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| MITSUMI Single-Chip System for Radios LMF501 Single-Chip System for Radios Monolithic IC LMF501 Outline This is a monolithic IC designed for use as a single-chip AM radio. It can be used to configure an AM radio with few external components. It is ideal for use in watch radios, lighter-radios and other applications intended to operate on low voltage and current. Features 1. 2. 3. 4. Operation at low voltages possible Operates with low current consumption Compact, lightweight Broad AGC range VCC : 1.1V Package TO-92A (LMF501T-2) Absolute Maximum Ratings Item Operating temperature Storage temperature Power supply current Symbol TOPR TSTG VCC Ratings -30~+80 -40~+125 1.5 Units C C V Electrical Characteristics Item Power supply voltage Operating output voltage Circuit current Practical frequency range Input resistance Audio distortion AGC range Power gain Symbol VCC VOUT ICC fR ZIN THD AGC Gp 30 70 150 4 4 0.8 0.3 Min. Typ. Max. Units 1.4 1.5 V V mA 3000 kHz M % dB dB Measurement conditions: Except where noted otherwise, in measurement circuits1 VCC=1.4 V, RAGC=1.5k Modulator: f=1000Hz 40%, VIN=1m V/rms MITSUMI Single-Chip System for Radios LMF501 Block Diagram Measurement Circuit Application Circuits |
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