SI4123-BM Silicon Laboratories Inc, SI4123-BM Datasheet - Page 23
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SI4123-BM
Manufacturer Part Number
SI4123-BM
Description
IC SYNTH RF1/IF SNGL-BAND 28MLP
Manufacturer
Silicon Laboratories Inc
Type
Frequency Synthesizerr
Datasheet
1.SI4112-BM.pdf
(36 pages)
Specifications of SI4123-BM
Pll
Yes
Input
Clock
Output
Clock
Number Of Circuits
1
Ratio - Input:output
1:2
Differential - Input:output
No/No
Frequency - Max
1.8GHz
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
1.8GHz
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
Other names
336-1107
Register 1. Phase Detector Gain Address Field (A[3:0]) = 0001
*Note: When AUTOK
Name
Bit
17:6
5:4
3:2
1:0
Bit
for programming Phase Detector Gain.
D17 D16 D15 D14 D13 D12 D11 D10 D9
0
0
P
Reserved
= 1, these bits do not need to be programmed. When AUTOK
K
K
0
K
Name
P2
P1
PI
[1:0]
[1:0]
[1:0]
0
0
0
Program to zero.
IF Phase Detector Gain Constant.*
N Value
<2048
2048–4095
4096–8191
>8191
RF2 Phase Detector Gain Constant.*
N Value
<4096
4096–8191
8192–16383
>16383
RF1 Phase Detector Gain Constant.*
N Value
<8192
8192–16383
16384–32767
>32767
0
0
Rev. 1.4
K
= 00
= 01
= 10
= 11
K
= 00
= 01
= 10
= 11
K
= 00
= 01
= 10
= 11
0
PI
P2
P1
D8
0
D7
0
Function
D6
0
P
= 0, use these recommended values
D5
K
PI
[1:0]
D4
D3
K
P2
[1:0]
D2
Si4133
D1
K
P1
[1:0]
D0
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