SI4421-A1-FT Silicon Laboratories Inc, SI4421-A1-FT Datasheet - Page 38

• 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

Receiver Sensitivity over Ambient Temperature (433 MHz, 2.4 kbps,
Receiver Sensitivity over Ambient Temperature (868 MHz, 2.4 kbps,
-100
-103
-106
-109
-112
-115
-100
-103
-106
-109
-112
-115
-50
-50
-25
-25
0
0
434 MHz
Celsius
Celsius
868 MHz
25
25
50
50
75


75
f
f
FSK
FSK
: 45 kHz, BW: 67 kHz):
: 45 kHz, BW: 67 kHz):
100
100
2.2V
2.7V
3.3V
3.8V
2.2V
2.7V
3.3V
3.8V
Si4421
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