HL3280 Description
The HL3280 is a miniaturized receiver IC for use in the infrared remote control system. It has a wide voltage operating such as 2.7~5.5V, a high sensitivity, and good noise immunity. Wide operating is very suitable to the hand-held battery operating systems, such as electrical toy.
HL3280 Key Features
- Wide operating supply voltage 2.7V ~ 5.5 V
- Built-in internal voltage reference circuit for wide operating
- Maximum interference safety against optical and electrical disturbances
- No external ponents necessary
- The center frequency can be varied with option PADs ( 32.7kHz, 36.7kHz, 37.9kHz, 40kHz, 56.7kHz)
- Internal filter for a high frequency lighting fluorescent lamp
- Open collector output (Open collector output with a pull-up resistor)
- Output active low