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SP5658SKGMP2T Datasheet

  • SP5658SKGMP2T

  • 2.7GHz 3-Wire Bus Controlled Frequency Synthesiser

  • 284.75KB

  • 14頁(yè)

  • MITEL

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SP5658
2.7GHz 3-Wire Bus Controlled Frequency Synthesiser
Advance Information
Supersedes October 1996 Media IC Handbook HB3923-2
DS4064 - 4.1 March 1998
The SP5658 is a single chip frequency synthesiser
designed for tuning systems up to 2.7GHz.
The RF preamplifer contains a divide by two prescaler
which can be disabled for applications up to 2GHz so enabling
a step size equal to the comparison frequency up to 2GHz and
twice the comparison frequency up to 2.7GHz.
Comparison frequencies are obtained either from a crystal
controlled on鈥揷hip oscillator or from an external source.
The device contains two switching ports, in the 14 pin
version and four in the 16 pin, together with an 鈥樷€榠n鈥搇ock鈥?flag
output. The device also contains a varactor line disable and
charge pump disable facility.
CHARGE PUMP
CRYSTAL
DISABLE
ENABLE
DATA
CLOCK
PORT P1/OC
1
14
DRIVE
V
EE
SP5658F
RF INPUT
RF INPUT
V
CC
LOCK
PORT P0/OP
MP14
FEATURES
s
Complete 2.7GHz single chip system
s
Optimised for low phase noise
s
Selectable divide by two prescaler
s
Selectable reference division ratio
s
Charge pump disable
s
Varactor line disable
s
鈥業(yè)n鈥搇ock鈥?flag
s
Two switching ports in 14 pin version
s
Four switching ports in 16 pin version
s
Pin compatible with SP5659 I 2 C bus low
phase noise synthesiserPP
s
ESD protection (Normal ESD handling procedures
should be observed)
APPLICATIONS
s
SAT, TV, VCR and Cable tuning systems
s
Communications systems
CHARGE PUMP
CRYSTAL
1
16
DRIVE
V
EE
ENABLE
DATA
CLOCK
PORT P3
PORT P2
SP5658S
DISABLE
RF INPUT
RF INPUT
V
CC
LOCK
PORT P0/OP
PORT P1/OC
MP16
Fig. 1 Pin connections 鈥?top view
ORDERING INFORMATION
SP5658F/KG/MP1S (Tubes, 14 lead SO)
SP5658S/KG/MP2S (Tubes, 16 lead SO)
SP5658F/KG/MP1T (Tape and Mounted)
SP5658S/KG/MP2T (Tape and Mounted)

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