NJM2551 Datasheet (NJR) - 100MHz Input Mixer and 450MHz FM/AM IF Demodulator IC

NJM2551, 100MHz Input Mixer and 450MHz FM/AM IF Demodulator IC

* PACKAGE OUTLINE The NJM2551 is a FM IF demodulator IC with 450MHz (standard) IF input, which operates from 1.8V supply.

It includes an oscillator, mixer, limiting amplifier, and FM/AM detectors.

NJM2551V * BLOCK DIAGRAM MIX IN 20 V+ 19 AM AGC RF AGC RSSI OUT OUT IN 18 17 16 AM SW 1

NJM2551 Features

* z Low Operating Voltage 1.8V to 9.0V z Low Operating Current FM2.5mA at V+=2V AM4.0mA at V+=2V z Operating Frequency Up to 100MHz (reference value) z IF Input Frequency 450kHz (standard) z Bipolar Technology z Package Outline SSOP20 + AMP RSSI MIXER OSC AMP AGC AM AMP FM AMP FM DET 1 OSC (B