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SA58641 - High performance mixer FM-IF

Description

The SA58641 is a high performance monolithic FM IF system with high-speed RSSI incorporating a mixer/oscillator, two limiting intermediate frequency amplifiers, quadrature detector, logarithmic Received Signal Strength Indicator (RSSI), voltage regulator, wideband data output and fast RSSI op amps.

Features

  • Wideband data output (600 kHz minimum).
  • Fast RSSI rise and fall times.
  • Low power consumption: 7.5 mA typical at 5 V.
  • Mixer input to >500 MHz.
  • Mixer noise figure of 12 dB at 240 MHz.
  • Crystal oscillator effective to 150 MHz (LC oscillator to 1 GHz local oscillator can be injected).
  • 92 dB of IF amp/limiter gain.
  • 25 MHz limiter small signal bandwidth.
  • Temperature compensated logarithmic RSSI with a dynamic range in excess of 90 dB.
  • RSSI output inter.

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Datasheet preview – SA58641

Datasheet Details

Part number SA58641
Manufacturer NXP
File Size 1.85 MB
Description High performance mixer FM-IF
Datasheet download datasheet SA58641 Datasheet
Additional preview pages of the SA58641 datasheet.

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Full PDF Text Transcription

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SA58641 High performance mixer FM IF system with high-speed RSSI Rev. 2 — 9 March 2012 Product data sheet 1. General description The SA58641 is a high performance monolithic FM IF system with high-speed RSSI incorporating a mixer/oscillator, two limiting intermediate frequency amplifiers, quadrature detector, logarithmic Received Signal Strength Indicator (RSSI), voltage regulator, wideband data output and fast RSSI op amps. The SA58641 is available in 20-lead SSOP (Shrink Small Outline Package). The SA58641 was designed for high bandwidth portable communication applications and will function down to 3 V. The RF section is similar to the famous SA605. The data output has a minimum bandwidth of 600 kHz. This is designed to demodulate wideband data. The RSSI output is amplified.
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