SGM4865 2.6w stereo audio power amplifier general description the SGM4865 is a stereo audio power amplifier that is designed for demanding applications in mobile phones and other portable communication device applications. it is capable of delivering 2.6w of continuous average power per channel into a 4 ? load with typically 10% distortion (thd+n) from a 5v power supply. the SGM4865 features an externally controlled, low power consumption shutdown mode and thermal shutdown protection. it also utilizes circuitry to reduce ?pop/click? during device turn-on. the SGM4865 is unity-gain stable and can be configured by external gain-setting resistors. the SGM4865 is available in green tqfn-44-16l package. it operates over an ambient temperature range of -40 to +85 . features ? 2.6w into 4 ? load from 5v supply at thd+n = 10% (typical, per channel) ? excellent psrr: direct connection to battery ? unity gain stable ? 2.6v to 5.5v operation ? shutdown current: 0.03 a (typ) ? improved pop/click circuitry ? no output coupling capacitors ? external gain configuration capability ? thermal shutdown protection circuitry ? -40 to +85 operating temperature range ? available in green tqfn-44-16l package applications cell phones, pda, mp4, pmp portable and desktop computers desktops audio system multimedia monitors rev. a. 1 sg micro corp www.sg-micro.com
SGM4865 2.6w stereo audio power amplifier 2 sg micro corp www.sg-micro.com package/ordering information model order number package description package option marking information SGM4865 SGM4865ytqe16g/tr tqfn-44-1 6l tape and reel, 3000 SGM4865ytqe16 absolute maximum ratings supply voltage????????????????????6v input voltage?????????????-0.3v to (v cc ) + 0.3v storage temperature range????????.-65 to +150 junction temperature???????????????..150 operating temperature range????????-40 to +85 lead temperature range (soldering 10sec) ?????????????????????????.260 esd susceptibility hbm??????????????????????...4000v mm????????????????????????400v note: stresses beyond those listed under ?absolute maximum ratings? may cause permanent damage to the device. these are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the s pecifications is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. caution this integrated circuit can be damaged by esd if you don?t pay attention to esd protection. sgmicro recommends that all integrated circuits be handled with appropriate precautions. failure to observe proper handling and installation procedures can cause damage. esd damage can range from subtle performance degradation to complete device failure. precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. sgmicro reserves the right to make any change in circuit design, specification or other related things if necessary without notice at any time. please contact sgmicro sales office to get the latest datasheet. pin configuration (top view) ina 1 2 3 4 5 7 8 9 10 shdn v cc -outb -outa gnd +outa gnd gnd 6 11 12 13 14 16 gnd gnd inb v cc +outb gnd tqfn-4 4-16l gnd 15 bp
SGM4865 2.6w stereo audio power amplifier 3 sg micro corp www.sg-micro.com electrical characteristics (t a = +25 , unless otherwise specified.) parameter symbol conditions min typ max units supply voltage v cc 2.6 5.5 v v cc = 5v, no load 6.40 v cc = 5v, 8 ? load 7.00 10.5 v cc = 3.0v, no load 5.60 v cc = 3.0v, 8 ? load 5.90 v cc = 2.6v, no load 5.30 quiescent power supply current i q v in = 0v, i o = 0a, v shdn = v cc v cc = 2.6v, 8 ? load 5.60 ma v in = 0v, v shdn = gnd, v cc = 5.0v 0.03 4 v in = 0v, v shdn = gnd, v cc = 3.0v 0.03 shutdown current i sd v in = 0v, v shdn = gnd, v cc = 2.6v 0.03 a shutdown voltage input high v sdih 1.2 shutdown voltage input low v sdil 0.4 v v in = 0v, v shdn = v cc = 5.0v -25 8.00 25 v in = 0v, v shdn = v cc = 3.0v 5.50 output offset voltage v os v in = 0v, v shdn = v cc = 2.6v 5.00 mv v cc = 5v 1.30 v cc = 3.6v 0.70 f = 1khz, thd+n = 1% v cc = 3.0v 0.45 v cc = 5v 1.60 v cc = 3.6v 0.85 output power per channel (8 ? ) f = 1khz, thd+n = 10% v cc = 3.0v 0.55 w v cc = 5v 2.10 v cc = 3.6v 1.00 f = 1khz, thd+n = 1% v cc = 3.0v 0.70 v cc = 5v 2.60 v cc = 3.6v 1.30 output power per channel (4 ? ) p o f = 1khz, thd+n = 10% v cc = 3.0v 0.90 w total harmonic distortion + noise thd+n v cc = 5v, r l = 8 ? , p o = 0.6w, f = 1khz 0.04 % v cc = 5v -70 v cc = 3.6v -70 f = 217hz, c b = 1 f, input grounded with 10 ? v cc = 3.0v -70 v cc = 5v -71 v cc = 3.6v -71 power supply rejection ratio psrr f = 1khz, c b = 1 f, input grounded with 10 ? v cc = 3.0v -71 db crosstalk x talk v cc = 5v, p o = 1w, c b = 1 f -90 db v cc = 5v 180 v cc = 3.6v 160 turn-on time t on c b = 1 f v cc = 3.0v 120 ms
