utc TA8127 linear integrated circuit utc unisonic technologies co., ltd. 1 qw-r110-017,a 3v am / fm 1 chip tuner ic description the utc TA8127 is the am / fm 1 chip tuner ic, which is designed for portable radios and 3v headphone radios. features *built-in fm f/e, am / fm if and fm mpx *am detector coil and if coupling condenser are not needed. *operating supply voltage range vcc=1.8~7.0v (ta=25 c) ssop-24 sdip-24 *pb-free plating product number: TA8127l block diagram
utc TA8127 linear integrated circuit utc unisonic technologies co., ltd. 2 qw-r110-017,a absolute maximum ratings (ta=25 c) parameter symbol value unit supply voltage vcc 8 v led current i led 10 ma led voltage v led 8 v power dissipation ssop sdip p d (note) 400 1200 mw operating temperature t opr -25 to +75 c storage temperature t stg -55 to +150 c note: derated above 25 c in the proportion of 9.6mw/ c for sdip and of 3.2mw/ c for ssop. electrical characteristics (u nless otherwise specified, ta=25 c, vcc=3v, f/e: f=83mhz, fm=1khz fm if : f=10.7mhz, ? f= 22.5khz, fm=1khz am : f=1mhz, mod=30%, fm=1khz mpx : fm=1khz ) parameter symbol * test conditions min typ max unit icc(fm) 1 vin=0, fm mode 13.2 20.0 ma supply current icc(am) 1 vin=0, am mode 8.4 13.5 ma input limiting voltage vin(lim.) 1 -3db limiting 10.0 db v emf f / e local osc voltage v osc 2f osc =72.3mhz 105 mvrms fm if input limiting voltage vin(lim.) if 1 -3db limiting 40 46 53 db v emf recovered output voltage v od 1 vin=80db v emf 55 80 110 mvrms signal to noise ratio s/n 1 vin=80db v emf 70 db total harmonic distortion thd 1 vin=80db v emf 0.4 % am rejection ratio amr 1 vin=80db v emf 32 db lamp on sensitivity v l 1i l =1ma 45 51 56 db v emf am gain gv 1 vin=26db v emf 40 70 110 mvrms recovered output voltage v od 1 vin=60db v emf 55 80 110 mvrms signal to noise ratio s/n 1 vin=60db v emf 42 db total harmonic distortion thd 1 vin=60db v emf 1.0 % lamp on sensitivity v l 1i l =1ma 20 25 30 db v emf pin 19 output resistance r19 1 fm mode am mode 0.75 12.5 k ? *test circuit
utc TA8127 linear integrated circuit utc unisonic technologies co., ltd. 3 qw-r110-017,a parameter symbol * test conditions min typ max unit input resistance rin - 24 k ? output resistance rout - 5 k ? max. composite signal input voltage vin(max.) stereo 1 l+r=90%, p=10%, fm=1khz, thd=3% 350 mvrms fm=100hz 42 fm=1khz 35 42 separation sep 1 l+r=135mvrm, p=15mvrms fm=10khz 42 db monaural thd (monaural) vin=150mvrms 0.2 % total harmonic distortion stereo thd (stereo) 1 l+r=135mvrm, p=15mvrms 0.2 % voltage gain gv(mpx) 1 vin=150 mvrms -5 -3 -1 db channel balance c.b. 1 vin=150 mvrms -2 0 2 db on v l (on) pilot input 8 16 mvrms stereo lamp sensitivity off v l (off) 1 pilot input 2 6 mvrms stereo lamp hysteresis v h 1 to led turn off from led turn on 2 mvrms capture range c.r. 1 p=15mvrms 3 % mpx signal to noise ratio s/n 1 vin=150mvrms 70 db *test circuit
utc TA8127 linear integrated circuit utc unisonic technologies co., ltd. 4 qw-r110-017,a test circuit 1 utc TA8127 note: polyester film condenser using other types of condensers, there are some cases that the mpx does not do normal stereo action at high temperature or low temperature.
utc TA8127 linear integrated circuit utc unisonic technologies co., ltd. 5 qw-r110-017,a test circuit 2 utc TA8127 coil data test freq. l co qo turns coil no. (hz) ( h) (pf) 1-2 2-3 1-3 1-4 4-6 wire (mm ) reference l1 fm rf 100m 100 2.5 0.5uew s 53t-037-202 l2 fm osc 100m 100 2.75 0.5uew s 0258-244 l3 am osc 796k 288 115 13 73 0.08uew s 4147-1356-038 t1 fm mix 10.7m 75 100 13 2 0.1uew s 2153-414-041 t2 am mix 455k 180 120 180 15 0.08uew s 2150-2162-165 t3 fm det 10.7m 47 165 16 0.09uew s 2153-4095-122 s : sumida electric co., ltd
utc TA8127 linear integrated circuit utc unisonic technologies co., ltd. 6 qw-r110-017,a
utc TA8127 linear integrated circuit utc unisonic technologies co., ltd. 7 qw-r110-017,a
utc TA8127 linear integrated circuit utc unisonic technologies co., ltd. 8 qw-r110-017,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.
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