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| BACK LR38585 LR38585 DESCRIPTION Single-chip Driver IC for 270 k/320 k-pixel B/W CCDs with Dual-power-supply Operation PIN CONNECTIONS 48-PIN QFP TOP VIEW The LR38585 is a CMOS single-chip driver IC which generates timing pulses for driving 270 k/320 kpixel B/W CCD area sensors with a dual-powersupply operation, synchronous pulses for TV signals and processing pulses for video signals. 48 47 46 45 44 43 42 41 40 39 38 37 TST1 1 EEST 2 WIND 3 TVMD 4 SMAX 5 TST2 6 GND 7 VDD 8 CSYN 9 CBLK 10 OBCP 11 VD 12 13 14 15 16 17 18 19 20 21 22 23 24 LLIN VD2I VRI V1 V2 V3 V4 TST3 GND VTG VDD12 OFD 36 EENR 35 EEUD 34 EEMD 33 FLMD 32 RCIO 31 GND 30 VDD 29 ACLX 28 POUT 27 TST4 26 OSCO 25 OSCI FEATURES * Designed for 1/3-type 270 k/320 k-pixel B/W CCD area sensors with a dual-power-supply operation * Switchable between EIA and CCIR modes * Electronic shutter and EE control are possible * Maximum shutter speed is selectable from approx. 1/100 000 s, 1/50 000 s and 1/30 000 s * Starting shutter speed is selectable from approx. 1/100 000 s and 1/1 000 s * Flicker-less function * Switchable between normal and mirror images * External synchronization is possible * Level shifter for readout and shutter pulses included * Dual +5 V and +12 V power supplies * Package : 48-pin QFP (P-QFP048-0707) 0.5 mm pin-pitch In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device. 1 GND STSL FH1B FH1 VDD FH2 FH2B FR MIR FCDS FS HD (P-QFP048-0707) LR38585 BLOCK DIAGRAM OSCO EEMD POUT EENR EEUD FLMD ACLX RCIO OSCI 25 TST4 27 GND VDD 30 36 35 34 33 32 31 29 28 26 HD 37 MIX LEVEL SHIFTER OSC 24 OFD FS 38 23 VDD12 FCDS 39 H/L JUDGE MIR 40 SHUTTER UP/DOWN CONTROL SHUTTER SPEED CONTROL LEVEL SHIFTER 22 VTG 21 GND FR 41 MIX 1/2 20 TST3 FH2B 42 19 V4 FH2 43 1/4 VDD 44 FH1 45 RESET FH1B 46 STSL 47 GND 48 1/2 H COUNTER 1 V COUNTER PHASE COMPARATOR DECODER RCIO POUT H COUNTER 2 DECODER 18 V3 17 V2 16 V1 15 VRI 14 VD2I 13 LLIN 1 TST1 2 EEST 3 WIND 4 TVMD 5 SMAX 6 TST2 7 GND 8 VDD 9 CSYN 10 CBLK 11 OBCP 12 VD 2 LR38585 PIN DESCRIPTION PIN NO. SYMBOL IO SYMBOL POLARITY PIN NAME ICD - Test pin 1 1 TST1 Electronic exposure control input 1 DESCRIPTION A test pin. Set open or to L level in normal mode. An input pin to control electronic exposure using EEUD (pin 35) and EENR (pin 36). L level H level or open FLMD EEMD L L H L H L H H : Electronic exposure is stopped. : Electronic exposure is operated. WIND WIND1 (vertical pulse) WIND2 (composite pulse) 2 EEST ICU - An output pin for window pulse. ON 3 WIND () N-ch Open Drain ICU - Window pulse output WIND1 : When connected to EEST (pin 2), the operation of electronic exposure can be stopped at the upper side of monitor. WIND2 : A pulse that picks out the center of the CCD output. At this time, set H level or open at EEST (pin 2). As the output circuit of WIND is N-ch open drain, connected to VDD with R ( 47 k$). An input pin to select TV standards. L level : EIA mode H level or open : CCIR mode An input pin to control maximum and initial shutter speed with STSL (pin 40). SMAX STSL Maximum Speed H H 1/ 30 000 s L H L H L L 1/ 49 000 s 1/100 000 s 1/100 000 s Initial Speed 1/ 1 000 s 1/ 1/ 1 000 s 1 000 s 4 TVMD TV mode selection input 5 SMAX ICU - Shutter speed control input 1 1/100 000 s 6 7 8 9 TST2 GND VDD CSYN ICD - - O - - - Test pin 2 Ground Power supply Composite synchronizing pulse output Composite blanking pulse output Optical black clamp pulse output A test pin. Set open or to L level in normal mode. A grounding pin. Supply of +5 V power. An output pin of composite synchronous signal pulse. 