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september 1999 preliminary ml6426 high bandwidth triple video filters with buffered outputs for rgb or yuv 1 general description the ml6426 are a family of triple video filters with buffered outputs. there are several versions of the ml6426, each with different passband cut-off frequencies of 6.7mhz, 12mhz, 24mhz, 30mhz, 36mhz, and 48mhz. each channel contains a 4 th -order butterworth lowpass reconstruction video filter. the filter is optimized for minimum overshoot and flat group delay and guaranteed differential gain and phase at the outputs of the integrated cable drivers. all input signals from dacs are ac coupled into the ml6426. all channels have dc restore circuitry to clamp the dc input levels during video h-sync, using an output feedback clamp. an external h-sync signal is required for this purpose. all outputs must be ac coupled into their loads. each output can drive 2v p-p into a 150 w load. all channels have a gain of 2 (6db) at 1v p-p input levels. features n 5v 10% operation n rgb/yuv filters for atsc digital television vesa standard n 2:1 mux inputs for multiple rgb/yuv inputs n triple reconstruction filter options for 6.7, 12, 24, 30, 36, and 48mhz to handle various line rates n multiple ml6426 outputs can be paralleled to drive rgb/yuv outputs at different frequencies for various line rates by means of disable/enable pin. n 6db drivers and sync tip clamps for dc restore n dc restore with minimal tilt n 0.4% differential gain on all channels 0.4o differential phase on all channels 0.8% total harmonic distortion on all channels n 2kv esd protection block diagram r in a/y in a 2 r in b/y in b b in a/v in a 8 b in b/v in b 9 a/ b mux g in a/u in a 6 g in /u in b 7 r out /y out 13 g out /u out 11 b out /v out 10 4th-order filter a 4th-order filter b 4th-order filter c mux mux mux 2 2 2 transconductance error amp transconductance error amp transconductance error amp 1 syncin 16 gndo 14 disable 15 v cco 12 v cc 4 gnd 3 5 + C + C + C 0.5v 0.5v 0.5v ml6426-1 ml6426-2 ml6426-3 ml6426-4 ml6426-5 ml6426-6 filter a 6.7mhz 12mhz 24mhz 30mhz 36mhz 48mhz filter b 6.7mhz 12mhz 24mhz 30mhz 36mhz 48mhz filter c 6.7mhz 12mhz 24mhz 30mhz 36mhz 48mhz
ml6426 2 november, 1999 pin configuration pin description pin name function 1a/ b mux logic input pin to select between bank and bank video inputs. this pin is internally pulled high. 2r in a/y in a unfiltered analog r- or y-channel input for bank . sync must be provided at sync in pin. 3 gnd analog ground 4v cc analog 5v supply 5r in b/y in b unfiltered analog r- or y-channel input for bank . sync must be provided at sync in pin. 6g in a/u in a unfiltered analog g- or u-channel input for bank . sync must be provided at sync in pin. 7g in b/u in b unfiltered analog g- or u-channel input for bank . sync must be provided at sync in pin. pin name function 8b in a/v in a unfiltered analog b- or v-channel input for bank . sync must be provided at sync in pin. 9b in b/v in b unfiltered analog b- or v-channel input for bank . sync must be provided at sync in pin. 10 b out analog b or v-channel output 11 g out analog g or u-channel output 12 v cco 5v power supply for output buffers 13 r out analog r or y-channel output 14 gndo analog ground 15 disable disable/enable pin. turns the chip off when logic high. internally pulled low. 16 sync in input for an external h-sync logic signal for filter channels. cmos level input. active high. ml6426 16-pin narrow soic (s16n) 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 top view a/ b mux r in a/y in a gnd v cc r in b/y in b g in a/u in a g in b/u in b b in a/v in a sync in disable gndo r out /y out v cco g out /u out b out /v out b in b/v in b
