unisonic technologies co., ltd PA6203 preliminary cmos ic www.unisonic.com.tw 1 of 6 copyright ? 2013 unisonic technologies co., ltd qw-r502-a16.a 1.25- w mono fully differential audio power amplifier ? description the utc PA6203 is a mono fully-differential audio amplifier, capable of delivering 1.25w of continuous average power to an 8- ? btl load with less than 1% distortion from a 5v power supply. the utc PA6203 is ideal for pda/smart phone applications due to features such as -85-db supply vo ltage rejection from 90hz to 5khz, improved rf rectification immunity and a fast start-up with minimal pop. the device operates from 2.5v to 5.5v, drawing only 1.7ma of quiescent supply current. ? features * 1.25w into 8 ? from a 5-v supply at thd=1% (typ.) * 2.5v-5.5v operation * low supply current: 1.7ma typ at 5v * shutdown control<10a * only five external components - improved psrr (90db) for direct battery operation - fully differential design reduces rf rectification - improved cmrr eliminates two input coupling capacitors - c (bypass) is optional due to fully differential design and high psrr ? applications * designed for wireless or cellular handsets and pdas ? ordering information ordering number package packing lead free halogen free PA6203l-sh2-t PA6203g-sh2-t hsop-8 tube PA6203l-sh2-r PA6203g-sh2-r hsop-8 tape reel PA6203l -sh2 -t (1)packing type (2)package type (1) t: tube, r: tape reel (2) sh2: hsop-8 (3) l: lead free, g: halogen free (3)halogen free
PA6203 preliminary cmos ic unisonic technologies co., ltd 2 of 6 www.unisonic.com.tw qw-r502-a16.a ? pin configuration 1 2 3 4 5 6 7 8 gnd shutdown bypass in+ in- v o- gnd v dd v o+ ? pin description pin no. pin name description 1 shutdown shutdown terminal (active low logic) 2 bypass mid-supply voltage, adding a bypass capacitor improves psrr 3 in+ positive differential input 4 in- negative differential input 5 v o+ positive btl output 6 v dd supply voltage terminal 7 gnd high-current ground 8 v o ? negative btl output thermal pad connect to ground. thermal pad must be soldered down in all applications to properly secure device on the pcb. ? block diagram shutdown c (bypass) (optional) + - 6 v dd 5 v o+ 8 v o- 7 gnd 3 in+ 4 in- bias circuitry 2 1
PA6203 preliminary cmos ic unisonic technologies co., ltd 3 of 6 www.unisonic.com.tw qw-r502-a16.a ? absolute maximum rating (over operating free-air temperature range, unless otherwise noted) parameter symbol ratings unit supply voltage v dd -0.3~6 v input voltage inx and shutdown pins v i -0.3~v dd +0.3 v continuous total power dissipation p d internally limited operating free-air temperature t a -40~85 c junction temperature t j -40~125 c storage temperature t stg -65~150 c lead temperature from case for 10 seconds 260 c note: absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? thermal data parameter symbol ratings unit junction to ambient ja 42.3 c/w junction to case jc 12 ? c/w ? recommended operating conditions package symbol min typ max unit supply voltage v dd 2.5 5.5 v high-level input voltage shutdown v ih 2 v low-level input voltage shutdown v il 0.8 v common-mode input voltage v=2.5v, 5.5v, cmrr -60db v ic 0.5 v dd -0.8 v operating free-air temperature t a -40 85 c load impedance z l 6.4 8 ? ? electrical characteristics (t a =25c, gain=1v/v, unless otherwise noted) parameter symbol test conditions min typ max unit output offset voltage (measured differentially) |v oo | v i =0v, v dd =2.5v~5.5v 9 mv power supply rejection radio psrr v dd =2.5v~5.5v -90 -70 db common mode rejection ratio cmrr v dd =3.6v~5.5v, v ic =0.5v~v dd -0.8 -70 -65 db v dd =2.5v, v ic =0.5v~1.7v -62 -55 low-level output voltage v ol r l =8 ? , v in+ =v dd , v in- =0v or v in+ =0v, v in- =v dd v dd =5.5v 0.30 0.46 v v dd =3.6v 0.22 v dd =2.5v 0.19 0.26 high-level output voltage v oh r l =8 ? , v in+ =v dd , v in- =0v or v in+ =0v, v in- =v dd v dd =5.5v 4.8 5.12 v v dd =3.6v 3.28 v dd =2.5v 2.1 2.24 high-level input current |i ih | v dd =5.5v, v i =5.8v 1.2 a low-level input current |i il | v dd =5.5v, v i =-0.3v 1.2 a supply current i dd shutdown=2v, v dd =2.5v~5.5v, no load 1.7 2 ma supply current in shutdown mode i dd(sd) shutdown=0.8v, v dd =2.5v~5.5v, no load 0.01 0.9 a
PA6203 preliminary cmos ic unisonic technologies co., ltd 4 of 6 www.unisonic.com.tw qw-r502-a16.a ? operating characteristics (t a =25c, gain=1v/v, r l =8 ? ) parameter symbol test conditions min typ max unit output power p o thd+n=1%, f=1khz v dd =5v 1.25 w v dd =3.6v 0.63 w v dd =2.5v 0.3 w total harmonic distortion plus noise thd+n v dd =5v, p o =1w, f=1khz 0.06 % v dd =3.6v, p o =0.5w, f=1khz 0.07 v dd =2.5v, p o =200mw, f=1khz 0.08 supply ripple rejection ratio k svr c (bypass) =0.47 f, v dd =3.6v~5.5v, inputs ac-grounded with c i =2f f=217hz~2khz, v ripple =200mv pp -87 db c (bypass) =0.47 f, v dd =2.5v~3.6v, inputs ac-grounded with c i =2f f=217hz~2khz, v ripple =200mv pp -82 db c (bypass) =0.47 f, v dd =2.5v~5.5v, inputs ac-grounded with c i =2f f=40hz~20khz, v ripple =200mv pp -74 db signal-to-noise radio snr v dd =5v, p o =1w 104 db output voltage noise v n f=20hz~20khz no weighting 17 v rms a weighting 13 common mode rejection radio cmrr v dd =2.5v~5.5v, resistor tolerance=0.1%, gain=4v/v, v icm =200mv pp f=20hz~1khz -85 db f=20hz~20khz -74 db input impedance z i 2 m ? output impedance z o shutdown mode >10k shutdown attenuation f=20hz~20khz, r f =r i =20k ? -80 db
PA6203 preliminary cmos ic unisonic technologies co., ltd 5 of 6 www.unisonic.com.tw qw-r502-a16.a ? typical application circuit table 1. typical component values component value unit r i 10 k ? r f 10 k ? c ( bypass ) (note 1) 0.22 f c s 1 f c i 0.22 f note: 1. c ( bypass ) is optional shutdown c (bypass) (optional) r i r i 4 in- in+ 3 2 1 v dd v o+ v o- gnd bias circuitry + - 6 5 8 7 c s to battery in from dac - + r f r f figure 1. typical differential input application schematic shutdown c (bypass) (optional) r i r i 4 in- in+ 3 2 1 v dd v o+ v o- gnd bias circuitry + - 6 5 8 7 c s to battery c i c i - + r f r f figure 2. differential input application schematic optimized with input capacitors
PA6203 preliminary cmos ic unisonic technologies co., ltd 6 of 6 www.unisonic.com.tw qw-r502-a16.a ? typical application circuit(cont.) figure 3. single-ended input application schematic utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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