SI4731-C40-GU Silicon Laboratories Inc, SI4731-C40-GU Datasheet - Page 30

• Manufacturer Part Number: SI4731-C40-GU
• Description: IC RX AMFM RADIO RDS 24SSOP
• Manufacturer: Silicon Laboratories Inc

Specifications of SI4731-C40-GU

• Frequency: 520kHz ~ 1.71MHz, 64MHz ~ 108MHz
• Modulation Or Protocol: AM, FM
• Applications: General Purpose
• Current - Receiving: 19.9mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Features: RSSI Equipped
• Voltage - Supply: 2 V ~ 5.5 V
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 24-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Sensitivity: -
• Memory Size: -
• Data Rate - Maximum: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

Si4730/31-C40
8. Pin Descriptions: Si4730/31-GU
30
Pin Number(s)
13,14
10,11
6,7
12
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
8
9
GPO3/DCLK
GPO2/INT
RFGND
DOUT
ROUT
Name
GPO1
RCLK
DBYP
LOUT
SCLK
SDIO
GND
SEN
DFS
RST
AMI
V
FMI
NC
NC
V
DD
IO
Digital output data in digital output mode.
Digital frame synchronization input in digital output mode.
General purpose output, crystal oscillator, or digital bit synchronous clock input
in digital output mode.
General purpose output or interrupt pin.
General purpose output.
No connect. Leave floating.
FM RF inputs. FMI should be connected to the antenna trace.
RF ground. Connect to ground plane on PCB.
Unused. Tie these pins to GND.
AM RF input. AMI should be connected to the AM antenna.
Ground. Connect to ground plane on PCB.
Device reset (active low) input.
Serial enable input (active low).
Serial clock input.
Serial data input/output.
External reference oscillator input.
I/O supply voltage.
Supply voltage. May be connected directly to battery.
Dedicated bypass for V
Right audio line output in analog output mode.
Left audio line output in analog output mode.
GPO3/DCLK
GPO2/INT
RFGND
DOUT
GPO1
DFS
FMI
AMI
NC
NC
NC
NC
10
11
12
1
2
3
4
5
6
7
8
9
Rev. 1.0
DD
and V
24
23
22
21
20
19
18
17
16
15
14
13
IO
Description
.
ROUT
DBYP
VDD
LOUT
VIO
RCLK
SDIO
SCLK
SEN
RST
GND
GND