SI4112-D-GMR Silicon Laboratories Inc, SI4112-D-GMR Datasheet - Page 25
![IC SYNTHESIZER IF ONLY 28MLP](/photos/6/54/65474/si4112-d-gm_sml.jpg)
SI4112-D-GMR
Manufacturer Part Number
SI4112-D-GMR
Description
IC SYNTHESIZER IF ONLY 28MLP
Manufacturer
Silicon Laboratories Inc
Type
Frequency Synthesizerr
Datasheet
1.SI4112-D-GT.pdf
(36 pages)
Specifications of SI4112-D-GMR
Pll
Yes
Input
Clock
Output
Clock
Number Of Circuits
1
Ratio - Input:output
1:2
Differential - Input:output
No/No
Frequency - Max
1GHz
Divider/multiplier
Yes/No
Voltage - Supply
2.7 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
Frequency-max
1GHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Register 5. IF N-Divider Address Field (A[3:0]) = 0101
Register 6. RF1 R-Divider Address Field (A[3:0]) = 0110
Register 7. RF2 R-Divider Address Field (A[3:0]) = 0111
Name
Name
Name
Bit
Bit
Bit
17:13
17:13
17:16
12:0
12:0
15:0
Bit
Bit
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
0
0
0
R
R
Reserved
Reserved
0
RF1
RF2
Name
Name
[12:0]
[12:0]
Reserved
0
0
N
Name
IF
[15:0]
0
0
Program to zero.
R-Divider for RF1 Synthesizer.
R
Program to zero.
R-Divider for RF2 Synthesizer.
R
RF1
RF2
0
0
can be any value from 7 to 8189 if K
can be any value from 7 to 8189 if K
N-Divider for IF Synthesizer.
Program to zero.
Rev. 1.61
D9
D9
10 to 8189 if K
14 to 8189 if K
10 to 8189 if K
14 to 8189 if K
8 to 8189 if K
8 to 8189 if K
D8
D8
D8
N
IF
[15:0]
Function
Function
D7
D7
D7
R
R
Function
RF1
RF2
P1
P2
P1
P1
P1
P2
P2
P2
D6
D6
D6
[12:0]
[12:0]
= 01
= 01
= 00
= 10
= 11
= 00
= 10
= 11
D5
D5
D5
D4
D4
D4
D3
D3
D3
D2
D2
D2
Si4133
D1
D1
D1
D0
D0
D0
25