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SA647 Datasheet Low-voltage digital IF receiver

Manufacturer: Philips Semiconductors (now NXP Semiconductors)

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General Description

The SA647 is a low-voltage high performance monolithic digital system with high-speed RSSI incorporating a mixer, oscillator with buffered output, two limiting intermediate frequency amplifiers, fast logarithmic received signal strength indicator (RSSI), voltage regulator, RSSI op amp and power down pin.

The SA647 is available in TSSOP (thin shrink small outline package).

The SA647 was designed for portable digital communication applications and will function down to 2.7V.

Overview

INTEGRATED CIRCUITS SA647 Low-voltage digital IF receiver Product specification 1998 Aug 10 Philips Semiconductors Philips Semiconductors Product specification Low-voltage digital IF receiver.

Key Features

  • VCC = 2.7 to 5.5V.
  • Low power receiver (5.3mA @ 3V).
  • Power down mode (ICC = 110µA).
  • Fast RSSI rise and fall times.
  • Extended RSSI range with temperature compensation.
  • RSSI op amp.
  • 2MHz limiter small signal bandwidth.
  • Filter matching (1.5kΩ).
  • Differential limiter output.
  • Oscillator buffer.
  • TSSOP-20 package.

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