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SA7026 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 1.3GHz low voltage fractional-N dual frequency synthesizer - Philips

भाग संख्या SA7026
समारोह 1.3GHz low voltage fractional-N dual frequency synthesizer
मैन्युफैक्चरर्स Philips 
लोगो Philips लोगो 
पूर्व दर्शन
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<?=SA7026?> डेटा पत्रक पीडीएफ

SA7026 pdf
Philips Semiconductors
1.3GHz low voltage fractional-N dual synthesizer
Product specification
SA7026
GENERAL DESCRIPTION
The SA7026 BICMOS device integrates programmable dividers,
charge pumps and a phase comparator to implement a
phase-locked loop. 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 1.3 GHz.
The synthesizer has fully programmable main, auxiliary and
reference dividers. All divider ratios are supplied via a 3-wire serial
programming bus.
Separate power and ground pins are provided to the analog and
digital circuits. The ground leads should be externally short-circuited
to prevent large currents flowing across the die and thus causing
damage. VDDCP must be greater than or equal to VDD.
The charge pump current (gain) is set by an external resistance at
RSET pin. Passive loop filters could be used; the charge pump
operates within a wide voltage compliance range to provide a wider
tuning range.
FEATURES
Low phase noise
Low power
Fully programmable main and auxiliary dividers
Normal & Integral charge pumps outputs
Fast Locking Adaptive mode design
Internal fractional spurious compensation
Hardware and software power down
Split supply for VDD and VDDCP
LOCK 1
20 PON
TEST 2
19 STROBE
VDD 3
GND 4
18 DATA
17 CLOCK
RFin+ 5
16 REFin+
RFin– 6
15 REFin–
GNDCP 7
PHP 8
PHI 9
GNDCP 10
14 RSET
13 VDDCP
12 AUXin
11 PHA
SR01649
Figure 1. Pin Configuration
APPLICATIONS
350 to 1300 MHz wireless equipment
Cellular phones (all standards)
WLAN
Portable battery-powered radio equipment.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
VDD
VDDCP
IDDCP+IDD
IDDCP+IDD
fVCO
fAUX
fREF
fPC
Tamb
Supply voltage
Analog supply voltage
Total supply current
Total supply current in power-down mode
Input frequency
Input frequency
Crystal reference input frequency
Maximum phase comparator frequency
Operating ambient temperature
CONDITIONS
VDDCP w VDD
Main and Aux. on
MIN.
2.7
2.7
350
10
5
–40
TYP.
7.5
1
MAX.
5.5
5.5
8.8
1300
550
40
4
+85
UNIT
V
V
mA
µA
MHz
MHz
MHz
MHz
°C
ORDERING INFORMATION
TYPE NUMBER
PACKAGE
NAME
SA7026DH
TSSOP20
DESCRIPTION
Plastic thin shrink small outline package; 20 leads; body width 4.4 mm
VERSION
SOT360–1
1999 Nov 04
2 853–2159 22635

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डाउनलोड[ SA7026 Datasheet.PDF ]


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