TEA6821T
FEATURES
General
- FM mixer for conversion from FM IF1 = 72.2 MHz to FM IF2 = 10.7 MHz
- AM mixer for conversion from AM IF1 = 10.7 MHz to AM IF2 = 450 k Hz
- FM IF gain stage
- Crystal oscillator providing mixer frequencies and references for IF count and stereo decoder
- FM quadrature demodulator with automatic centre frequency adjust and THD pensation
- Level and multipath and noise detectors
- Soft mute
- Stereo noise cancelling and variable de-emphasis
- PLL stereo decoder
- Noise blanker
- AM IF amplifier and demodulator
- I2C-bus transceiver
- IF count for AM and FM
- Reference frequency generation for PLL synthesizer
- Reduced external ponents
- SW applicable. QUICK REFERENCE DATA SYMBOL Vs1 Vs1 Is1 Is1 Vs2 Vs2 Is2 Is2 S+N/N THD S+N/N THD α Tamb PARAMETER supply voltage 1 (pins 56 and 28) operating range supply current 1 FM supply current 1 AM supply voltage 2 (pin 5) operating range supply current 2 FM supply current 2 AM signal-to-noise AM distortion AM signal-to-noise FM...
