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UPC2756T Datasheet

  • UPC2756T

  • REFERENCE FREQUENCY 16.368 MHz, 2ND IF FREQUENCY 4.092 MHz R...

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  • NEC   NEC

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DATA SHEET
BIPOLAR ANALOG + DIGITAL INTEGRATED CIRCUIT
碌
PB1005GS
REFERENCE FREQUENCY 16.368 MHz, 2ND IF FREQUENCY 4.092 MHz
RF/IF FREQUENCY DOWN-CONVERTER +
PLL FREQUENCY SYNTHESIZER IC FOR GPS RECEIVER
DESCRIPTION
The
碌
PB1005GS is a silicon monolithic integrated circuit for GPS receiver.
This IC is designed as double
conversion RF block integrated RF/IF down-converter + PLL frequency synthesizer on 1 chip.
The
碌
PB1005GS features shrink package, fixed prescaler and supply voltage. The 30-pin plastic SSOP package
is suitable for high density surface mounting. The fixed division internal prescaler is needless to input serial counter
data. Supply voltage is 3 V. Thus, the
碌
PB1005GS can make RF block fewer components and lower power
consumption.
This IC is manufactured using NEC鈥檚 20 GHz f
T
NESAT
TM
III silicon bipolar process. This process uses direct
silicon nitride passivation film and gold electrodes. These materials can protect the chip surface from pollution and
prevent corrosion/migration. Thus, this IC realizes excellent performance, uniformity and reliability.
FEATURES
鈥?Double conversion
鈥?Integrated RF block
: f
REFin
= 16.368 MHz, f
2ndIFout
= 4.092 MHz
: RF/IF frequency down-converter + PLL frequency synthesizer
鈥?High-density surface mountable : 30-pin plastic SSOP (9.85
脳
6.1
脳
2.0 mm)
鈥?Needless to input counter data : fixed division internal prescaler
鈥?VCO side division
鈥?Reference division
鈥?Supply voltage
鈥?Low current consumption
鈥?Gain adjustable externally
:
梅
200 (梅 25,
梅
8 serial prescaler)
:
梅
2
: V
CC
= 2.7 to 3.3 V
: I
CC
= 45.0 mA TYP.@V
CC
= 3.0 V
: Gain control voltage pin (control voltage up vs. gain down)
APPLICATION
鈥?Consumer use GPS receiver of reference frequency 16.368 MHz, 2nd IF frequency 4.092 MHz
ORDERING INFORMATION
Part Number
Package
30-pin plastic SSOP
(7.62 mm (300))
Supplying Form
Embossed tape 16 mm wide.
Pin 1 is in tape pull-out direction.
QTY 2.5 kpcs/reel.
碌
PB1005GS-E1
Remark
To order evaluation samples, please contact your local NEC sales office. (Part number for sample
order:
碌
PB1005GS)
Caution Electro-static sensitive devices
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
Document No. P13860EJ3V0DS00 (3rd edition)
Date Published April 2000 N CP(K)
Printed in Japan
The mark
shows major revised points.
漏
1998, 2000

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