SI4133T-BM Silicon Laboratories Inc, SI4133T-BM Datasheet - Page 32

• Manufacturer Part Number: SI4133T-BM
• Description: IC RF SYNTHESIZER DUAL 28MLP
• Manufacturer: Silicon Laboratories Inc
• Type: Frequency Synthesizerr

Specifications of SI4133T-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

Aero
Register 11h. Configuration (Si4201)
32
Name
17:14
Bit
13:11
Bit
3:1
10
9
8
7
6
5
4
0
D17 D16 D15 D14 D13 D12 D11 D10
0
DPDS[2:0]
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
0
Name
XPD1
XSEL
CSEL
0
0
Program to zero.
Data Path Delayed Start.
111= Use for GSM 850 and GSM 900 bands.
011= Use for DCS 1800 and PCS 1900 bands (default).
Note: Use the recommended setting for each band. Other settings reserved.
Reference Buffer Powerdown.
0 = Reference buffer automatically enabled (default).
1 = Reference buffer disabled.
Note: This bit should be set to 0 during normal operation. To achieve lowest Si4201
Program to one.
Reference Frequency Select.
0 = No divider. XIN = 13 MHz (default).
1 = Divide XIN by 2. XIN = 26 MHz.
Note: The internal clock should always be 13 MHz.
Program to zero.
Program to one.
Program to zero.
Program to one.
Program to zero.
Digital IIR Coefficient Select.
0 = High selectivity filter (default).
1 = Low selectivity filter.
powerdown current (I
must also be set appropriately.
DPDS[2:0]
XPD1
Rev. 1.4
PDN1
D9
1
), this bit should be set to 1. The XBUF bit in Register 12h
XSEL
D8
Function
D7
0
D6
1
D5
0
D4
1
D3
0
D2
0
D1
0
CSEL
D0