STW81101AT STMicroelectronics, STW81101AT Datasheet - Page 7

• 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

STW81101
1.2
Pin configuration
Figure 2.
Table 1.
Pin No
1
2
3
4
5
6
7
8
9
VDD_OUTBUF
VDD_VCOA
VDD_DIV2
OUTBUFN
VDD_DIV4
OUTBUFP
VDD_VCOB
VDD_VCOA
VDD_DIV2
VDD_OUTBUF
OUTBUFP
OUTBUFN
VDD_DIV4
VDD_VCOB
VDD_ESD
VCTRL
Pin connection (top view)
Pin description
Name
VCOA power supply
Divider by 2 power supply
Output buffer power supply
LO buffer positive output
LO buffer negative output
Divider by 4 power supply
ESD positive rail power supply
VCO control voltage
VCOB power supply
VFQFPN28
QFN 28
Description
Block diagram and pin configuration
VDD_BUFVCO
EXTVCO_INP
EXTVCO_INN
DBUS_SEL
Open collector
Open collector
REF_CLK
VDD_PLL
TEST2
Observation
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