U2781BMFS, U2783B-AFPG3, U2785B Selling Leads, Datasheet
MFG:tfk Package Cooled:tfk D/C:dc05
U2781BMFS, U2783B-AFPG3, U2785B Datasheet download
Part Number: U2781BMFS
MFG: tfk
Package Cooled: tfk
D/C: dc05
U2781BMFS, U2783B-AFPG3, U2785B
- Table of contents:
Info of U2781BMFS
Info of U2783B-AFPG3
Info of U2785B
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About U2703
PDF/DataSheet Download
Datasheet: U2703
File Size: 182203 KB
Manufacturer: IRF [International Rectifier]
Download : Click here to Download
About U2703
PDF/DataSheet Download
Datasheet: U2703
File Size: 182203 KB
Manufacturer: IRF [International Rectifier]
Download : Click here to Download
About U2785B
PDF/DataSheet Download
Datasheet: U2785B
File Size: 485507 KB
Manufacturer: Atmel
Download : Click here to Download
U2785B General Description
The U2785B is an RF IC for low-power DECT transmitapplications. The SSO28-packaged IC is a complete PLLincluding a 1-GHz prescaler, on-chip frequency doubler,biasing for off-chip VCO, an integrated TX-filter and amodulation compensation circuit for advanced closed-loop modulation concept. No mechanical tuning isnecessary in production.
Electrostatic sensitive device.
Observe precautions for handling.
U2785B Maximum Ratings
|
Parameter |
Symbol |
Value |
Unit |
|
Supply voltage Pins 10, 13 |
VS |
5.0 |
V |
|
Logic input voltage Pins 1, 2, 3, 6, 26, 27 and 28 |
VIN |
0.3 to VS |
v |
|
Junction temperature |
Tjmax |
150 |
°C |
|
Storage temperature |
Tstg |
40 to+ 150 |
°C |
U2785B Features
1-GHz PLL, TX data filter (10.368-MHz /20.736-MHz reference clock), frequency doubler
Low current consumption
Few external components
Supply-voltage range 2.7 V to 4.7 V
Switchable charge-pump current for enhancedswitching time
Two operational amplifiers for active loop filter
Advanced closed-loop modulation (with10.368-MHz / 20.736-MHz reference clock) andopen-loop modulation supported
Low current consumption
Few external components
Supply-voltage range 2.7 V to 4.7 V
Switchable charge-pump current for enhancedswitching time
Two operational amplifiers for active loop filter
Advanced closed-loop modulation (with10.368-MHz / 20.736-MHz reference clock) andopen-loop modulation supported
U2785B Connection Diagram
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