Description
USB FM radio
PDAs
Notebook PCs
Portable navigation
Consumer electronics
The Si4702/03 integrates the complete tuner function from antenna input to stereo audio output for FM broadcast radio reception.Functional Block Diagram
Ordering Information: See page 38.
Pin Assignments (Top View)
Si4702/03-GM
NC GPIO1 GPIO2 GPIO3 VA
NC 1 20 19 18 17 16
FMIP 2
15 GND
RFGND 3 GND 4
GND PAD
14 LOUT 13 ROUT
RST 5
12 GND
6 7 8 9 10 11 VD
SEN SCLK SDIO RCLK
VIO
Hea
Features
- This data sheet applies to Si4702/03-C Firmware 19 and greater.
- Worldwide FM band support (76.
- 108 MHz).
- Digital low-IF receiver.
- Frequency synthesizer with
integrated VCO.
- Seek tuning.
- Automatic frequency control (AFC).
- Automatic gain control (AGC).
- Excellent overload immunity.
- Signal strength measurement.
- Programmable de-emphasis
(50/75 µs).
- Adaptive noise suppression.
- Volume control.
- Line-level analog output.
- 32.7.