SI4420-D1-FT Silicon Laboratories Inc, SI4420-D1-FT Datasheet - Page 15

• Manufacturer Part Number: SI4420-D1-FT
• Description: IC TXRX FSK 915MHZ 5.4V 16-TSSOP
• Manufacturer: Silicon Laboratories Inc

Specifications of SI4420-D1-FT

• Package / Case: 16-TSSOP
• Frequency: 315MHz, 433MHz, 868MHz, and 915MHz
• Data Rate - Maximum: 256kbps
• Modulation Or Protocol: FSK
• Power - Output: -21dbm
• Sensitivity: -109dBm
• Voltage - Supply: 2.2 V ~ 5.4 V
• Current - Receiving: 15mA
• Current - Transmitting: 26mA
• 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: 315 MHz to 915 MHz
• Interface Type: SPI
• Output Power: 4 dBm to 8 dBm
• Operating Supply Voltage: 2.2 V to 5.4 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: 336-1630-5

Bits 9-8 (d1 to d0): VDI (valid data indicator) signal response time setting:
Bits 7-5 (i2 to i0): Receiver baseband bandwidth (BW) select:
CR_LOCK
CR_LOCK
DRSSI
DRSSI
DQD
DQD
CR_LOCK
d1
0
0
1
1
DQD
i2
0
0
0
0
1
1
1
1
d0
SET
CLR
0
1
0
1
i1
0
0
1
1
0
0
1
1
R/S FF
Q
i0
0
1
0
1
0
1
0
1
Response
Always on
Medium
Slow
Fast
BW [kHz]
reserved
reserved
400
340
270
200
134
67
LOGIC HIGH
MEDIUM
SLOW
FAST
d0
d1
SEL1
SEL0
IN0
IN1
IN2
IN3
MUX
Y
VDI
Si4420
15