CXA1538M芯片功能概述与解密

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Description
The CXA1538M/N/S is high performance one-chip bipolar ICs designed for FM stereo/AM radios.These include an FM/AM front end, FM/AM IF
amplifier, FM/AM detection output and FM stereo demodulator output.
Features
·Low current consumption
(In FM mode ID=11.0 mA, in AM mode 8.5 mA,VCC=6.0 V)
·Built-in LED drive circuit for tuning
·Built-in LED drive circuit for stereo indicator
·Built-in muting circuit for the FM band
·Few external parts
Absolute Maximum Ratings (Ta=25 °C)
·Supply voltage VCC 14 V
·Operating temperature Topr –10 to +60 °C
·Storage temperature Tstg –55 to +150 °C
·Junction temperature Tjmax 125 °C
·Allowable power dissipation