SI4421-A1-FT Silicon Laboratories Inc, SI4421-A1-FT Datasheet - Page 5

• Manufacturer Part Number: SI4421-A1-FT
• Description: IC TXRX FSK 915MHZ 3.8V 16-TSSOP
• Manufacturer: Silicon Laboratories Inc

Specifications of SI4421-A1-FT

• Package / Case: 16-TSSOP
• Frequency: 433MHz, 868MHz, 915MHz
• Data Rate - Maximum: 256kbps
• Modulation Or Protocol: FSK
• Power - Output: 7dbm
• Sensitivity: -110dBm
• Voltage - Supply: 2.2 V ~ 3.6 V
• Current - Receiving: 15mA
• Current - Transmitting: 28mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Number Of Receivers: 2
• Number Of Transmitters: 2
• Wireless Frequency: 433 MHz to 915 MHz
• Interface Type: SPI
• Output Power: 5 dBm to 7 dBm
• Operating Supply Voltage: 2.2 V to 3.8 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Maximum Supply Current: 25 mA
• Minimum Operating Temperature: - 40 C
• Modulation: FSK
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Applications: -
• Memory Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1631-5

Internal Pin Connections
Pin
1
2
3
4
5
6
7
8
9
Name
DATA
DLCK
nSEL
nFFS
nIRQ
SCK
SDO
CFIL
FFIT
FSK
CLK
REF
XTL
SDI
Internal connection
PAD
PAD
VDD
VDD
VSS
VSS
1.5k
10
Pin
10
11
12
13
14
15
16
ARSSI
Name
nRES
nINT
VSS
VDD
RF2
RF1
VDI
Internal connection
Si4421
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