SA58640DK Overview
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. The SA58640 is available in a 20-pin SSOP package.
Key Features
- Low power consumption: 5.0 mA typical at 5 V
- Mixer input to >100 MHz
- Mixer conversion power gain of 17 dB at 45 MHz
- Crystal oscillator effective to 100 MHz (LC oscillator or external oscillator can be used at higher frequencies)
- 102 dB of IF amplifier/limiter gain
- 2 MHz IF amplifier/limiter small signal bandwidth
- Temperature compensated logarithmic RSSI with a 70 dB dynamic range
- Low external component count; suitable for crystal/ceramic/LC filters
- Audio output internal op amp
- RSSI output internal op amp
