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Description

The SA58640 is a low-voltage monolithic FM IF system incorporating a mixer/oscillator,
two limiting intermediate frequency amplifiers, quadrature detector, logarithmic RSSI,
voltage regulator and audio and RSSI operational amplifiers. 

Features

1. Low power consumption: 5.0 mA typical at 5 V
2. Mixer input to >100 MHz
3. Mixer conversion power gain of 17 dB at 45 MHz
4. Crystal oscillator effective to 100 MHz
5. 102 dB of IF amplifier/limiter gain
6. 2 MHz IF amplifier/limitersmall signal bandwidth
7. Temperature compensated logarithmic RSSI with a 70 dB dynamic range
8. Low external component count; suitable for crystal/ceramic/LC filters
9. Audio output internal op amp
10. RSSI output internal op amp
11. Internal op amps with rail-to-rail outputs
12. ESD protection: Human body model 2 kV; robot model 200 V