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U6225B-FPG3 Datasheet

  • U6225B-FPG3

  • 2.9 GHz PLL for SAT TV Receiver with Universal Bus

  • 12頁

  • TEMIC

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TELEFUNKEN Semiconductors
U6225B
2.9 GHz PLL for SAT TV Receiver with Universal Bus
Description
The U6225B is a single chip PLL for SAT-TV tuners. It
contains on one chip all functions required for PLL con-
trol of a VCO. This IC also contains a high frequency
prescaler and can handle frequencies up to 2.9 GHz.
The U6225B has a fixed reference divider of 512, while
the U6223B has a programmable 256/ 512/ 1024
reference divider.
Features
D
2.9 GHz divide-by-16 prescaler integrated
D
Universal bus:
I
2
C-bus
or
3-wire-bus
I
2
C-bus software compatible
to U6204B
3-wire-bus software compatible to
U6358B (19 bit)
Benefits
D
Only one device for 3-wire bus applications and I
2
C-
bus applications necessary (universal bus)
D
High input frequency of 2.9 GHz applicable for all
TV-satellites
D
I
2
C-bus mode:
5 switching outputs (open collector)
4 addresses selectable at pin 10 for
multituner application
D
3-wire-bus mode:
4 switching outputs (open collector)
Locksignal output (open collector)
D
Low power consumption (typical 5 V / 23 mA)
D
Electrostatic protection according to MIL-STD 883
Ordering Information
Extended Type Number
U6225B-FPG3
Package
SO16
Remarks
Taped and reeled
Rev. A1: 25.10.1995
1 (12)

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