Description
The Si4770/77-A20 broadcast receiver and HD Radio tuner (Si4777 only) employs an advanced, proven digital low-IF architecture to bring outstanding receiver performance to high-performance consumer electronics.

FEATUREs
Worldwide FM band support (64–108 MHz)
Worldwide AM band support (520–1710 kHz)
AM/FM HD Radio support (Si4777 only)
Comprehensive signal quality metrics: RSSI, SNR, multipath interference, frequency offset, adjacent channel RSSI, frequency deviation, and image RSSI
Advanced patented RDS soft decision decoder
Advanced, patented FM channel equalizer for multipath interference
Dynamic AM/FM channel bandwidth control
Programmable AM/FM soft mute
FM stereo-mono blend
FM hi-blend control
AM/FM hi-cut control
AM lo-cut filter
L/R analog and digital (I2S) audio outputs
Digital Low-IF architecture
Frequency synthesizer with fully integrated PLL-VCO
Fully integrated AM/FM front-end including high performance LNA, AGC with integrated resistor and capacitor banks, and RF and IF peak detectors
Integrated crystal oscillator
Digital (I2S) Zero-IF AM/FM I/Q outputs (Si4777 only)
1.2 to 5 V power supplies
QFN 40-pin, 6x6x0.85 mm
   Pb-free/RoHS compliant