10 CBLK O An output pin of composite blanking pulse. A pulse to clamp the optical black signal. This pulse stays low during the absence of effective pixels within the vertical blanking. 11 OBCP O 3 LR38585 PIN NO. SYMBOL IO SYMBOL POLARITY 12 VD O PIN NAME Vertical drive pulse output DESCRIPTION The pulse occurs at the start of every field. An input pin for line-lock pulse. The priority is lower than VD2I (pin 14). 13 LLIN ICSU - Line-lock pulse input The inner mono-multivibrator is operated by the fallingedge of LLIN. The width of mono-multivibrator output is determined by R and C which are connected with RCIO (pin 32). 14 15 16 17 18 19 20 21 22 23 24 VD2I VRI V1 V2 V3 V4 TST3 GND VTG VDD12 OFD ICSU ICSU O4MA2 O4MA2 O4MA2 O4MA2 ICD - O12MHV - O12MHV - - - - - External VD pulse input Vertical reset input Vertical transfer pulse output 1 Vertical transfer pulse output 2 Vertical transfer pulse output 3 Vertical transfer pulse output 4 Test pin 3 Ground Readout pulse output Power supply OFD pulse output An input pin for external VD pulse. The priority is higher than LLIN (pin 13). An input pin for resetting internal vertical counter. The input pulse is VSYNC (negative polarity). A pulse to drive vertical CCD shift register. Connect to OV1 pin of the CCD. A pulse to drive vertical CCD shift register. Connect to OV2 pin of the CCD. A pulse to drive vertical CCD shift register. Connect to OV3 pin of the CCD. A pulse to drive vertical CCD shift register. Connect to OV4 pin of the CCD. A test pin. Set open or to L level in normal mode. A grounding pin. A pulse that transfers the charge of the photo-diode to the vertical shift register. Connect to the VTG pin of the CCD. Supply of +12.5 V power. A pulse that sweeps the charge of the photo-diode for electronic shutter. Connect to OFD of the CCD. Held at L level in normal mode. An input pin for reference clock oscillation. Connect to OSCO (pin 26) with R. The frequencies are as follows : 25 OSCI OSCI - Clock input TVMD L H Frequency 19.0699 MHz (1 212 fH) 19.3125 MHz (1 236 fH) fH = Horizontal frequency 26 27 OSCO TST4 OSC3M ICD - - Clock output Test pin 4 An output pin for reference clock oscillation. The output is the inverse of OSCI (pin 25). A test pin. Set open or to L level in normal mode. 4 LR38585 PIN NO. SYMBOL IO SYMBOL POLARITY PIN NAME DESCRIPTION An output pin of phase comparator. The pulse is generated by comparing the phase of the inner VSYNC Phase comparator output pulse with mono-multivibrator output which is made from the falling edge of LLIN (pin 13) adjusted by mono-multivibrator or with the falling edge of VD2I (pin 14). Advanced H level Delayed Same L level High-impedance 28 POUT TO6M - 29 30 31 ACLX VDD GND ICU - - - - - All clear input Power supply Ground An input pin for resetting all internal circuits at power-on. Connect VDD through the diode and GND through the capacitor. Supply of +5 V power. A grounding pin. The pin for determining the width of the mono-multipulse to use LLIN (Line-locked circuit). To be connected R to VDD, and C to GND. To be connected R (= 100 k$) to VDD for input protection, when no use LLIN (Line-locked). An input pin to control electronic exposure mode, flickerless mode and WIND (pin 3) pulse output. FLMD EEMD Electronic Shutter Mode WIND 32 RCIO IO0 - Pulse width control output/input 33 FLMD ICU - Electronic exposure and WIND pulse control input 1 L H L H L L H H EIA : 1/60 s, CCIR : 1/50 s WIND1 EIA : 1/100 s, CCIR : 1/120 s WIND1 