SGM4865 2.6w stereo audio power amplifier 4 sg micro corp www.sg-micro.com typical performance characteristics at t a = +25 , a v = 2, f = 1khz, c b = 1f, unless otherwise noted. thd+n vs. output power 0.01 0.1 1 10 0.01 0.1 1 10 output power (w) thd+n (%) v cc = 5v r l = 8 ? thd+n vs. output power 0.01 0.1 1 10 0.01 0.1 1 10 output power (w) thd+n (%) v cc = 5v r l = 4 ? thd+n vs. frequency 0.001 0.01 0.1 1 0.01 0.1 1 10 100 frequency (khz) thd+n (%) v cc = 5v, r l = 8 ? p o = 400mw thd+n vs. output power 0.01 0.1 1 10 0.01 0.1 1 10 output power (w) thd+n (%) v cc = 3v r l = 8 ? thd+n vs. output power 0.01 0.1 1 10 0.01 0.1 1 10 output power (w) thd+n (%) v cc = 3v r l = 4 ? thd+n vs. frequency 0.001 0.01 0.1 1 0.01 0.1 1 10 100 frequency (khz) thd+n (%) v cc = 3v, r l = 8 ? p o = 150mw
SGM4865 2.6w stereo audio power amplifier 5 sg micro corp www.sg-micro.com typical performance characteristics at t a = +25 , a v = 2, f = 1khz, c b = 1f, unless otherwise noted. thd+n vs. frequency 0.001 0.01 0.1 1 0.01 0.1 1 10 100 frequency (khz) thd+n (%) v cc = 5v, r l = 4 ? p o = 1w power supply rejection ratio vs. frequency -100 -80 -60 -40 -20 0 0.01 0.1 1 10 100 frequency (khz) psrr (db) v cc = 5v r l = 8 ? 200mv p-p crosstalk vs. frequency -120 -110 -100 -90 -80 0.01 0.1 1 10 100 frequency (khz) crosstalk (db) v cc = 5v, r l = 8 ? p o = 1w b - in /a - out a - in / b - out thd+n vs. frequency 0.001 0.01 0.1 1 0.01 0.1 1 10 100 frequency (khz) thd+n (%) v cc = 3v, r l = 4 ? p o = 0.25w power supply rejection ratio vs. frequency -100 -80 -60 -40 -20 0 0.01 0.1 1 10 100 frequency (khz) psrr (db) v cc = 3v r l = 8 ? 200mv p-p crosstalk vs. frequency -120 -110 -100 -90 -80 0.01 0.1 1 10 100 frequency (khz) crosstalk (db) v cc = 3v, r l = 8 ? p o = 0.3w a - in / b - out b - in /a - out
SGM4865 2.6w stereo audio power amplifier 6 sg micro corp www.sg-micro.com typical performance characteristics at t a = +25 , a v = 2, f = 1khz, c b = 1f, unless otherwise noted. power dissipation vs. output power 0 0.1 0.2 0.3 0.4 0 0.2 0.4 0.6 0.8 1 output power (w) power dissipation (w) v cc = 3.6v r l = 8 ? output power vs. supply voltage 0 0.4 0.8 1.2 1.6 2 2.4 22.533.544.555.56 supply voltage (v) output power (w) r l = 8 ? thd+n = 10% thd+n = 1% power dissipation vs. output power 0 0.1 0.2 0.3 0.4 0 0.2 0.4 0.6 0.8 1 output power (w) power dissipation (w) v cc = 3v r l = 8 ?
SGM4865 2.6w stereo audio power amplifier 7 sg micro corp www.sg-micro.com typical application _ + _ + + _ + _ -outa +outa +outb -outb bp ina inb r f 20k r l 8 r l 8 gnd v cc c s 1f c i 0.22f r i 20k audio input c b 1.0f c i 0.22f r i 20k audio input r f 20k v cc shdn shdn working 4 9 8 5, 6, 7, 13, 14, 16 10 12 1 3 v cc 2, 11 15 10k note: 1. a 10k ? resistor must be serially connected to shdn pin.
SGM4865 2.6w stereo audio power amplifier 8 sg micro corp www.sg-micro.com package outline dimensions tqfn-44-16l recommended land pattern (unit: mm) n9 k e1 e e n16 n5 n1 d d1 l b a1 a2 a side view bottom view top view 0.3 0.65 2.1 2.9 4.6 0.85 2.1 dimensions in millimeters dimensions in inches symbol min max min max a 0.700 0.800 0.028 0.031 a1 0.000 0.050 0.000 0.002 a2 0.203 ref 0.008 ref d 3.900 4.100 0.154 0.161 d1 2.000 2.200 0.079 0.087 e 3.900 4.100 0.154 0.161 e1 2.000 2.200 0.079 0.087 k 0.200 min 0.008 min b 0.250 0.350 0.010 0.014 e 0.650 typ 0.026 typ l 0.450 0.650 0.018 0.026
SGM4865 2.6w stereo audio power amplifier 9 sg micro corp www.sg-micro.com tape and reel information note: the picture is only for reference. please make the object as the standard. key parameter list of tape and reel package type reel diameter reel width w1 (mm) a0 (mm) b0 (mm) k0 (mm) p0 (mm) p1 (mm) p2 (mm) w (mm) pin1 quadrant tqfn-44-16l 13 12.4 4.3 4.3 1.1 4.0 8.0 2.0 12.0 q1 reel width (w1) reel diameter reel dimensions tape dimensions direction of feed p2 p0 w p1 a0 k0 b0 q1 q2 q4 q3 q3 q4 q2 q1 q3 q4 q2 q1
SGM4865 2.6w stereo audio power amplifier 10 sg micro corp www.sg-micro.com carton box dimensions note: the picture is only for reference. please make the object as the standard. key parameter list of carton box reel type length (mm) width (mm) height (mm) pizza/carton 13 386 280 370 5
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