View PA7469G-D16-T_4268019.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

unisonic technologies co., ltd pa7469 cmos ic www.unisonic.com.tw 1 of 12 copyright ? 2008 unisonic technologies co., ltd qw-r502-201.a stereo 2.6w audio power amplifier (with dc_volume control) ? description as an audio power amplifier, utc pa7469 can provides precise dc volume control, and a stereo bridged audio power amplifiers capable of producing 2.6 ? (1.8w) into 4w with less than 10% (1.0%)thd+n. in utc pa7469 , the attenuator range of the volume control is from 20db (dc_vol=0v) to -80db (dc_vol=3.54v) with 32 steps. it also includes both of the depop circuitry and the thermal shutdown protection circuitry which can reduce pops and clicks noise during power up or shutdown mode operation. it also improves the power off pop noise and has the parts to not been destroyed by over temperature and short current failure. into a single utc pa7469 chip, there are a stereo bridge-tied loads (btl) mode for speaker drive and a stereo single-end (se) mode for headphone drive into a single chip, which built to simplify the audio system design. and bot h modes are easily switched by the se/btl input control pin signal. ? features * low operating current: 9ma * two output modes allowable with btl and se modes selected by se/btl pin * low current consumption in shutdown mode :1 a * short circuit protection * thermal shutdown protection and over current protection circuitry * improved depop circuitry to eliminate turn-on and turn-off transients in outputs * very high psrr * 32 steps volume adjustable * btl mode: 2.6w per channel output power into 4 ? load at 5v dip-16 sop-16 * product number: lead-free: pa7469l halogen-free: pa7469g ? rdering information ordering number normal lead free plating halogen-free plating package packing pa7469-d16-t pa7469l-d16-t PA7469G-D16-T dip-16 tube pa7469-s16-t pa7469l-s16-t pa7469g-s16-t sop-16 tube pa7469-s16-r pa7469l-s16-r pa 7469g-s16-r sop-16 tape reel
pa7469 cmos ic unisonic technologies co., ltd 2 of 12 www.unisonic.com.tw qw-r502-201.a ? pin configuration 1 2 3 4 5 6 7 8 utc pa7469 16 15 14 13 12 11 10 9 shutdown bypass r in- gnd gnd l in- volume se/btl r out- v dd r out+ gnd gnd l out+ v dd lout- ? pin description pin no pin name i/o description 1 shutdown i when this pin is pulled low the chip will be into shutdown mode. i sd = 1 a 2 bypass i bias voltage generator 3 r in- i right channel input 4,5,12,13 gnd ground 6 l in- i left channel input 7 volume i volume gain setting input signal 8 se/ btl i output mode control input, high: se output mode, low: for btl mode. 9 l out- o left channel positive output in btl mode and se mode. 10,15 v dd supply voltage 11 l out+ o left channel negative output in btl mode high impedance in se mode. 14 r out+ o right channel negative output in btl mode high impedance in se mode. 16 r out- o right channel positive out put in btl mode and se mode.
pa7469 cmos ic unisonic technologies co., ltd 3 of 12 www.unisonic.com.tw qw-r502-201.a ? block diagram volume control se/btl shutdown ckt power and depop circuit bypass r in- volume se/btl shutdown l in- l out+ l out- bypass r out+ r out- v dd gnd
pa7469 cmos ic unisonic technologies co., ltd 4 of 12 www.unisonic.com.tw qw-r502-201.a ? absolute maximum ratings (over operating free-air temperatur e range unless otherwise specified) parameter symbol ratings unit supply voltage v dd -0.3 ~ 6 v input voltage , se/btl, shutdown v in -0.3 ~ v dd +0.3 v power dissipation p d internal limited junction temperature t j internal limited(note1) operating temperature t opr -40 ~ 85 storage temperature t stg -65~ +150 note: 1. that integrated internal thermal shutdown protection when junction temperature ramp up to 150 2. absolute maximum ratings are those values bey ond 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 in free air ja 45 /w ? operating conditions recommended parameter symbol min typ max uni supply voltage v dd 4.5 5.5 v shutdown 2 v high level threshold voltage se/btl v ih 4 v shutdown 1.0 v low level threshold voltage se/btl v il 3 v common mode input voltage v i(cm) v dd -1.0 v ? electrical characteristics v dd =5v, -20 pa7469 cmos ic unisonic technologies co., ltd 5 of 12 www.unisonic.com.tw qw-r502-201.a ? electrical characteristics(cont.) parameter symbol test conditions min typ max unit se mode v dd =5v,t a =25 , gain=1db thd=10%, r l =16 ? , f in =1khz 220 mw thd=10%, r l =32 ? , f in =1khz 120 mw thd=1%, r l =16 ? , f in =1khz 160 mw maximum output power p out thd=1%, r l =32 ? , f in =1khz 95 mw p out =125mw,r l =16 ? , f in =1khz 0.09 total harmonic distortion plus noise thd+n p out =65mw, r l =32 ? , f in =1khz 0.09 % power ripple rejection ratio psrr v in =0.1vrms, r l =8 ? , c b =1 f, f in =120hz 60 db channel separation xtalk c b =1mf, r l =32 ? , f in =1khz 60 db signal to noise ratio s/n p out =75m ? ,se,r l =32 ? ,a_wieght 100 db
