SI4123-BM Silicon Laboratories Inc, SI4123-BM Datasheet - Page 31

• Manufacturer Part Number: SI4123-BM
• Description: IC SYNTH RF1/IF SNGL-BAND 28MLP
• Manufacturer: Silicon Laboratories Inc
• Type: Frequency Synthesizerr

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

Ordering Guide
Si4133 Derivative Devices
The Si4133 performs both IF and dual-band RF frequency synthesis. The Si4112, Si4113, Si4122, and the Si4123
are derivatives of this device. Table 15 outlines which synthesizers each derivative device features and the pins
and registers that coincide with each synthesizer.
Si4122
Si4123
Si4133
Si4112
Si4113
Name
Ordering Part
RF1, RF2, IF
Synthesizer
Si4133-BM
Si4123-BM
Si4122-BM
RF1, RF2
Si4113-BM
Si4112-BM
Si4133-BT
Si4123-BT
Si4122-BT
Si4113-BT
Si4112-BT
RF2, IF
RF1, IF
Number
IF
RFLA, RFLB, RFLC, RFLD,
RFLA, RFLB, RFLC, RFLD
RFLC, RFLD, IFLA, IFLB
RFLA, RFLB, IFLA, IFLB
IFLA, IFLB
IFLA, IFLB
Table 15. Si4133 Derivatives
Pins
RF1/RF2/IF OUT
RF1/RF2/IF OUT
Description
RF1/IF OUT
RF1/IF OUT
RF2/IF OUT
RF2/IF OUT
RF1 OUT
RF1 OUT
IF OUT
IF OUT
Rev. 1.4
N
N
N
N
RF2
RF1
N
RF1
RF1
IF
, R
, R
, R
, N
, N
IF
RF2
RF1
RF2
RF2
, PDIB, IFDIV, LPWR, AUTOPDB = 0,
, PDRB, N
, PDRB, N
, R
, R
RF1
Operating Temperature
RF1
IFDIV, LPWR
, R
, R
Registers
PDRB = 0
PDIB = 0
–40 to 85
–40 to 85
–40 to 85
–40 to 85
–40 to 85
–40 to 85
–40 to 85
–40 to 85
–40 to 85
–40 to 85
RF2
RF2
IF
IF
, R
, R
, PDRB, AUTOPDB = 0,
, PDRB, N
IF
IF
, PDIB, IFDIV, LPWR
, PDIB, IFDIV, LPWR
º
º
º
º
º
º
º
º
º
º
C
C
C
C
C
C
C
C
C
C
IF
Si4133
, R
IF
, PDIB,
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