ml6426 3 november, 1999 absolute maximum ratings absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device operation is not implied. v cc ................................................................................ C0.3v to 7v junction temperature .............................................. 150c esd ..................................................................... >2000v analog and digital i/o ........... gnd C0.3v to v cc + 0.3v storage temperature range ..................... C65c to 150c lead temperature (soldering, 10 sec) ..................... 260c thermal resistance ( q ja ) .................................... 100c/w operating conditions temperature range ....................................... 0c to 70c v cc range ................................................... 4.5v to 5.5v electrical characteristics unless otherwise specified, v cc = 5v10%, t a = operating temperature range (note 1) symbol parameter conditions min typ max units general i cc supply current no load (v cc =5.5v) 52 80 ma a v low frequency gain (r, g, b) v in = 100mv p-p at 100khz 5.34 6.0 6.65 db v out output level during sync (r, g, b,) during sync 0.7 0.9 1.1 v output capability rl = 150w, ac-coupled@1mhz 2 vp-p t clamp clamp response time settled to within 10mv, c in = 0.1f 10 ms v i input signal dynamic range (r, g, b,) ac coupled 1.4 v p-p os peak overshoot (r, g, b,) 2v p-p output pulse 4.3 % c l output load capacitance (r, g, b,) all outputs 35 pf output load drive capability, per pin one load is 150 w 2 loads (yuv or rgb outputs) dg differential gain (r, g, b,) all outputs at f c /2 0.4 % d f differential phase (r, g, b,) all outputs at f c /2 0.4 o t hd output distortion (r, g, b,) v out = 2v p-p at 1 mhz 0.8 % psrr psrr (r, g, b,) 0.5v p-p (100khz) at v cc 35 db i sc output short circuit current (r, g, b,) note 2 120 ma v ih input voltage logic high disable, sync in 2.5 v v il input voltage logic low disable, sync in 1.0 v t mux input mux a/ b mux 2 s data valid pin valid time high or low 6.7mhz filter: ml6426-1 f 1db C1db bandwidth flatness (r, g, b,) 25oc 4.0 4.8 mhz f c C3db bandwidth flatness (r, g, b,) 25oc 6.0 6.7 7.3 mhz f 0.8fc 0.8 x f c attenuation 1.5 db f sb stopband rejection (all channels 3 4 f c )f in 3 4 f c , note 3 C38 C42 db noise output noise (r, g, b,) fullband 1.0 mv rms x talk crosstalk input of 0.5v p-p at 1 mhz C55 db between any two channels x talk a/ b mux crosstalk input of 0.5v p-p at 3.58/4.43mhz C54 db
ml6426 4 november, 1999 electrical characteristics (continued) symbol parameter conditions min typ max units 6.7mhz filter: ml6426-1 (continued) t pd group delay (r, g, b,) 100khz 70 ns d t pd group delay deviation from flatness to 3.58mhz 4.0 ns (r, g, b,) to 4.43mhz 8.0 ns to 10mhz 9 ns 2mhz filter: ml6426-2 f 1db C1db bandwidth flatness (r, g, b,) 25oc 7.8 9.2 mhz f c C3db bandwidth flatness (r, g, b,) 25oc 10.8 12 13.2 mhz f 0.8fc 0.8 x f c attenuation 1.2 db f sb stopband rejection (all channels 3 4 f c )f in 3 4 f c , note 3 C40 db noise output noise (r, g, b,) fullband 1 mv rms x talk crosstalk input of 0.5v p-p at 1 mhz C55 db between any two channels x talk a/ b mux crosstalk input of 0.5v p-p at 3.58/4.43mhz C54 db t pd group delay (r, g, b,) 100khz 40 ns d t pd group delay deviation from flatness to 3.58mhz 1 ns (r, g, b,) to 4.43mhz 1 ns to 10mhz 7 ns 24mhz filter: ml6426-3 f 1db C1db bandwidth flatness (r, g, b,) 25oc 13.6 16 mhz f c C3db bandwidth flatness (r, g, b,) 25oc 21.6 24 26.4 mhz f 0.8fc 0.8 x f c attenuation 1.7 db f sb stopband rejection (all channels 3 4 f c )f in 3 4 f c , note 3 C 40 db noise output noise (r, g, b,) fullband 1.0 mv rms x talk crosstalk input of 0.5v p-p at 1 mhz C55 db between any two channels x talk a/ b mux crosstalk input of 0.5v p-p at 3.58/4.43mhz -54 db t pd group delay (r, g, b,) 100khz 22 ns d t pd group delay deviation from flatness to 3.58mhz 1 ns (r, g, b,) to 4.43mhz 1 ns to 10mhz 2 ns 30mhz filter: ml6426-4 f 1db C1db bandwidth flatness (r, g, b,) 25oc 15.3 18 mhz f c C3db bandwidth flatness (r, g, b,) 25oc 27 30 33 mhz f 0.8fc 0.8 x f c attenuation 1.7 db f sb stopband rejection (all channels 3 4 f c )f in 3 4 f c , note 3 C40 db noise output noise (r, g, b,) fullband 1.0 mv rms
ml6426 5 november, 1999 note 1. limits are guaranteed by 100% testing, sampling, or correlation with worst case test conditions. note 2. sustained short circuit protection limited to 10 seconds. note 3. 38db is based on tester noise limits. electrical characteristics (continued) symbol parameter conditions min typ max units 30mhz filter: ml6426-4 (continued) x talk crosstalk input of 0.5v p-p at 1 mhz C55 db between any two channels x talk a/ b mux crosstalk input of 0.5v p-p at 3.58/4.43mhz -54 db t pd group delay (r, g, b,) 100khz 18 ns d t pd group delay deviation from flatness to 10mhz 0.5 ns (r, g, b,) to 27mhz 2 ns 36mhz filter: ml6426-5 f 1db C1db bandwidth flatness (r, g, b,) 25oc 17 20 mhz f c C3db bandwidth flatness (r, g, b,) 25oc 32.4 36 39.6 mhz f 0.8fc 0.8 x f c attenuation 2db f sb stopband rejection (all channels 3 4 f c )f in 3 4 f c , note 3 C40 db noise output noise (r, g, b,) fullband 1.0 mv rms x talk crosstalk input of 0.5v p-p at 1 mhz C55 db between any two channels x talk a/ b mux crosstalk input of 0.5v p-p at 3.58/4.43mhz C54 db t pd group delay (r, g, b,) 100khz 17 ns d t pd group delay deviation from flatness to 10mhz 0.5 ns (r, g, b,) to 30mhz 4 ns 48mhz filter: ml6426-6 f 1db C1db bandwidth flatness (r, g, b,) 25oc 25.5 30 mhz f c C3db bandwidth flatness (r, g, b,) 25oc 43.2 48 52.8 mhz f 0.8fc 0.8 x f c attenuation 1.2 db f sb stopband rejection (all channels 3 4 f c )f in 3 4 f c , note 3 C40 db noise output noise (r, g, b,) fullband 1.0 mv rms x talk crosstalk input of 0.5v p-p at 1 mhz C55 db between any two channels x talk a/ b mux crosstalk input of 0.5v p-p at 3.58/4.43mhz C54 db t pd group delay (r, g, b,) 100khz 16 ns d t pd group delay deviation from flatness to 10mhz 0.5 ns (r, g, b,) to 40mhz 2 ns
