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SP5055SMP Datasheet

  • SP5055SMP

  • 2.6GHz Bidirectional I2C BUS Controlled Synthesiser

  • 9頁

  • MITEL

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SP5055
2.6GHz Bidirectional I
2
C BUS Controlled Synthesiser
Supersedes version in April 1994 Consumer IC Handbook, HB3120 - 2.0
DS2384 - 4.4 May 1996
The SP5055 is a single chip frequency synthesiser designed
for TV tuning systems. Control data is entered in the standard
I
2
C BUS format. The device contains 4 addressable current
limited outputs and 4 addressable Bi-Directional open collector
ports one of which is a 3 bit ADC. The information on these
ports can be read via the I
2
C BUS. The device has one fixed
I
2
C BUS address and 3 programmable addresses, programmed
by applying a specific input voltage to one of the current limited
outputs. This enables 2 or more synthesisers to be used in a
system.
FEATURES
s
Complete 2.6GHz Single Chip System
s
Programmable via I
2
C BUS
s
Low power consumption (5V 65mA)
s
Low Radiation
s
Phase Lock Detector
s
Varactor Drive Amp Disable
s
6 Controllable Outputs, 4 Bi-Directional
s
5 Level ADC
s
Variable I
2
C BUS Address For Multi Tuner Applications
s
Full ESD Protection*
* Normal ESD handling procedures should be observed.
Fig. 1 Pin connections 鈥?top view
APPLICATIONS
s
Satellite TV
s
High IF Cable Tuning Systems
ORDERING INFORMATION
SP5055S MP -
(16 lead Miniature Plastic package)

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