SI4122G-BM Silicon Laboratories Inc, SI4122G-BM Datasheet - Page 23

• Manufacturer Part Number: SI4122G-BM
• Description: IC SYNTHESIZER GSM RF2/IF 28MLP
• Manufacturer: Silicon Laboratories Inc
• Type: Frequency Synthesizerr

Specifications of SI4122G-BM

• 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: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Frequency-max: 1.5GHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 336-1105

Register 4. RF2 N-Divider Address Field = A[3:0] = 0100
Register 5. IF N-Divider Address Field (A[3:0]) = 0101
Name
Name
Bit
16:0
Bit
Bit
17
17:16
15:0
Bit
D17 D16 D15 D14 D13 D12 D11 D10
D17 D16 D15 D14 D13 D12 D11 D10 D9
0
0
N
Reserved
RF2
Name
0
[16:0]
Reserved
N
Name
IF
[15:0]
Program to zero.
N-Divider for RF2 Synthesizer.
Register reserved for Si4123G. Writes to this register can result in unpredictable
behavior.
Program to zero.
N-Divider for IF Synthesizer.
Register reserved for Si4113G. Writes to this register can result in
unpredictable behavior.
Rev. 1.4
D9
N
RF2
D8
N
D8
[16:0]
IF
Function
[15:0]
D7
D7
Function
D6
D6
D5
D5
D4
D4
D3
D3
Si4133G
D2
D2
D1
D1
D0
D0
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