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SP5730A/KG/MP2T Datasheet

  • SP5730A/KG/MP2T

  • 1.3 GHz Low Phase Noise Frequency Synthesiser

  • 380.87KB

  • 12頁

  • ZARLINK   ZARLINK

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SP5730
1.3 GHz Low Phase Noise Frequency Synthesiser
Data
Sheet
November 2004
Features
鈥?Complete 1路3 GHz Single Chip System for Digital
Terrestrial Television Applications
鈥?Selectable Reference Division Ratio, Compatible with
DTT Requirements
鈥?Optimised for Low Phase Noise, with Comparison
Frequencies up to 4 MHz
鈥?No RF Prescaler
鈥?Selectable Reference/Comparison Frequency Output
鈥?Four Selectable I
2
C Addresses
鈥?I
2
C Fast Mode Compliant with 3路3V and 5V Logic
Levels
鈥?Four Switching Ports
鈥?Functional Replacement for SP5659 (except ADC)
鈥?Pin Compatible with SP5655
鈥?Power Consumption 120mW with V
CC
= 5路5V, all Ports off
鈥?ESD Protection 2kV min., MIL-STD-883B Method 3015
Cat.1 (Normal ESD handling procedures should be
observed)
Ordering Information
SP5730A/KG/QP1T 16 Pin QSOP
SP5730A/KG/QP1S 16 Pin QSOP
SP5730A/KG/MP1S 16 Pin SOIC
SP5730A/KG/MP2S 16 Pin SOIC*
SP5730A/KG/QP2T 16 Pin QSOP*
SP5730A/KG/MP1T 16 Pin SOIC
SP5730A/KG/MP2T 16 Pin SOIC*
SP5730A/KG/QP2S 16 Pin QSOP*
*Pb Free Matte Tin
Tape & Reel
Tubes
Tubes
Tubes
Tape & Reel
Tape & Reel
Tape & Reel
Tubes
prescaler phase noise degradation over the full RF
operating range. The comparison frequency is obtained
either from an on-chip crystal controlled oscillator, or from
an external source. The oscillator frequency, f
REF
, or phase
comparator frequency, f
COMP
, can be switched to the REF/
COMP output providing a reference for a second
frequency synthesiser. The synthesiser is controlled via
an 1
2
C bus and is fast mode compliant. It can be hard
wired to respond to one of four addresses to enable two
or more synthesisers to be used on a common bus. The
device contains four switching ports P0 - P3.
Applications
鈥?Digital Satellite, Cable and Terrestrial Tuning Systems
鈥?Communications Systems
Absolute Maximum Ratings
All voltages are referred to V
EE
= 0V
Supply voltage, V
CC
-0路3V to +7V
RF differential input voltage
2路5Vp-p
All I/O port DC offsets
-0路3 to V
CC
+0路3V
SDA and SCL DC offset
-0路3 to 6V
Storage temperature
-55擄C to +150擄C
Junction temperature
+150擄C
QP16 thermal resistance
Chip to ambient,
胃
JA
80擄C/W
Chip to case,
胃
JC
20擄C/W
Description
The SP5730 is a single chip frequency synthesiser
designed for tuning systems up to 1路3GHz and is
optimised for digital terrestrial applications. The RF
preamplifier interfaces direct with the RF programmable
divider, which is of MN1A construction so giving a step
size equal to the loop comparison frequency and no
11
2
13
REF/COMP
CRYSTAL CAP
CRYSTAL
CHARGE PUMP
DRIVE
RF
INPUT
12-BIT
COUNT
REFERENCE
DIVIDER
ENABLE/
SELECT
3
14
4
8/9
3-BIT
COUNT
LOCK
f
PD
/2
1
16
PUMP
CP MODE
DISABLE
15-BIT LATCH
ADDRESS
SDA
SCL
10
4
5
2 BIT
5 BIT
2 BIT
2 BIT
I
2
C BUS
TRANSCEIVER
4-BIT LATCH AND
PORT INTERFACE
6
7
8
9
f
PD
/2 SELECT
P3
P2
P1
P0
Figure 1 - SP5730 block diagram
Zarlink Semiconductor Inc.
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
Copyright 2001-2004, Zarlink Semiconductor Inc. All Rights Reserved.

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