TDA18250HN Description
The TDA18250 is a silicon tuner IC designed specifically for high definition cable Set-Top Boxes (STB) supporting single streaming. Used in conjunction with a digital channel demodulator, the TDA18250 covers all worldwide digital cable standards. The TDA18250 ensures a low system cost as:.
TDA18250HN Key Features
- RF frequency coverage up to 1002 MHz
- Integrated wideband gain control
- LOW IF (LIF) output
- Single 3.3 V power supply
- Low power consumption
- Multistandard cable receptions
- Fully integrated IF selectivity, eliminating the need for external SAW filters
- RF Loop-Through (LT)
- Enhanced RF and IF filters to increase selectivity and adjacent channels filtering
- Alignment free
TDA18250HN Applications
- Supports 2 tuner functions specifically aimed for PVR boxes: 1 RF output to drive slave tuner
- I2C-bus provides: 3.3 V microcontroller patibility Received Signal Strength Indicator (RSSI) data access Die temperature sensor data access