E/E operation E/E operation WIND1 WIND2 WIND1 : Vertical pulse WIND2 : Composite pulse (vertical and horizontal) Electronic exposure 34 EEMD ICU - and WIND pulse control input 2 Electronic exposure control input 2 Electronic exposure control input 3 Horizontal drive pulse output CDS pulse output 1 CDS pulse output 2 An input pin to control electronic exposure mode, flickerless mode and WIND (pin 3) pulse output, used with FLMD (pin 33). An input pin to control electronic exposure. EEUD EENR H L H L H H Shutter Speed up control stopped down 35 EEUD IC - 36 EENR IC - 37 38 39 HD FS FCDS O O4MA2 O4MA2 The pulse occurs at the start of every line. A pulse to sample-hold the signal for the CCD. A pulse to clamp the feed-through level for the CCD. 5 LR38585 PIN NO. SYMBOL IO SYMBOL POLARITY PIN NAME DESCRIPTION An input pin to select mirror image mode or normal image mode. 40 MIR ICU - Mirror mode selection input L level H level or open MIR FH1B FH2B 41 42 43 44 45 46 FR FH2B FH2 VDD FH1 FH1B O4MA3 O4MA2 O4MA3 - O4MA3 O4MA2 - Reset pulse output Horizontal transfer pulse output 2B Horizontal transfer pulse output 2 Power supply Horizontal transfer pulse output 1 Horizontal transfer pulse output 1B : Normal image mode : Mirror image mode FH1 FH2 H or open (Mirror mode) FH2 FH1 L (Normal mode) A pulse to reset the charge of output circuit. Connect to OR pin of the CCD through the DC offset circuit. A pulse to drive horizontal CCD shift register. Connect to OH2B pin of the CCD. A pulse to drive horizontal CCD shift register. Connect to OH2 pin of the CCD. Supply of +5 V power. A pulse to drive horizontal CCD shift register. Connect to OH1 pin of the CCD. A pulse to drive horizontal CCD shift register. Connect to OH1B pin of the CCD. An input pin to control maximum and initial shutter speed with SMAX (pin 37). 47 STSL ICU - Shutter speed control input 2 SMAX STSL Maximum Speed H H 1/ 30 000 s L H 1/ 49 000 s H L L L 1/100 000 s 1/100 000 s Initial Speed 1/ 1 000 s 1/ 1 000 s 1/ 1 000 s 1/100 000 s 48 GND - - Ground A grounding pin. NOTE : How to use ACLX pin (pin 29). And how to use RCIO pin (pin 32), when the LLIN pin (Line-locked) is not used. VDD (5 V) 100 k$ RCIO pin 32 ACLX pin 29 0.1 F VDD (5 V) IC ICU ICD ICSU IO0 O Input pin (CMOS level) Input pin (CMOS level with pull-up resistor) Input pin (CMOS level with pull-down resistor) Input pin (CMOS schmitt-trigger level with pull-up resistor) : Input and output pin (CMOS level input and output) : Output pin (VDD = 5 V) : : : : O4MA2 O4MA3 O12MHV ON TO6M OSCI OSC3M : : : : : : : Output pin (VDD = 5 V) Output pin (VDD = 5 V) Output pin (VDD12 = 12.5 V) Output pin (N-ch open drain) Tristate output pin Input pin for oscillation Output pin for oscillation 6 LR38585 SUPPLEMENTARY EXPLANATION Shutter speed changes at electronic exposure control mode. EIA No. 0 1 * 9 10 * 15 16 17 * 24 25 26 * 36 37 38 * 55 56 * 99 100 * 105 106 * 230 231 * 244 245 * 255 256 Charge Time 262H or 263H 259H + (by 7H step) 203H + 198H + (by 5H step) 173H + 168H + 164H + (by 4H step) 136H + 132H + 129H + (by 3H step) 99H + 96H + 94H + (by 2H step) 60H + 59H + (by 1H step) 16H + 15H + (by 1H step) 10H + t106n t230n t231n t244n t245n t255n t256n = 0.360H Shutter Speed 1/ 60 s 1/ 61 s 1/ 1/ 1/ 1/ 1/ 1/ 1/ 1/ 1/ 1/ 1/ 1/ 1/ 1/ 1/ 1/ 1/ 77 s 79 s 91 s 93 s 96 s 115 s 119 s 122 s 158 s 163 s 167 s 261 s 265 s 960 s 1 020 s 1 520 s 1 540 s 1.7 to 9.6% Ratio 2.8 to 3.4% 2.5 to 3.0% 2.4 to 3.0% No. 0 1 * 6 7 * 14 15 * 21 22 * 30 31 * 42 43 * 60 61 * 104 105 * 110 111 * 237 238 * 251 252 * 