ml6426 6 november, 1999 functional description the ml6426 is a triple monolithic continuous time video filter designed for reconstructing video signals from an yuv/rgb video d/a source. the ml6426 is intended for use in ac coupled input and output applications. the filters approximate a 4th-order butterworth characteristic with an optimization toward low overshoot and flat group delay. all outputs are capable of driving 2v p-p into ac coupled 150 w video loads, with up to 35pf of load capacitance. all outputs are capable of driving a 75 w load at 1v p-p . all channels are clamped during sync to establish the appropriate output voltage swing range (dc restore). thus the input coupling capacitors do not behave according to the conventional rc time constant. in most applications, the ml6426's input coupling capacitors are only 0.1f. figure 1. typical application schematic an external cmos compatible h sync pulse is required which is active high on the sync in pin. see figure 2. during sync, the feedback clamp sources/sinks current to restore the dc level. the net result is that the average input current is zero. any change in the input coupling capacitors' value will linearly affect the clamp response times. each channel is essentially tilt-free. each input is clamped by a feedback amp which responds to the output during sync. the ml6426 is robust and stable under all stated load and input conditions. bypassing both v cc pins directly to ground ensures this performance. r i n 5 v 5 v r g 0 . 1 f 2 2 0 f 7 5 w g i n 0 . 1 f 2 2 0 f 7 5 w b 2 2 0 f 7 5 w b i n s y n c i n 0 . 1 f r i n a / y i n a 2 r i n b / y i n b b i n a / v i n a 8 b i n b / v i n b 9 a / b m u x g i n a / u i n a 6 g i n b / u i n b 7 r o u t / y o u t 1 3 g o u t / u o u t 1 1 b o u t / v o u t 1 0 4 t h - o r d e r f i l t e r a 4 t h - o r d e r f i l t e r b 4 t h - o r d e r f i l t e r c m u x m u x m u x 2 2 2 t r a n s c o n d u c t a n c e e r r o r a m p t r a n s c o n d u c t a n c e e r r o r a m p t r a n s c o n d u c t a n c e e r r o r a m p 1 s y n c i n 1 6 g n d o 1 4 d i s a b l e 1 5 v c c o 1 2 v c c 4 g n d 3 5 + C + C + C 0 . 5 v 0 . 5 v 0 . 5 v a c t i v e h i g h figure 2. sync in pulse width v il = 1.0v 50% x v sync in v ih = 2.5v pw min = 2s
ml6426 7 november, 1999 standard pixels vertical lines picture transmission rate (note 2) display refresh rate (note 2) approximate sample clock approximate horizontal rate approximate reconstruction filter cutoff micro linear filter to use (note 3) smpte 1920 1080 60i 60hz 35.3khz 81mhz 40.5mhz ml6426-6 274m 1920 1080 30p, 24p 60hz 70.6khz 162mhz 81mhz n/a smpte 1280 720 60p, 30p, 60hz 47.1khz 60mhz 30mhz ml6426-5 24p ml6426-4 704 480 (note 1) 60i 60hz 15.7khz 13.5mhz 6.75mhz ml6426-1 704 480 60p, 30p, 60hz 31khz 27mhz 13.5mhz ml6426-2 24p ml6426-4 640 480 (note 1) 60i 60hz 15.7khz 24.5mhz 12mhz ml6426-2 640 480 60p, 30p, 60hz 31khz 12.27mhz 6mhz ml6426-1 24p p=progressive scan, i=interlaced scan, na = not available note 1: ntsc display rates, can be fed directly into ntsc encoder (set top box) note 2: 60 hz also includes 59.94hz note 3: custom frequencies ranging 3 to 6mhz can be special cut to order table 2: choosing the correct reconstruction filter and video amplifier for tv applications, ml6426 options typical applications reconstruction filter selection for hdtv and vga signal filtering the filtering requirements for hdtv and vga standards vary depending on the resolution of the image to be displayed, and its refresh rate. the actual refresh rate of the display is not necessarily the same as the transmission rate of the frames of images. some formats use a frame rate of 30hz, but the display of those formats cannot be scanned onto the crt at 30hz. excessive large area flicker would result. such kinds of flicker can be seen on a pal display with its brightness set high. to avoid this, the video will need to be stored in a frame buffer. this buffer already exists in the mpeg decoder of hdtv systems, so there is no cost penalty. the buffer is read out at twice the rate as the frame rate for 30hz systems, thus getting us a refresh rate of 60hz. similar things are done for the 24hz frame rate formats to boost them to a 60hz refresh rate. pixels vertical lines aspect ratio picture transmission rate 1920 1080 16:9 60i, 30p, 24p 1280 720 16:9 60p, 30p, 24p 704 480 16:9 and 4:3 60p, 60i, 30p,24p 640 480 4:3 60p, 60i, 30p,24p p=progressive scan, i=interlaced scan table 1: hdtv / advanced tv applications: (from table 10.3 from atsc document a54)
ml6426 8 november, 1999 typical applications (continued) pixel clock rates for the output d/a converters can be roughly determined from the table 1. dont forget that the deflection system of a crt display needs retrace time for the vertical and horizontal. this retrace time can vary from one design of an hdtv set to another, as it only involves tradeoffs between the frame buffer in the mpeg decoder and the crt deflection system. allowing for 10% retrace time for the vertical and 20% for the horizontal, the appropriate reconstruction filter is summarized in table 2. for vga or rgb monitors, the following resolutions can use the corresponding reconstruction filter and video amplifier as shown in table 3. figures 4, 5, and 6 show system diagrams when the ml6426 provides a good solution. figure 7 provides a more detailed description for advanced tv applications using various resolutions for legacy video, sdtv, and hdtv. 640 480 vga 60hz 31.5khz 25.175mhz 12.5mhz ml6426-2 vga 72hz 37.9khz 31.5mhz 15.5mhz ml6426-3 vga 75hz 37.5khz 31.5mhz 15.5mhz ml6426-3 800 600 svga 56hz 35.1khz 36mhz 18mhz ml6426-3 svga 60hz 37.9khz 40mhz 20mhz ml6426-3 svga 72hz 48.1khz 50mhz 25mhz ml6426-3 svga 75hz 46.9khz 49.5mhz 25mhz ml6426-3 1024 768 xga 43hz 35.5khz 44.9mhz 23mhz ml6426-3 interlaced xga 60hz 37.9khz 65mhz 33mhz ml6426-5 xga 70hz 56.5khz 75mhz 37.5mhz ml6426-5 xga 75hz 60khz 78.75mhz 39.4mhz ml6426-6 1280 1024 sxga 75hz 80khz 135mhz 68mhz na sxga 60hz 113mhz 57mhz na 1600 1200 uxga 60hz 166mhz 83mhz na n/a = not available table 3: choosing the correct reconstruction filter and video amplifier for tv applications, ml6426 options vertical lines pixels name refresh rate (prog except noted) horizontal rate reconstruction filter cutoff sample clock micro linear filter to use using the ml6426 in multiple resolutions several ml6426 devices can be used in parallel to construct a selectable filter selection block ranging from frequencies between 6.7 mhz to 50mhz. each ml6426 can be individually controlled via the disable pin. in a parallel configuration, as shown in figure 3 and 7, several ml6426 devices can be used and selected via general purpose i/o or other logic to perform the proper reconstruction filtering for the resolution of choice. this configuration allows for a minimum of bill of materials and reduces cost. micro linears ml6426 eval kit demonstrates multi-resolution designs. furthermore, since the ml6426 pin-out is identical for all the options, the filters can be interchanged. this allows for ease of product migration to integrate newer resolutions to filter and drive various dac outputs at different sampling frequencies.
