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SA676 Datasheet

Part NameDescriptionManufacturer
SA676 Low-voltage mixer FM IF system NXP
NXP Semiconductors. NXP
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General description
The SA676 is a low-voltage monolithic FM IF system incorporating a mixer/oscillator, two limiting intermediate frequency amplifiers, quadrature detector, logarithmic Received Signal Strength Indicator (RSSI), voltage regulator and audio and RSSI op amps. The SA676 is available in a 20-pin SSOP (Shrink Small Outline Package).

Features and benefits
■ Low power consumption: 3.5 mA typical at 3 V
■ Mixer input to > 100 MHz
■ Mixer conversion power gain of 17 dB at 45 MHz
■ XTAL 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 amp/limiter small signal bandwidth
■ Temperature compensated logarithmic Received Signal Strength Indicator (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
■ Internal op amps with rail-to-rail outputs
■ ESD protection exceeds 2000 V HBM per JESD22-A114 and 1000 V CDM per JESD22-C101
■ Latch-up testing is done to JEDEC Standard JESD78 Class II, Level B

Applications
■ Cordless telephones

 

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