pa7469 cmos ic unisonic technologies co., ltd 6 of 12 www.unisonic.com.tw qw-r502-201.a ? typical application circuit
pa7469 cmos ic unisonic technologies co., ltd 7 of 12 www.unisonic.com.tw qw-r502-201.a ? volume control table_btl mode (supply voltage v dd =5v) gain(db) high(v) low(v) hysteresis(mv) recommended voltage(v) 20 0.12 0.00 0 18 0.23 0.17 52 0.20 16 0.34 0.28 51 0.31 14 0.46 0.39 50 0.43 12 0.57 0.51 49 0.54 10 0.69 0.62 47 0.65 8 0.80 0.73 46 0.77 6 0.91 0.84 45 0.88 4 1.03 0.96 44 0.99 2 1.14 1.07 43 1.10 0 1.25 1.18 41 1.22 -2 1.37 1.29 40 1.33 -4 1.48 1.41 39 1.44 -6 1.59 1.52 38 1.56 -8 1.71 1.63 37 1.67 -10 1.82 1.74 35 1.78 -12 1.93 1.85 34 1.89 -14 2.05 1.97 33 2.01 -16 2.16 2.08 32 2.12 -18 2.28 2.19 30 2.23 -20 2.39 2.30 29 2.35 -22 2.50 2.42 28 2.46 -24 2.62 2.53 27 2.57 -26 2.73 2.64 26 2.69 -28 2.84 2.75 24 2.80 -30 2.96 2.87 23 2.91 -32 3.07 2.98 22 3.02 -34 3.18 3.09 21 3.14 -36 3.30 3.20 20 3.25 -38 3.41 3.32 18 3.36 -40 3.52 3.43 17 3.48 -80 5.00 3.54 16 5
pa7469 cmos ic unisonic technologies co., ltd 8 of 12 www.unisonic.com.tw qw-r502-201.a ? typical characteristics thd+n (%) thd+n (%) thd+n (%) thd+n (%) thd+n vs. frequency thd+n (%) 20 1 5 0.1 100 1k 10k 20k frequency (hz) 0.01 v dd =5v r l =3 ? p out =1.8w btl a vd =20db a vd =6db thd+n vs. frequency thd+n (%) 20 1 5 0.1 100 1k 10k 20k frequency (hz) 0.01 v dd =5v a v =6db rl=3 ? btl p out =0.9w p out =1.8w
pa7469 cmos ic unisonic technologies co., ltd 9 of 12 www.unisonic.com.tw qw-r502-201.a ? typical characteristics thd+n (%) thd+n (%) thd+n (%) thd+n (%) 10 +12 +20 +8 100 1k 100k 200k frequency (hz) +0 frequency response 20k +4 +16 +330 +320 +310 +300 +190 +180 +170 +160 v dd =5v r l =4 ? p out =0.8w btl amplitude(20db) phase(20db) amplitude(6db) phase(6db) 20 +6 +14 -2 100 1k 100k 200k frequency (hz) -10 frequency response 10k -6 +10 +220 +210 +200 +190 +180 +170 +165 +2 amplitude(14db) phase(14db) amplitude(0db) phase(0db) v dd =5v r l =32 ? c o =1000f p out =300mw se
pa7469 cmos ic unisonic technologies co., ltd 10 of 12 www.unisonic.com.tw qw-r502-201.a ? typical characteristics(cont.) crosstalk vs. frequency 20 0 100 1k 10k 20k frequency (hz) -120 v dd =5v r l =4 ? p out =1.5w btl right to left left to right -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 crosstalk vs. frequency 20 0 100 1k 10k 20k frequency (hz) -100 v dd =5v r l =32 ? c o =1000f p out =65mw se right to left left to right -90 -80 -70 -60 -50 -40 -30 -20 -10 output noise voltage vs. frequency output noise voltage(v) 20 100 1k 10k 20k frequency (hz) 1u filter bw<22khz a-weight 10u 20u 100u v dd =5v a v =6db r l =4 ? btl output noise voltage vs. frequency output noise voltage(v) 20 100 1k 10k 20k frequency (hz) 1u filter bw<22khz 10u 20u 100u v dd =5v a v =0db r l =32 ? se a-weight psrr vs. frequency 20 100 1k 10k 20k frequency (hz) -100 -50 -40 0 -90 -80 -70 -60 -30 -20 -10 psrr vs. frequency 20 100 1k 10k 20k frequency (hz) -100 -50 -40 0 -90 -80 -70 -60 -30 -20 -10 v dd =5v r l =32 ? v in =200mv a v =14db se v dd =5v r l =4 ? v in =200mv a v =20db btl
pa7469 cmos ic unisonic technologies co., ltd 11 of 12 www.unisonic.com.tw qw-r502-201.a ? typical characteristics(cont.) shutdown attenuation(db) gain (db) supply current(ma) power dissipation (w) output power(w) power dissipation vs. output power power dissipation (w) 0 250 0 100 120 200 20 40 60 80 140 160 180 50 100 150 200 r l =16 ? r l =8 ? r l =32 ?
pa7469 cmos ic unisonic technologies co., ltd 12 of 12 www.unisonic.com.tw qw-r502-201.a 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.

▲Up To Search▲

Price & Availability of PA7469G-D16-T

	To Download PA7469G-D16-T Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .