SA1787

SA1787 SINGLE-CHIP TUNER IC FOR CAR RADIOS DESCRIPTION The SA1787 is a high performance tuner circuit for AM and FM car radio. It integrates mixer, IF amplifier, signal detection circuit and stereo decoder for AM and FM. It achieves stereo tuning with advanced technology and less peripheral components. FEATURES FM-Part ∗ RF AGC generation for RF and IF detection ∗ I/Q mixer for 1st FM IF 10.7MHz with image rejection ∗ Excellent FM signal meter linearity ∗ MPX integrated in a single chip ∗ Improve FM separation temperature characteristics ∗ Improve FM thermal characteristics AM-Part ∗ Wide and narrow AGC generation ∗ Mixer for 1st IF 10.7MHz, AM up conversion ∗ Mixer for 2nd IF 450kHz, AM down conversion ∗ Integrated AM-demodulator ∗ AM IF and audio noise blanking ∗ Improve AM adjacent channel interference characteristics QFP-64-14 x 14-0.8 APPLICATIONS ∗ Car Radios ∗ Improve AM thermal characteristics www.DataSheet4U.com ORDERING INFORMATION Device SA1787 Package QFP-64-14x14-0.8 Marking SA1787 HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http://www.silan.com.cn REV:1.0 2008.08.29 Page 1 of 19 SA1787 BLOCK DIAGRAM www.DataSheet4U.com ABSOLUTE MAXIMUM RATING Characteristics Maximum Supply Voltage Allowable Power Dissipation Operating Temperature Storage Temperature Symbol VCC1 max VCC2 max Pd max Topr Tstg Conditions Pins 6, 40, and 61 Pins 7, 45, 54, 59, and 60 Ta ≤ 55°C Ratings 9 12 950 –40 to +85 –40 to +150 Unit V V mW °C °C HANGZHOU SILAN MICROELECTRONICS CO.,LTD H...