PT4308
Description
The PT4308 is a pact, fully integrated OOK ／ ASK receiver with ±4 KV ESD（HBM）protection for 433.92 MHz frequency band and requires few external ponents. The PT4308 consists of a low-noise amplifier （LNA）, an image-rejection mixer（IRM）, a built-in channel-select filter （CSF）, an OOK／ASK demodulator, a data filter, and a data slicing parator.
Key Features
- Normal operating of 4.3 mA at 433.92 MHz
- Achieves sensitivity of –114 dBm （peak ASK signal level）
- Supply voltage range: 2.1 to 5.5 V
- Supports data rates up to 10 Kb／s
- Wide input dynamic range with automatic gain control handling
- Image-rejection ratio of 25 dB
