Datasheet Details
| Part number | Si4731-B20 |
|---|---|
| Manufacturer | Silicon Laboratories |
| File Size | 346.57 KB |
| Description | BROADCAST MULTI-BAND RADIO RECEIVER |
| Datasheet | Si4731-B20 Si4730-B20 Datasheet (PDF) |
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Overview: Si4730/31-B20 BROADCAST AM/FM RADIO RECEIVER.
This datasheet includes multiple variants, all published together in a single manufacturer document.
| Part number | Si4731-B20 |
|---|---|
| Manufacturer | Silicon Laboratories |
| File Size | 346.57 KB |
| Description | BROADCAST MULTI-BAND RADIO RECEIVER |
| Datasheet | Si4731-B20 Si4730-B20 Datasheet (PDF) |
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The Si4730/31 is the first digital CMOS AM/FM radio receiver IC that integrates the complete tuner function from antenna input to audio output.
NCe-d3f1o-r34N-e3w5-DDe6si0gns GPO1 GPO2/INT GPO3/DCLK Ordering Information: See page 29.
Pin Assignments Si4730/31-GM (Top View) DFS NC 1 FMI 2 RFGND 3 AMI 4 RST 5 6 20 19 18 17 16 15 DOUT GND PAD 14 LOUT 13 ROUT 12 GND 7 8 9 10 11 VDD Functional Block Diagram AMI AM ANT RFGND FM ANT FMI 2.7– 5.5 V VDD GND LNA AGC LNA AGC LDO Si473x RDS (Si4731) LOW-IF DIGITAL AUDIO (Si4731) DOUT DFS GPO/DCLK ADC DAC DSP ADC DAC ROUT LOUT AFC CONTROL INTERFACE VIO 1.5–3.6 V Patents pending Notes: 1.
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| Part Number | Description |
|---|---|
| Si4731-B20 | BROADCAST AM/FM RADIO RECEIVER |
| Si4731-D50 | BROADCAST AM/FM RADIO RECEIVER |
| Si4731-D60 | BROADCAST AM/FM/SW/LW RADIO RECEIVER |
| Si4730-B20 | BROADCAST MULTI-BAND RADIO RECEIVER |
| Si4730-B20 | BROADCAST AM/FM RADIO RECEIVER |
| Si4730-D50 | BROADCAST AM/FM RADIO RECEIVER |
| Si4730-D60 | BROADCAST AM/FM/SW/LW RADIO RECEIVER |
| Si4734-B20 | BROADCAST AM/FM/SW/LW RADIO RECEIVER |
| Si4734-D60 | BROADCAST AM/FM/SW/LW RADIO RECEIVER |
| Si4735-B20 | BROADCAST AM/FM/SW/LW RADIO RECEIVER |