SI4112-BT Silicon Laboratories Inc, SI4112-BT Datasheet - Page 22

• Manufacturer Part Number: SI4112-BT
• Description: IC SYNTHESIZER IF ONLY 24TSSOP
• Manufacturer: Silicon Laboratories Inc
• Type: Frequency Synthesizerr

Specifications of SI4112-BT

• 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: 24-TSSOP
• Frequency-max: 1GHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

Si4133
Register 0. Main Configuration Address Field = A[3:0] = 0000
22
Name
Bit
17:14
13:12
11:10
9:6
Bit
5
4
3
2
1
0
D17 D16 D15 D14 D13 D12 D11 D10 D9
0
0
AUXSEL
AUTOPDB
IFDIV
Reserved
Reserved
Reserved
Reserved
AUTOK
RFPWR
0
LPWR
Name
[1:0]
0
[1:0]
P
AUXSEL
[1:0]
Program to zero.
Auxiliary Output Pin Definition.
00 = Reserved.
01 = Force output low.
10 = Reserved.
11 = Lock Detect—LDETB.
IF Output Divider.
00 = IFOUT = IFVCO Frequency
01 = IFOUT = IFVCO Frequency/2
10 = IFOUT = IFVCO Frequency/4
11 = IFOUT = IFVCO Frequency/8
Program to zero.
Output Power-Level Settings for IF Synthesizer Circuit.
0 = R
1 = R
Program to zero.
Auto Powerdown.
0 = Software powerdown is controlled by Register 2.
1 = Equivalent to setting all bits in Register 2 = 1.
Auto K
0 = K
1 = K
Program to zero. (Used for extended frequency operation. See AN41 for
more information.)
Program to zero.
P
P
LOAD
LOAD
s are controlled by Register 1.
s are set according to Table 9 on page 18.
IFDIV
P
[1:0]
Setting.
< 500 Ω —normal power mode.
≥ 500 Ω —low power mode.
Rev. 1.4
0
D8
0
D7
0
Function
D6
0
LPWR
D5
D4
0
AUTO
PDB
D3
AUTO
D2
K
P
PWR
D1
RF
D0
0