sa8027 NXP Semiconductors, sa8027 Datasheet - Page 2

• Manufacturer Part Number: sa8027
• Description: 2.5 Ghz Low Voltage, Low Power Rf Fractional-n/if Integer Frequency Synthesizer
• Manufacturer: NXP Semiconductors

1. The SA8027W will be released for production Q2, 2001.
Philips Semiconductors
GENERAL DESCRIPTION
The SA8027 BICMOS device integrates programmable dividers,
charge pumps and phase comparators to implement phase-locked
loops. The device is designed to operate from 3 NiCd cells, in
pocket phones, with low current and nominal 3 V supplies.
The synthesizer operates at VCO input frequencies up to 2.5 GHz.
The synthesizer has fully programmable main, auxiliary and
reference dividers. All divider ratios are supplied via a 3-wire serial
programming bus. The main divider is a fractional-N divider with
programmable integer ratios from 512 to 65535.
Separate power and ground pins are provided to the charge pumps
and digital circuits. The ground pins should be externally connected
to prevent large currents from flowing across the die and causing
damage. V
The charge pump current (gain) is fully programmable, while I
set by an external resistance at the R
Main Output Charge Pumps and Fractional Compensation
Currents)
for implementing a passive loop filter.
FEATURES
APPLICATIONS
QUICK REFERENCE DATA
ORDERING INFORMATION
NOTE:
SYMBOL
V
V
I
I
f
f
f
f
T
TYPE NUMBER
TYPE NUMBER
SA8027DH
SA8027W
2001 Aug 21
DDCP
DDCP
VCO
AUX
REF
PC
Low phase noise
Low power
Fully programmable main and auxiliary dividers
Programmable Normal & Integral charge pumps outputs
Fast Locking Adaptive mode design
Internal fractional spurious compensation
Hardware and software power down
Split supply for V
Loop filter bandwidth programmability
500 to 2500 MHz wireless equipment
Cellular phones (all standards)
WLAN
Portable battery-powered radio equipment.
amb
DD
DDCP
2.5 GHz low voltage, low power
RF fractional-N/IF integer frequency synthesizer
+I
+I
DD
DD
.
The phase/frequency detector charge pump outputs allow
DDCP
must be equal to or greater than V
PARAMETER
Supply voltage
Analog supply voltage
Supply current
Total supply current in power-down mode
Input frequency
Input frequency
Crystal reference input frequency
Maximum phase comparator frequency
Operating ambient temperature
DD
PACKAGE
NAME
TSSOP20
HBCC24
and V
DDCP
SET
DESCRIPTION
Plastic thin shrink small outline package; 20 leads; body width 4.4 mm
Plastic, heatsink bottom chip carrier; 24 terminals; body 4 x 4 x 0.65 mm (Note 1)
pin (refer to section 1.5,
DD
.
SET
is
CONDITIONS
V
Main and Aux. on
DDCP
2
V
DD
GND
GND
V
RFin+
RFin–
DDPre
Figure 1. TSSOP20 Pin Configuration
GND
Figure 2. HBCC24 Pin configuration
Pre
CP
GND
GND
RFin+
LOCK
RFin–
TEST
GND
PHP
V
PHI
DD
CP
CP
2
3
4
5
6
1
7
MIN.
2.7
2.7
–
–
500
100
5
–
–40
10
1
2
3
4
5
6
7
8
9
24
8
23
TOP VIEW
9
22
10
TYP.
–
–
7.7
1
–
–
–
–
21
11
20
19
18
17
16
15
14
13
12
20
12
11
PON
STROBE
DATA
CLOCK
REFin+
REFin–
R
V
AUXin
PHA
DDCP
19
18
17
16
15
14
13
SET
MAX.
3.6
3.6
–
–
2500
550
40
4
+85
SR02176
853–2244 26947
CLOCK
REFin+
REFin–
R
V
N/C
SR01649
SA8027
DDCP
SET
Product data
VERSION
SOT360-1
SOT564-1
UNIT
V
V
mA
MHz
MHz
MHz
MHz
C
A