ml6426 9 november, 1999 figure 3. atsc digital television application y in /r in u in /g in 5v 13 11 10 12 4 14 3 v in /b in 15 2 5 6 7 8 9 16 1 13 11 10 12 4 14 3 15 2 5 6 7 8 9 16 1 13 11 10 12 4 14 3 15 2 5 6 7 8 9 16 1 sync in select logic general purpose i/o disable/enable lines 220f 75 w 220f 75 w 220f 75 w r/y g/u b/v 0.1f 0.1f 0.1f ml6426-1 6.7mhz ml6426-5 36mhz ml6426-2 12mhz
ml6426 10 november, 1999 figure 4. digital tv receiver or hdtv decoder box figure 5. pc graphics/frame grabber editing card figure 6. pc mri, xray, ultrasound, ct scan from sat or cable ml6426 u v y d/a hdtv decoder and display processor graphic processor mpeg2 transport and decoder digital tv from camera vcr from dvd-rom or memory ycrcb digital cv s-video analog ml6426 u v y d/a rgb video decoder and display processor video encoder rgb monitor mri, xray, ultrasound, ct scan digital yuv analog ml6426 u v y medical imaging d/a dsp
ml6426 11 november, 1999 figure 7. typical applications schematic r in a r in b gna gnb b in a b in b a/ b mux sync in c 29 c 30 c 31 c 32 c 33 c 34 2 5 6 7 8 9 1 16 13 11 10 0.1f 0.1f 0.1f 0.1f 0.1f 0.1f r out g out b out u3 ml6426-4 disable gndo gnd v cco v cc 15 14 3 12 4 c6 1f c14 0.1f c13 0.1f c5 1f r3 47k w r in a r in b gna gnb b in a b in b a/ b mux sync in c 23 c 24 c 25 c 26 c 27 c 28 2 5 6 7 8 9 1 16 13 11 10 0.1f 0.1f 0.1f 0.1f 0.1f 0.1f r out g out b out u2 ml6426-3 disable gndo gnd v cco v cc 15 14 3 12 4 c4 1f c12 0.1f hysync in sw2 c11 0.1f c3 1f r2 47k w r10 75 w 0 1 r in a r in b c 17 c 18 2 5 13 11 10 0.1f 0.1f c 19 c 20 6 7 0.1f 0.1f c 21 c 22 8 9 1 16 0.1f 0.1f r out r11 75 w r12 75 w r13 75 w r out/ y out u1 ml6426-1 disable gndo gnd 15 14 3 r1 47k w r in a r in b gna gnb b in a b in b a/ b mux sync in c 35 c 36 c 37 c 38 c 39 c 40 2 5 6 7 8 9 1 16 13 11 10 0.1f 0.1f 0.1f 0.1f 0.1f 0.1f r out g out b out ux ml6426-x disable gndo gnd v cco v cc 15 14 3 12 4 c8 1f c16 0.1f c15 0.1f c7 1f r4 47k w b in b/v in b 4th order filter g in a g in b g out 4th order filter b in a b in b b out 4th order filter sync in a/ b mux v cco v cc 12 4 c2 1f c10 0.1f c9 0.1f c1 1f fb2 5v gnd gnd fb1 c 41 220f g out/ u out c 42 220f b out/ v out c 43 220f 2 3 4 1 3 5 7 2 jp1 swi 4 6 8 r9 75 w b in a/v in a r8 75 w g in b/u in b r7 75 w g in a/u in a r6 75 w r in b/y in b r5 75 w r in a/y in a
ml6426 12 november, 1999 figure 8. passband flatness all outputs (normalized) 6.7 mhz, ml6426cs-1 figure 9. passband flatness all outputs (normalized) 12mhz, ML6426CS-2 figure 10. passband flatness all outputs (normalized) 24 mhz, ml6426cs-3 figure 12. passband flatness all outputs (normalized) 36mhz, ml6426cs-5 figure 13. passband flatness all outputs (normalized) 48mhz, ml6426cs-6 figure 11. passband flatness all outputs (normalized) 30 mhz, ml6426cs-4 performance data 10 0 C10 C20 C30 C40 C50 C60 C70 amplitude (db) frequency (mhz) 0.01 1 100 0.1 10 amplitude (db) frequency (mhz) 100k 1m 10m 100m 10 0 C10 C20 C30 C40 C50 C60 C70 amplitude (db) frequency (mhz) 1m 10m 100m 10 0 C10 C20 C30 C40 C50 C60 C70 amplitude (db) frequency (mhz) 1m 10m 100m 10 0 C10 C20 C30 C40 C50 C60 C70 10 0 C10 C20 C30 C40 C50 C60 C70 amplitude (db) frequency (hz) 100k 1m 10m 100m 1g 10 0 C10 C20 C30 C40 C50 C60 C70 amplitude (db) frequency (hz) 10k 100k 1m 10m 100m 1g
