Datasheet Summary
ICs for FM/AM Tuner
FM Front-end IC for Car Radio s Overview
The AN7280S is an FM front-end IC designed for DTS except RF amp. of car radio. It Features built-in local oscillation frequency buffer output, PIN diode driver for antenna damping and SSC (search stop control).
Unit : mm 0.4 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 1.5±0.2
0.4±0.25 s Features
- High sensitivity, high S/N ratio
- Good IM characteristics at strong input
- Available for two loop AGC (keyed AGC)
- Pre IF amp. gain variable
- PIN diode driver (ADX) built-in
0.1±0.1
5.4±0.3 7.7±0.3
20-Lead SOP Package (SOP020-P-0300B) s Block Diagram
GND 20 19 18 17 16 15 14 13 12 11
IF Amp....