SI4430-B1-FMR Silicon Laboratories Inc, SI4430-B1-FMR Datasheet - Page 16

• Manufacturer Part Number: SI4430-B1-FMR
• Description: IC TXRX 900-960MHZ -8-13DB 20QFN
• Manufacturer: Silicon Laboratories Inc

Specifications of SI4430-B1-FMR

• Mfg Application Notes: Transitioning SI4430/31 to Rev B
• Frequency: 900MHz ~ 960MHz
• Data Rate - Maximum: 256kbps
• Modulation Or Protocol: ISM
• Applications: General Purpose
• Power - Output: 13dBm
• Sensitivity: -121dBm
• Voltage - Supply: 1.8 V ~ 3.6 V
• Current - Receiving: 18.5mA
• Current - Transmitting: 30mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-VQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -

Si4430/31/32-B1
16
supply voltage
1
2
3
TR & ANT-DIV
C3
Supply Voltage
Switch
L4
Figure 1. Si4430/31 RX/TX Direct-Tie Application Example
Figure 2. Si4432 Antenna Diversity Application Example
C2
6
5
4
L3
100p
C6
L6
100 p
C6
C3
C5
L3
100n
C7
L2
L5
C4
C5
C4
100 n
C7
C2
L4
L2
1u
C8
C1
Programmable load capacitors for X1 are integrated.
L1-L6 and C1-C5 values depend on frequency band, antenna
impedance, output power and supply voltage range.
1 u
C8
L1
C1
VDD_RF
Programmable load capacitors for X1 are integrated.
L1–L4 and C1–C5 values depend on frequency band, antenna
impedance, output power, and supply voltage range.
L1
RXn
RFp
NC
Rev 1.1
TX
VDD_RF
NC
1
3
2
4
5
RXn
RFp
TX
Si4430/31
30MHz
1
3
X1
2
4
5
30 MHz
Si4432
X1
15
14
13
12
11
1u
C9
SCLK
SDI
SDO
VDD_D
NC
15
14
13
12
11
1 u
C9
SCLK
SDI
SDO
VDD_D
NC
GP1
GP2
GP3
GP4
GP5
GP1
GP2
microcontroller
GP3
GP4
GP5
Microcontroller
VDD
VSS
VDD
VSS