ml6426 13 november, 1999 figure 14. frequency response all outputs ml6426-cs-1 figure 15. group delay deviation of passband, all outputs ml6426cs-1 figure 16. group delay deviation all band, all outputs ml6426cs-1 figure 17. frequency response all outputs ML6426CS-2 figure 18. group delay deviation of passband, all outputs ML6426CS-2 figure 19. group delay deviation all band, all outputs ML6426CS-2 12 10 8 6 4 2 0 C2 C4 C6 C8 group delay deviation (ns) frequency (mhz) 04080 100 20 60 30 70 90 10 50 14 12 10 8 6 4 2 0 C2 C4 C6 group delay deviation (ns) frequency (mhz) 04080 100 20 60 30 70 90 10 50 10 8 6 4 2 0 C2 C4 C6 C8 C10 group delay deviation (ns) frequency (mhz) 048 10 26 379 15 12 10 8 6 4 2 0 C2 C4 C6 C8 group delay deviation (ns) frequency (mhz) 0 2.8 5.6 7.0 1.4 4.2 2.1 4.9 6.3 0.7 3.5 0 C10 C20 C30 C40 C50 C60 C70 C80 C90 C100 amplitude (db) frequency (mhz) 04080 100 20 60 30 70 90 10 50 0 C10 C20 C30 C40 C50 C60 C70 C80 C90 C100 amplitude (db) frequency (mhz) 04080 100 20 60 30 70 90 10 50 performance data (continuied)
ml6426 14 november, 1999 figure 20. frequency response all outputs ml6426cs-3 figure 21. group delay deviation of passband, all outputs ml6426cs-3 figure 22. group delay dviation all band, all outputs ml6426cs-3 figure 23. frequency response all outputs ml6426cs-4 figure 24. group delay deviation of passband, all outputs ml6426cs-4 figure 25. group delay deviation all band, all outputs ml6426cs-4 performance data (continuied) 0 C10 C20 C30 C40 C50 C60 C70 C80 C90 C100 amplitude (db) frequency (mhz) 04080 100 20 60 30 70 90 10 50 10 8 6 4 2 0 C2 C4 C6 C8 C10 group delay deviation (ns) frequency (mhz) 01020 25 515 7.5 17.5 22.5 2.5 12.5 12 10 8 6 4 2 0 C2 C4 C6 C8 group delay deviation (ns) frequency (mhz) 04080 100 20 60 30 70 90 10 50 0 C10 C20 C30 C40 C50 C60 C70 C80 C90 C100 amplitude (db) frequency (mhz) 04080 100 20 60 30 70 90 10 50 10 8 6 4 2 0 C2 C4 C6 C8 C10 group delay deviation (ns) frequency (mhz) 01632 40 824 12 28 36 420 6 4 2 0 C2 C4 C6 C8 C10 C12 C14 group delay deviation (ns) frequency (mhz) 04080 100 20 60 30 70 90 10 50
ml6426 15 november, 1999 figure 26. frequency response all outputs ml6426-cs-5 figure 27. group delay deviation of passand, all outputs ml6426cs-5 figure 28. group delay deviation all band, all outputs ml6426cs-5 figure 29. frequency response all outputs ml6426cs-6 figure 30. group delay deviation of passand, all outputs ml6426cs-6 figure 31. group delay deviation all band, all outputs ml6426cs-6 performance data (continuied) 0 C10 C20 C30 C40 C50 C60 C70 C80 C90 C100 amplitude (db) frequency (mhz) 04080 100 20 60 30 70 90 10 50 0 C10 C20 C30 C40 C50 C60 C70 C80 C90 C100 amplitude (db) frequency (mhz) 04896 120 24 72 36 84 108 12 60 12 10 8 6 4 2 0 C2 C4 C6 C8 group delay deviation (ns) frequency (mhz) 02040 50 10 30 15 35 45 525 10 8 6 4 2 0 C2 C4 C6 C8 C10 group delay deviation (ns) frequency (mhz) 02040 50 10 30 15 35 45 525 12 10 8 6 4 2 0 C2 C4 C6 C8 group delay deviation (ns) frequency (mhz) 04080 100 20 60 30 70 90 10 50 10 8 6 4 2 0 C2 C4 C6 C8 C10 group delay deviation (ns) frequency (mhz) 04080 100 20 60 30 70 90 10 50
