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SP5659 Datasheet(PDF) 1 Page - Mitel Networks Corporation

Part No. SP5659
Description  2·7GHz I2C Bus Low Phase Noise Synthesiser
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Maker  MITEL [Mitel Networks Corporation]
Homepage  http://www.mitel.com
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SP5659 Datasheet(HTML) 1 Page - Mitel Networks Corporation

 
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The SP5659 is a single chip frequency synthesiser designed
for tuning systems up to 2·7GHz.
The RF preamplifier drives a divide-by two prescaler which
can be disabled for applications up to 2GHz, allowing direct
interfacing with the programmable divider, resulting in a step
size equal to the comparison frequency. For applications up
to 2·7GHz the divide-by two is enabled to give a step size of
twice the comparison frequency.
The comparison frequency is obtained either from an on-
chip crystal controlled oscillator or from an external source.
The oscillator frequency FREF or the comparison frequency
FCOMP may be switched to the REF/COMP output; this feature
is ideally suited to providing the reference frequency for a
second synthesiser such as in a double conversion tuner (see
Fig. 5).
The synthesiser is controlled via an I2C bus and responds
to one of four programmable addresses which are selected by
applying a specific voltage to the Address input. This feature
enables two or more synthesisers to be used in a system.
The SP5659 contains four switching ports, P0-P3 and a
5-level ADC, the output of which can be read via the I2C bus.
The SP5659 also contains a varactor line disable and
charge pump disable facility.
FEATURES
s Complete 2·7GHz Single Chip System
s Optimised for Low Phase Noise
s Selectable 42 prescaler
s Selectable Reference Division Ratio
s Selectable Reference/Comparison Frequency Output
s Selectable Charge Pump Current
s Varactor Drive Amplifier Disable
s 5-Level ADC
s Variable I2C BUS Address for Multi-tuner Applications
SP5659
2·7GHz I2C Bus Low Phase Noise Synthesiser
Preliminary Information
Supersedes March 1996 version, DS4206-1.8
DS4296 - 2.0 June 1998
SP5659
1
2
3
4
5
6
7
8
MP16
16
15
14
13
12
11
10
9
CHARGE PUMP
CRYSTAL
REF/COMP
ADDRESS
SDA
SCL
PORT P3
PORT P2
DRIVE
VEE
RF INPUT
RF INPUT
VCC
ADC
PORT P0
PORT P1
Fig. 1 Pin connections – top view
s ESD Protection: 4kV, Mil-Std-883C, Method 3015 (1)
s Pin Compatible with SP5658
(1) Normal ESD handling precautions should be observed.
APPLICATIONS
s Satellite TV
s High IF Cable Tuning Systems
THERMAL DATA
uJC = 41°C/W
uJA = 111°C/W
ORDERING INFORMATION
SP5659 KG/MP1S (Tubes)
SP5659 KG/MP1T (Tape and reel)


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