SL2055 Description
The SL 2055 is bipolar IC for receiving preamplifier of infrared remote control system. It consists of a head amplifier, a limiter, a band pass filter, a signal waveform detector, and a waveform rectifier, etc.
SL2055 Key Features
- Built-in filter enable to vary center frequency by an external resistance (fo=30KHz to 80KHz, 38KHz typ.)
- Possible to direct connection to a photo diode
- Open collector output(directly connectable to TTL and CMOS)
- Internal pull-up resistance and power filter resistance(low-capacitance)
- Less chances of malfunction associated with a high frequency lighting floure internal trap circuit
- 3dB Bandwidth Vin=30µVPP