ml6426 16 november, 1999 physical dimensions seating plane 0.148 - 0.158 (3.76 - 4.01) pin 1 id 0.228 - 0.244 (5.79 - 6.20) 0.386 - 0.396 (9.80 - 10.06) 0.012 - 0.020 (0.30 - 0.51) 0.050 bsc (1.27 bsc) 0.015 - 0.035 (0.38 - 0.89) 0.059 - 0.069 (1.49 - 1.75) 0.004 - 0.010 (0.10 - 0.26) 0.055 - 0.061 (1.40 - 1.55) 16 0.006 - 0.010 (0.15 - 0.26) 0o - 8o 1 0.017 - 0.027 (0.43 - 0.69) (4 places) package: s16n 16-pin narrow soic
ml6426 17 november, 1999 ordering information part number cut-off frequency temperature range package ml6426cs-1 6.7mhz 0c to 70c 16-pin narrow soic (s16n) ML6426CS-2 12mhz 0c to 70c 16-pin narrow soic (s16n) ml6426cs-3 24mhz 0c to 70c 16-pin narrow soic (s16n) ml6426cs-4 30mhz 0c to 70c 16-pin narrow soic (s16n) ml6426cs-5 36mhz 0c to 70c 16-pin narrow soic (s16n) ml6426cs-6 48mhz 0c to 70c 16-pin narrow soic (s16n) ml6426cs-15 15mhz 0c to 70c 16-pin narrow soic (s16n) ? micro linear 2000. is a registered trademark of micro linear corporation. all other trademarks are the property of their respective owners. products described herein may be covered by one or more of the following u.s. patents: 4,897,611; 4,964,026; 5,027,116; 5,281,862; 5,283,483; 5,418,502; 5,508,570; 5,510,727; 5,523,940; 5,546,017; 5,559,470; 5,565,761; 5,592,128; 5,594,376; 5,652,479; 5,661,427; 5,663,874; 5,672,959; 5,689,167; 5,714,897; 5,717,798; 5,742,151; 5,747,977; 5,754,012; 5,757,174; 5,767,653; 5,777,514; 5,793,168; 5,798,635; 5,804,950; 5,808,455; 5,811,999; 5,818,207; 5,818,669; 5,825,165; 5,825,223; 5,838,723; 5.844,378; 5,844,941. japan: 2,598,946; 2,619,299; 2,704,176; 2,821,714. other patents are pending. micro linear makes no representations or warranties with respect to the accuracy, utility, or completeness of the contents of this publication and reserves the right to make changes to specifications and product descriptions at any time without notice. no license, express or implied, by estoppel or otherwise, to any patents or other intellectual property rights is gran ted by this document. the circuits contained in this document are offered as possible applications only. particular uses or applications may invalidate some of the specifications and/or product descriptions contained herein. the customer is urged to perform its own engineering review before deciding on a particular application. micro linear assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of micro linear products including liability or warranties relating to merchantability, fitness for a particular purpose, or infringement of any intellectual prop erty right. micro linear products are not designed for use in medical, life saving, or life sustaining applications. micro linear corporation 2092 concourse drive san jose, ca 95131 tel: (408) 433-5200 fax: (408) 432-0295 www.microlinear.com ds6426-01

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