SA58640DK
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.
3. Features and benefits
- Low power consumption: 5.0 m A typical at 5 V
- Mixer input to >100 MHz
- Mixer conversion power gain of 17 d B at 45 MHz
- Crystal oscillator effective to 100 MHz (LC oscillator or external oscillator can be used at higher frequencies)
- 102 d B of IF amplifier/limiter gain
- 2 MHz IF amplifier/limiter small signal bandwidth
- Temperature pensated logarithmic RSSI with a 70 d B dynamic range
- Low external ponent count; suitable for crystal/ceramic/LC filters
- Audio output internal op amp
- RSSI output internal op amp
- Internal op amps with rail-to-rail outputs
- ESD protection: Human body model 2 k V; robot model 200 V
4. Applications
- Cordless telephones
NXP...
