STW81100AT-1 STMicroelectronics, STW81100AT-1 Datasheet - Page 9

• Manufacturer Part Number: STW81100AT-1
• Description: IC SYNTHESIZER MULTI RF 28VFQFPN
• Manufacturer: STMicroelectronics
• Type: Frequency Synthesizerr

Specifications of STW81100AT-1

• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

5
The phase noise is measured with the Agilent E5052A Signal Source Analyzer. All the closed-loop mea-
surements are done with f
of -141dBc/Hz @1KHz offset and -146dBc/Hz @10KHz offset.
Figure 4. VCO A (Direct output) open loop
phase noise
Figure 5. VCO A (Direct output) closed loop
phase noise
Typical Performance Characteristics
PFD
= 800 KHz and using a Reference Clock signal at 19.2 MHz with phase noise
Figure 6. VCO B (Direct output) open loop
phase noise
Figure 7. VCO B (Direct output) closed loop
phase noise
STW81100
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