262 263 CCIR Charge Time 312H or 313H 309H + (by 10H step) 259H + 252H + (by 7H step) 203H + 198H + (by 5H step) 168H + 164H + (by 4H step) 132H + 129H + (by 3H step) 96H + 94H + (by 2H step) 60H + 59H + (by 1H step) 16H + 15H + (by 1H step) 10H + t111n t237n t238n t251n t252n t262n t263n = 0.353H Shutter Speed 1/ 50 s 1/ 51 s 1/ 1/ 1/ 1/ 1/ 1/ 1/ 1/ 1/ 1/ 1/ 1/ 1/ 1/ 1/ 1/ 60 s 62 s 77 s 79 s 93 s 95 s 118 s 121 s 162 s 166 s 259 s 263 s 955 s 1 020 s 1 510 s 1 530 s Ratio 3.3 to 3.9% 2.8 to 3.4% 2.5 to 3.0% 2.4 to 3.0% 2.3 to 3.1% 2.1 to 3.3% 2.3 to 3.1% 2.1 to 3.3% 1.7 to 9.6% 1.6 to 5% 2.9 to 4.6% 5 to 1.6 to 5% 2.9 to 4.6% 5 to 1/ 29 000 s 1/ 29 800 s 1/ 47 000 s 1/ 49 150 s 1/ 91 680 s 1/100 370 s 1/ 29 100 s 1/ 29 900 s 1/ 46 900 s 1/ 49 020 s 1/ 90 250 s 1/ 98 600 s 9% 9% Select maximum shutter speed and initial shutter speed. SMAX STSL MAXIMUM SHUTTER SPEED (s) Pin 5 Pin 47 Step EIA Step CCIR H H 231 1/ 29 800 238 1/ 29 900 L H 245 1/ 49 150 252 1/ 49 020 H L 256 1/100 370 263 1/ 98 600 L L 256 1/100 370 263 1/ 98 600 Step 100 100 100 256 INITIAL SHUTTER SPEED (s) EIA Step CCIR 1/ 1 020 105 1/ 1 020 1/ 1 020 105 1/ 1 020 1/ 1 020 105 1/ 1 020 1/100 370 263 1/ 98 600 7 LR38585 ABSOLUTE MAXIMUM RATINGS PARAMETER Supply voltage Input voltage Output voltage Operating temperature Storage temperature SYMBOL VDD VDD12 VI VO VO12 TOPR TSTG RATING -0.3 to +6.0 -0.3 to +15.0 -0.3 to VDD + 0.3 -0.3 to VDD + 0.3 -0.3 to VDD12 + 0.3 -20 to +70 -55 to +150 UNIT V V V V V C C ELECTRICAL CHARACTERISTICS DC Characteristics PARAMETER Input "Low" voltage Input "High" voltage Input "Low" voltage Input "High" voltage Hysteresis voltage Input "Low" current Input "High" current Input "Low" current Input "High" current Input "Low" current Input "High" current Output "Low" voltage Output "High" voltage Output "Low" voltage Output "High" voltage Output "Low" voltage Output "High" voltage Output "Low" voltage Output "High" voltage Output "Low" voltage Output "High" voltage Output "Low" voltage Output "Low" voltage Output "High" voltage Output leakage current SYMBOL VIL VIH VT+ VT- VT+ - VT- |IIL1| |IIH1| |IIL2| |IIH2| |IIL3| |IIH3| VOL1 VOH1 VOL2 VOH2 VOL3 VOH3 VOL4 VOH4 VOL5 VOH5 VOL6 VOL7 VOH7 |IOZ| (VDD = 5.00.5 V, VDD12 = 12.50.5 V, TOPR = -20 to +70C) CONDITIONS MIN. 3.5 3.7 1.0 0.2 VI = 0 V VI = VDD VI = 0 V VI = VDD VI = 0 V VI = VDD IOL = 4 mA IOH = -2 mA IOL = 3 mA IOH = -3 mA IOL = 8 mA IOH = -6 mA IOL = 12 mA IOH = -9 mA IOL = 12 mA IOH = -12 mA IOL = 4 mA IOL = 6 mA IOH = -3 mA High-Z 8. 9. 10. 11. 12. Applied Applied Applied Applied Applied to to to to to TYP. MAX. 1.5 8.0 8.0 2.0 2.0 2.0 60 60 2.0 0.4 0.4 4.0 4.0 0.4 4.0 0.4 4.0 0.5 11.5 0.4 0.4 4.0 1.0 output output output output output (O4MA2). (O4MA3). (O12MHV). (ON). (TO6M). UNIT V V V V V A A A A A A V V V V V V V V V V V V V A NOTE 1 2 3 4 5 6 7 8 9 10 11 12 11, 12 NOTES : 1. 2. 3. 4. 5. 6. 7. Applied to inputs (IC, ICD, ICSU, OSCI). Applied to input (ICSU). Applied to inputs (IC, OSCI, IO0). Applied to input (ICD). Applied to inputs (ICU, ICSU). Applied to output (O, IO0). Applied to output (OSC3M). (Output (OSC3M) measures on condition that input (OSCI) level is 0 V or VDD). 8 LR38585 PACKAGE OUTLINES 48 QFP (P-QFP048-0707) (Unit : mm) P-0.5TYP. 36 M 37 0.08 48-0.20.08 (1.0) 25 24 7.00.2 9.00.3 0.150.05 See Detail A (1.0) 48 1 (1.0) 13 12 (1.0) 0.10 Detail A 0.650.2 1.450.2 Package base plane 0.10.1 1.00.15 0.650.2 1.450.2 7.00.2 9.00.3 0-10 0.5 0.60.15 0.10.1 0.25 Seating plane 9 |
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