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AN7243S - FM Front-end

General Description

Pin No.

1 Pin Name Oscillation Emitter Typ.

Key Features

  • High sensitivity.
  • High S/N ratio.
  • Good IM characteristics at strong input.
  • Timing for AGC input level is variable.
  • Built-in pre-IF-Amp. having negative (positive) 0.1±0.1 1 2 3 4 5 6 7 14 13 12 11 10 9 8 10.1±0.3 1.27 AN7243S s Absolute Maximum Ratings (Ta=25˚C) Parameter Supply Voltage Supply Current Power Dissipation Operating Ambient Temperature Storage Temperature Symbol VCC ICC PD Topr Tstg Rating 9.6 50 380.
  • 40 ~ + 80.
  • 55 ~ +.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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ICs for FM/AM Tuner AN7243S FM Front-end Circuit for Car Radio s Overview The AN7243S is an FM front-end IC designed for DTS except RF amp. of car radio. It is built-in local oscillation frequency buffer output and PIN diode (ADX) driver for antenna damping. Unit : mm 0.4±0.25 1.24 temper- 0.3 4.2±0.3 6.5±0.3 14-Lead SOP Package (SOP014-P-0225) s Block Diagram GND 14 13 12 11 10 9 8 ADX Driver Mix. IF-Amp. Buffer OSC AGC & Det. Buffer 1 2 3 VCC 4 5 6 7 0.15 0.65 ature characteristics to RF amp. 1.5±0.2 s Features • High sensitivity · High S/N ratio • Good IM characteristics at strong input • Timing for AGC input level is variable. • Built-in pre-IF-Amp. having negative (positive) 0.1±0.1 1 2 3 4 5 6 7 14 13 12 11 10 9 8 10.1±0.3 1.