ver: 1.0 apr 10, 2003 tel: 886-3-5788833 http://www.gmt.com.tw 1 G1301 global mixed-mode technology inc. stereo headphone power amplifier features ? class ab amplifier ? high performance ? high signal-to-noise ratio ? low distortion ? low power consumption ? large output voltage swing ? excellent power supply ripple rejection ? 4.0v to 6.0v supply voltage range ? surface-mount package-sop 8 applications ? cd-rom ? dvd-rom ? cd-r/w ? mp3 ? portable stereo general description the G1301 is a stereo audio power amplifier housed in a 8-pin sop package capable of delivering 60mw of continuous power per channel into 32 ? loads. amplifier gain is externally configured by means of two resistors per input channel. the G1301 is a dual channel, low voltage, low power, high performance op amps that can be designed into a wide range of headphone driving applications, at an economical price. ordering information order number marking temp. range package G1301p1x G1301 0c to +70c sop- 8l note: x specify the packing type u: tape & reel t: tube pin configuration pinning symbol pin description outa 1 output a ina(neg) 2 inverting input a ina(pos) 3 non-inverting input a v ss 4 negative supply inb(pos) 5 non-inverting input b inb(neg) 6 inverting input b outb 7 output b v dd 8 positive supply ina(neg) ina(pos) outa v ss v dd outb inb(neg) inb(pos) 1 8 2 3 4 7 6 5 G1301 ina(neg) ina(pos) outa v ss v dd outb inb(neg) inb(pos) 1 8 2 3 4 7 6 5 G1301
ver: 1.0 apr 10, 2003 tel: 886-3-5788833 http://www.gmt.com.tw 2 G1301 global mixed-mode technology inc. block diagram absolute maximum ratings (note1) symbol parameter conditions min. max. unit v dd supply voltage 0 7.0 v t stg storage temperature -65 +150 c t amb operating ambient temperature 0 +70 c esd esd voltage hbm - 2 kv notes: 1. absolute maximum ratings are limits beyond which damage to the device may occur. thermal characteristics symbol parameter value unit r th j-a thermal resistance from junction to ambient in free air sop-8l 210 c/w test and application information fig.1 measurement circuit for inverting application _ + _ + G1301 1 2 3 4 5 6 7 8 outa ina(neg) ina(pos) v ss v dd outb inb(neg) inb(pos) _ + _ + _ + G1301 1 2 3 4 5 6 7 8 outa ina(neg) ina(pos) v ss v dd outb inb(neg) inb(pos) _ + _ + 2 3 v dd v ina 3.9k ? 3.9k ? v ref (typ. 2.5v) v inb 3.9k ? 5 6 74 18 G1301 3.9k ? + 220f v outa r l + c6 100f 220f + r l v outb 2.2f 2.2f _ + _ + 2 3 v dd v ina 3.9k ? 3.9k ? v ref (typ. 2.5v) v inb 3.9k ? 5 6 74 18 G1301 3.9k ? + 220f v outa r l + c6 100f 220f + r l v outb 2.2f 2.2f
ver: 1.0 apr 10, 2003 tel: 886-3-5788833 http://www.gmt.com.tw 3 G1301 global mixed-mode technology inc. electrical characteristics v dd = 5v; v ss = 0v ; t amb = 25c; f i = 1khz; r l = 32 ? ? ? ? ; unless otherwise specified. symbol parameter conditions min. typ. max. unit supplies single supply voltage, v ss =gnd 4.0 5.0 6.0 v v dd dual supply voltage 2.0 2.5 3.0 v v ss negative supply voltage -2.0 -2.5 -3.0 v i dd supply current no load - 4.0 8.0 ma p tot total power dissipation no load - 20 40 mw dc characteristics v i(os) input offset voltage -15 - 15 mv v cm common mode voltage 0 - 3.5 v cmrr common-mode rejection ratio v cm = 0v to 5v - 40 db g v open-loop voltage gain r l = 5k ? 50 65 - db r l = 32 ? 1.0 - 4.0 v v o output voltage swing r l = 5k ? 0.1 - 4.9 v psrr power supply rejection ratio fi = 1khz; v ripple(peak) = 1v - 50 - db cs channel separation - 70 - db ac characteristics thd total harmonic distortion po=60mw - < 0.3 - % gbp gain bandwidth product open-loop; r l = 5k ? - 1.0 - mhz p o maximum output power thd< 0.3% - 60 - mw b power bandwidth unity gain inverting - 30 - khz
ver: 1.0 apr 10, 2003 tel: 886-3-5788833 http://www.gmt.com.tw 4 G1301 global mixed-mode technology inc. package information 1. package body sizes exclude mold flash and gate burrs 2. dimension l is measured in gage plane 3. tolerance 0.10mm unless otherwise specified 4. controlling dimension is millimeter converted inch dimensions are not necessarily exact. dimension in mm dimension in inch symbol min. nom. max. min. nom. max. a 1.35 1.60 1.75 0.053 0.063 0.069 a1 0.10 ----- 0.25 0. 004 ----- 0. 010 a2 ----- 1.45 ----- ----- 0. 057 ----- b 0.33 ----- 0.51 0. 013 ----- 0. 020 c 0.19 ----- 0.25 0. 007 ----- 0. 010 d 4.80 ----- 5.00 0. 189 ----- 0. 197 e 3.80 ----- 4.00 0. 150 ----- 0. 157 e ----- 1.27 ----- ----- 0. 050 ----- h 5.80 ----- 6.20 0. 228 ----- 0. 244 l 0.40 ----- 1.27 0. 016 ----- 0. 050 y ----- ----- 0.10 ----- ----- 0. 004 0o ----- 8o 0o ----- 8o taping specification gmt inc. does not assume any res ponsibility for use of any circuitry described, no circuit patent licenses are implied and gmt inc. reserves the right at any t ime without notice to change said circuitry and specifications. feed direction typical sop package orientation feed direction typical sop package orientation d e h 7 (4 x ) a1 a2 a e b y c l d e h 7 (4 x ) a1 a2 a e b y c l
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