STW81102ATR STMicroelectronics, STW81102ATR Datasheet - Page 22
STW81102ATR
Manufacturer Part Number
STW81102ATR
Description
IC SYNTHESIZER MULTI RF 28VFQFPN
Manufacturer
STMicroelectronics
Type
Frequency Synthesizerr
Datasheet
1.STW81102AT.pdf
(53 pages)
Specifications of STW81102ATR
Pll
Yes
Input
Clock, Crystal
Output
Clock, Crystal
Number Of Circuits
1
Ratio - Input:output
3:2
Differential - Input:output
No/No
Frequency - Max
4.65GHz
Divider/multiplier
Yes/No
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
28-VFQFN, 28-VFQFPN
Frequency-max
4.65GHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
STW81102ATR
Manufacturer:
ST
Quantity:
3 000
Circuit description
Note:
22/53
Table 7.
The current is output on pin ICP. During VCO auto-calibration, the ICP and VCTRL pins are
forced to VDD/2
Figure 18. Loop filter connection
CPSEL2
0
0
0
0
1
1
1
1
VDD
Current value vs. selection
CPSEL1
0
0
1
1
0
0
1
1
BUF
BUF
CPSEL0
0
1
0
1
0
1
0
1
Charge
Pump
Current
2*I
3*I
4*I
5*I
6*I
7*I
8*I
I
MIN
MIN
MIN
MIN
MIN
MIN
MIN
MIN
Cal bit
VCTRL
ICP
Value for REXT=4.7 KΩ
C3
0.5 mA
1.0 mA
1.5 mA
2.0 mA
2.5 mA
3.0 mA
3.5 mA
4.0 mA
R1
C1
STW81102
R3
C2