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SA7025 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Low-voltage 1GHz fractional-N synthesizer - Philips

भाग संख्या SA7025
समारोह Low-voltage 1GHz fractional-N synthesizer
मैन्युफैक्चरर्स Philips 
लोगो Philips लोगो 
पूर्व दर्शन
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<?=SA7025?> डेटा पत्रक पीडीएफ

SA7025 pdf
Philips Semiconductors
1GHz low-voltage Fractional-N synthesizer
Product specification
SA7025
DESCRIPTION
The SA7025 is a monolithic low power, high performance dual
frequency synthesizer fabricated in QUBiC BiCMOS technology.
Featuring Fractional-N division with selectable modulo 5 or 8
implemented in the Main synthesizer to allow the phase detector
comparison frequency to be five or eight times the channel spacing.
This feature reduces the overall division ratio yielding a lower noise
floor and faster channel switching. The phase detectors and charge
pumps are designed to achieve phase detector comparison
frequencies up to 5MHz. A triple modulus prescaler (divide by
64/65/72) is integrated on chip with a maximum input frequency of
1.04GHz. Programming and channel selection are realized by a
high speed 3-wire serial interface.
FEATURES
Operation up to 1.04GHz
Fast locking by “Fractional-N” divider
Auxiliary synthesizer
Digital phase comparator with proportional and integral charge
pump output
High speed serial input
Low power consumption
Programmable charge pump currents
Supply voltage range 2.7 to 5.5V
Excellent input sensitivity: VRF_IN = –20dBm
APPLICATIONS
NADC (North American Digital Cellular)
PDC (Personal Digital Cellular)
Cellular radio
Spread-spectrum receivers
PIN CONFIGURATION
DK Package
CLOCK 1
DATA 2
STROBE 3
VSS 4
RFIN 5
RFIN 6
VCCP 7
REFIN 8
RA 9
AUXIN 10
20 VDD
19 TEST
18 LOCK
17 RF
16 RN
15 VDDA
14 PHP
13 PHI
12 VSSA
11 PHA
Figure 1. Pin Configuration
SR00600
ORDERING INFORMATION
DESCRIPTION
20-Pin Plastic Shrink Small Outline Package (SSOP)
TEMPERATURE RANGE
–40 to +85°C
ORDER CODE
SA7025DK
DWG #
SOT266-1
ABSOLUTE MAXIMUM RATINGS
SYMBOL
PARAMETER
V
VIN
TSTG
TA
Supply voltage, VDD, VDDA, VCCP
Voltage applied to any other pin
Storage temperature range
Operating ambient temperature range
NOTE: Thermal impedance (θJA) = 117°C/W. This device is ESD sensitive.
RATING
-0.3 to +6.0
-0.3 to (VDD + 0.3)
-65 to +150
-40 to +85
UNITS
V
V
°C
°C
1996 Aug 6
2 853-1786 17157

विन्यास 22 पेज
डाउनलोड[ SA7025 Datasheet.PDF ]


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