SI4704-C40-GM Silicon Laboratories Inc, SI4704-C40-GM Datasheet - Page 27

• Manufacturer Part Number: SI4704-C40-GM
• Description: IC RX FM RADIO 64-108MHZ 20UQFN
• Manufacturer: Silicon Laboratories Inc

Specifications of SI4704-C40-GM

• Frequency: 64MHz ~ 108MHz
• Modulation Or Protocol: FM
• Applications: General Purpose
• Current - Receiving: 19.9mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Features: RSSI Equipped
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-UQFN, 20-µQFN
• Pin Count: 20
• Screening Level: Commercial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Sensitivity: -
• Memory Size: -
• Data Rate - Maximum: -
• Lead Free Status / Rohs Status: Compliant

6. Pin Descriptions: Si4704/05-GM
Pin Number(s)
12, GND PAD
1, 20
10
11
13
14
15
16
17
18
19
2
3
4
5
6
7
8
9
GPO3/DCLK
GPO2/INT
RFGND
ROUT
DOUT
GPO1
Name
RCLK
LOUT
SCLK
SDIO
GND
SEN
RST
DFS
V
FMI
V
NC
LPI
DD
IO
RFGND
RST
No connect. Leave floating.
FM RF input.
RF ground. Connect to ground plane on PCB.
Loop antenna RF input.
Device reset input (active low).
Serial enable input (active low).
Serial clock input.
Serial data input/output.
External reference or crystal oscillator input.
I/O supply voltage.
Supply voltage. May be connected directly to battery.
Ground. Connect to ground plane on PCB.
Right audio analog line output.
Left audio analog line output.
Digital audio output data.
Digital frame synchronization.
General purpose output/digital bit synchronous clock or crystal oscillator
input.
General purpose output/interrupt.
General purpose output.
FMI
LPI
NC
2
3
4
5
1
6
20
7
19
Rev. 1.0
8
GND
PAD
18
9
17
10
16
11
15 DOUT
14
13
12
Description
LOUT
ROUT
GND
VDD
Si4704/05-C40
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