SI4322-A1-FT Silicon Laboratories Inc, SI4322-A1-FT Datasheet - Page 18

• Manufacturer Part Number: SI4322-A1-FT
• Description: IC RCVR FSK 915MHZ 3.8V 16-TSSOP
• Manufacturer: Silicon Laboratories Inc
• Type: FSK Receiverr

Specifications of SI4322-A1-FT

• Package / Case: 16-TSSOP
• Frequency: 868MHz, 915MHz
• Sensitivity: -104dBm
• Data Rate - Maximum: 256 kbps
• Modulation Or Protocol: FSK
• Applications: Remote Control, RKE, Security Systems
• Current - Receiving: 14mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Features: RSSI Equipped
• Voltage - Supply: 2.2 V ~ 3.8 V
• Operating Frequency: 915 MHz
• Operating Supply Voltage: 2.5 V, 3.3 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Supply Current: 12 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Operating Temperature: -
• Memory Size: -
• Lead Free Status / Rohs Status: Supplier Unconfirmed
• Other names: 336-1628-5

Si4322
5.4. Frequency Setting Command
5.5. Receiver Setting Command
Bit 7:6 <d1 : d0>: Select the VDI (valid data indicator) signal:
18
The 12-bit parameter F (bits f11 to f0) should be in
the range of 96 and 3903. When F is out of range,
the previous value is kept. The synthesizer center
frequency f
f
0
= 10 x N x (C + F/4000) [MHz]
Bit
Bit
15
15
1
1
0
can be calculated as follows:
14
14
0
1
433 MHz
868 MHz
915 MHz
Band
13
13
1
0
12
12
0
0
f11 f10
Min Frequency
11
11
0
400.96 MHz
801.92 MHz
881.92 MHz
d1
0
0
1
1
10
10
0
d0
0
1
0
1
f9
9
9
0
f8
8
8
0
Data Quality Detector Output (DQD)
Digital RSSI Out (DRSSI)
The constants N and C are determined by the selected band:
Band [MHz]
433
868
915
d1
Rev. 1.2
f7
7
7
Clock Recovery Lock
Max Frequency
878.06 MHZ
439.03 MHz
958.06 MHz
Always High
VDI output
d0
f6
6
6
g1
f5
5
5
N
4
8
8
g0
f4
4
4
r2
f3
3
PLL Frequency Step
3
C
10
10
11
f2
r1
2
2
10 kHz
20 kHz
20 kHz
f1
r0
1
1
en
f0
0
0
AD57h
C080h
POR
POR