Description
The CXA1511L/M is a bipolar IC used for preamplifiers that receive signals in infrared remote control systems. These ICs consist of a first-stage amplifier, limiter amplifier, band-pass filter, band elimination filter, signal waveform detection circuit and waveform shaping circuit.

Features
• Low power consumption (VCC = 5V, 9mW typ.)
• Low supply voltage (VCC = 5V)
• Filters (center frequency can be varied through external resistor: fo = 30kHz to 60kHz, 40kHz typ.)
• Elimination of inductors prevents magnetic field inductance interference.
• Optical reception diode can be coupled directly.
• Collector output (pull-up resistor, TTL and CMOS can be connected directly)

Applications
    TVs, VCRs, audio equipment