Product Summary

The UPC1498H is a bipolar integrated circuit intended for application in infrared remote controls. The UPC1498H contains a high-gain amplifier, a limiter amplifier, a band-pass filter, a detector and a pulse shaper. The UPC1498H’s output polarity is active "Low".

Parametrics

UPC1498H absolute maximum ratings: (1)Supply voltage, VCC: 5.6V; (2)Output voltage, VOUT: 15V; (3)Inout voltage, Vin: 5.0Vp-p; (4)Supply current, ICC: 6mA; (5)Output current, Iout: 2.5mA; (6)Power dissipation, PD: 270mW; (7)Operating temperature, TOPR: -20 to 75℃; (8)Storage temperature, TSTG: -40 to 125℃.

Features

UPC1498H features: (1)On-chip band-pass filter: frequency range 30 to 60KHz; (2)High gain pre-amplifier: 86dB typ; (3)Detector for PCM demodulation; (4)Low current consumption; (5)Minimum external components; (6)Open collector output: easy interface to all microcomputer remote control decoders; TTL and CMOS compatible output.

Diagrams

UPC1498H block diagram