SI4122-D-GTR Silicon Laboratories Inc, SI4122-D-GTR Datasheet - Page 24
![IC SYNTHESIZER RF2/IF 24TSSOP](/photos/6/54/65473/336-24-tssop_sml.jpg)
SI4122-D-GTR
Manufacturer Part Number
SI4122-D-GTR
Description
IC SYNTHESIZER RF2/IF 24TSSOP
Manufacturer
Silicon Laboratories Inc
Type
Frequency Synthesizerr
Datasheet
1.SI4112-D-GT.pdf
(36 pages)
Specifications of SI4122-D-GTR
Pll
Yes
Input
Clock
Output
Clock
Number Of Circuits
1
Ratio - Input:output
1:2
Differential - Input:output
No/No
Frequency - Max
1.5GHz
Divider/multiplier
Yes/No
Voltage - Supply
2.7 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
24-TSSOP
Frequency-max
1.5GHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Si4133
Register 2. Powerdown Address Field (A[3:0]) = 0010
Register 3. RF1 N-Divider Address Field (A[3:0]) = 0011
Register 4. RF2 N-Divider Address Field = A[3:0] = 0100
24
Note: Enabling any PLL with PDIB or PDRB automatically powers on the reference amplifier.
Name
Name
Name
Bit
Bit
16:0
Bit
17:0
Bit
17
Bit
17:2
Bit
1
0
D17 D16 D15 D14 D13 D12 D11 D10
D17 D16 D15 D14 D13 D12 D11 D10
D17 D16 D15 D14 D13 D12 D11 D10 D9
0
0
N
Reserved
N
RF2
Name
RF1
Name
0
[16:0]
[17:0]
Reserved
0
Name
PDRB
PDIB
0
Program to zero.
N-Divider for RF2 Synthesizer.
N-Divider for RF1 Synthesizer.
0
0
Program to zero.
Powerdown IF Synthesizer.
0 = IF synthesizer powered down.
1 = IF synthesizer on.
Powerdown RF Synthesizer.
0 = RF synthesizer powered down.
1 = RF synthesizer on.
0
0
Rev. 1.61
0
N
D9
D9
RF1
N
D8
RF2
[17:0]
0
D8
D8
[16:0]
D7
Function
Function
0
D7
D7
D6
Function
0
D6
D6
D5
0
D5
D5
D4
0
D4
D4
D3
0
D3
D3
D2
0
D2
D2
PDIB PDRB
D1
D1
D1
D0
D0
D0