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产品名称：TDA7540N
产品封装：LQFP-80
产品品牌：STMicroelectronics
PDF文档：下载
库 存：查看
电 话：0755-83035811
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产品介绍
TDA7540N
Features
- FM-part
- RF AGC generation by RF and IF detection
- I/Q mixer for 1st FM IF 10.7MHz with image rejection
- Internal 450KHz bandpass filter with bandwidth control by ISS
- Fully integrated FM-demodulator with spike cancellation
- AM-part
- Wide and narrow AGC generation
- Mixer for 1st IF 10.7MHz, AM upconversion
- Mixer for 2nd IF 450kHz, AM downconversion
- Integrated AM-demodulator
- AM IF- and audio noise blanking
- Stereodecoder
- PLL with adjustment free, fully integrated VCO
- Automatic pilot dependent mono/stereo switching
- Programmable ROLL-OFF compensation
- High cut and stereo blend-characteristics programmable
- Internal noise blanker with several threshold controls
- Additional features
- VCO for world tuning range
- High performance fast PLL for RDS-System
- IF counter for FM and AM with search stop signal
- Quality detector for level, deviation, adjacent channel and multipath
- ISS (intelligent selectivity system) for cancellation of adjacent channel and noise influences
- Fully electronic alignment
- All functions I2C-Bus controlled
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