STW81101AT STMicroelectronics, STW81101AT Datasheet - Page 8

• Manufacturer Part Number: STW81101AT
• Description: IC SYNTHESIZER MULTI RF 28VFQFPN
• Manufacturer: STMicroelectronics
• Type: Frequency Synthesizer (RF)r

Specifications of STW81101AT

• Pll: Yes
• Input: Clock, Crystal
• Output: Clock, Crystal
• Number Of Circuits: 1
• Ratio - Input:output: 3:2
• Differential - Input:output: No/No
• Frequency - Max: 4.4GHz
• 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: 4.4GHz
• Number Of Elements: 1
• Pll Input Freq (min): 10MHz
• Pll Input Freq (max): 200MHz
• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: -40C to 85C
• Package Type: VFQFPN
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Operating Temperature Classification: Industrial
• Pin Count: 28
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Block diagram and pin configuration
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Table 1.
Pin No
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
ICP
REXT
VDD_CP
TEST1
LOCK_DET
TEST2
REF_CLK
VDD_PLL
EXTVCO_INN
EXTVCO_INP
VDD_BUFVCO
DBUS_SEL
VDD_DBUS
EXT_PD
SDA/DATA
SCL/CLK
ADD0/LOAD
ADD1
ADD2
Pin description (continued)
Name
PLL charge pump output
External resistance connection for
PLL charge pump
Power supply for charge pump
Test input 1
Lock detector
Test input 2
Reference clock input
PLL digital power supply
External VCO negative input
External VCO positive input
Digital Bus Interface select
SPI and I
Power down hardware
‘0’ device ON; ‘1’ device OFF
I2CBUS/SPI data line
I2CBUS/SPI clock line
I2CBUS address select pin/ SPI load
line
I2CBUS address select pin
I2CBUS address select pin
VCO buffer power supply
2
C bus power supply
Description
For test purposes only;
must be connected to
GND
CMOS output
(I
For test purposes only;
must be connected to
GND
For test purposes only;
must be connected to
GND
For test purposes only;
must be connected to
GND
CMOS input
CMOS input
CMOS Bidir Schmitt
triggered (I
CMOS input Schmitt
triggered
CMOS input
CMOS input; must be
connected to GND in
SPI mode
CMOS input; must be
connected to GND in
SPI mode
OUT
=4mA)
Observation
OUT
STW81101
=4mA)