TA7792

TIGER ELECTRONIC CO.,LTD AM/FM 1 CHIP TUNER SYSTEM IC (1.5V USE) TA 7792 G ENERAL DESCRI PTI O N The TA7792 is AM/FM 1 chip tuner system (FM FRONT END+AM/FM IF) ICs, w h i c h i s d e s i g n e d f o r l o w v o l t a g e o p e r a t i o n ( 1 . 5 V, 3 . 0 V ) . T h o s e a r e e s p e c i a l l y suitable for stereo headphone radio and radio cassette recorder equipments. These item can realize the low power dissipation and few external parts. FEATURES AM detector coil-less FM mixer coil-less Switchover between AM/FM mode is possible with one-make switch. Operating supply voltage range: V c c ( o p r ) = 0 . 9 5 ~ 5 V ( Ta = 2 5 ° C ) E x c e l l e n t l o w s u p p l y c u r r e n t ( V c c = 1 . 5 V, Ta = 2 5 ° C ) I c c ( A M ) = 1 . 2 m A ( Ty p . ) I c c ( F M ) = 4 . 0 m A ( Ty p . ) BLOCK DIAGRAM SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn 1/9 CHMC http://www.Datasheet4U.com Silicore PIN CONNECTION FM MIX AM/FM SW FM OSC AM OSC AM MIX AM AGC AM IF AF 1 2 3 4 5 6 7 8 16 15 14 13 FM RF GND FM IF1 AM RF FM IF2 GND Vcc FM DET TA7792 D7792 D7792 12 11 10 9 TERMINAL VO LTAGE: Te r m i n a l v o l t a g e a t n o s i g n a l w i t h t e s t c i r c u i t ( V c c = 1 . 5 V, Ta = 2 5 ° C ) Pin No. SymPin Name bol FM RF OUT V1 Vcc1 V2 FM OSC V3 AM OSC V4 AM MIX OUT V5 AM AGC V6 AM IF IN V7 AF OUT V8 Ty p . AM FM 1.5 1.5 1.5 1.5 1.5 1.5 1.5 0.8 1.4 1.5 0.6 0.6 Unit V V V V V V V V 9 10 11 12 13 14 15 16 Pin No. SymPin Name bol FM DET V9 Vcc2 V10 GND2 V...