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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 c...

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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-...

U2785B Data Sheet

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Part Number:
U2785B
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



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


Pinout

Connection Diagram


Specifications

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




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 U2785B for advanced closed-loop modulation concept. No mechanical tuning isnecessary in production.

Electrostatic sensitive device.

Observe precautions for handling.




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