UPC1685G NEC, UPC1685G Datasheet

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UPC1685G

Manufacturer Part Number
UPC1685G
Description
GENERAL PURPOSE 5 V FREQUENCY DOWN-CONVERTER IC
Manufacturer
NEC
Datasheet

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Part Number:
UPC1685G
Manufacturer:
NEC
Quantity:
20 000
Document No. P14483EJ2V0DS00 (2nd edition)
(Previous No. ID-2330)
Date Published October 1999 N CP(K)
Printed in Japan
DESCRIPTION
balanced mixer, local oscillator, IF amplifier, and voltage regulator.
FEATURES
• UHF band operation
• Good capability of UHF-varactor diode due to balanced amplifier oscillator
• Supply voltage: 5 V
• Packaged in 8-pin SOP suitable for high-density mounting
APPLICATIONS
• Tuners for TV and VCR
• Receivers for UHF band
ORDERING INFORMATION
PC1685G-E1
The PC1685G is Silicon monolithic IC designed for UHF band receiver applications. This IC consists of double
The package is 8-pin SOP suitable for high-density surface mount.
Remark To order evaluation samples, please contact your local NEC office. (Part number for sample order:
GENERAL PURPOSE 5 V FREQUENCY DOWN-CONVERTER IC
Part Number
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.
PC1685G)
8-pin plastic SOP (225 mil)
BIPOLAR ANALOG INTEGRATED CIRCUIT
Caution Electro-static sensitive devices
The mark
Package
DATA SHEET
DATA SHEET
shows major revised points.
Embossed tape 12 mm wide.
Pin 1 indicates pull-out direction of tape.
Qty 2.5 kp/reel.
Package Style
PC1685G
©
1988, 1999

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UPC1685G Summary of contents

Page 1

... Part Number PC1685G-E1 8-pin plastic SOP (225 mil) Remark To order evaluation samples, please contact your local NEC office. (Part number for sample order: PC1685G) The information in this document is subject to change without notice. Before using this document, please confirm that this is the latest version. ...

Page 2

INTERNAL BLOCK DIAGRAM Pre Amp. OSC OSC Buffer PIN CONFIGURATION (Top View MIX 4 REG. 4 Data Sheet P14483EJ2V0DS00 PC1685G 1. OSC base (bypass OSC base ...

Page 3

PIN EXPLANATION Pin Symbol Function and Explanation No. 1 OSC base Internal oscillator consists in balance amplifier. (bypass) 2 pin and 3 pin should be externally equiped with tank resonater circuit in order to oscillate with feedback loop. 2 OSC ...

Page 4

ABSOLUTE MAXIMUM RATINGS Parameter Symbol Supply Voltage V CC Power Dissipation P D Operating Ambient Temperature T A Storage Temperature T stg Note Mounted 1.6-mm epoxy glass PWB, with copper patterning on both sides. RECOMMENDED OPERATING RANGE ...

Page 5

STANDARD CHARACTERISTICS (FOR REFERENCE) (V Parameter Symbol Oscillation Frequency Stability f stb Oscillation Frequency Drift f drift Oscillation Start Voltage V OSC 1 % Cross-modulation Distortion 1 CM1 1 % Cross-modulation Distortion 2 CM2 Notes 1. By test circuit 2 ...

Page 6

TYPICAL CHARACTERISTICS ( NOISE FIGURE AND CONVERSION GAIN CIRCUIT CURRENT . SUPPLY VOLTAGE VS No Input Signal ...

Page 7

CONVERSION GAIN 200 Input Frequency CROSS-MODULATION DISTORTION 100 500 Input Frequency f Data Sheet P14483EJ2V0DS00 INPUT FREQUENCY VS ...

Page 8

OSC-FREQUENCY STABILITY +300 0 –300 0 8 OUTPUT POWER INPUT POWER VS 900 MHz MHz –5 dBm OSC P out –20 0 +40 ...

Page 9

TEST CIRCUIT 000 000 Output TEST CIRCUIT 000 000 pF IF Output ...

Page 10

APPLICATION CIRCUIT EXAMPLE 000 000 Output 200 HVU202 150 ...

Page 11

PACKAGE DIMENSIONS 8 PIN PLASTIC SOP (225 mil) (UNIT: mm 5.2 0.2 1.57 0.2 1.49 1.27 +0.08 0.42 –0.07 0.1 0.1 Each lead centerline is located within 0. its true position (T.P.) at maximum material condition. ...

Page 12

... Observe precautions for handling because of electro-static sensitive devices. (2) Form a ground pattern as widely as possible to minimize ground impedance (to prevent undesired oscillation). (3) Keep the track length of the ground pins as short as possible. (4) Connect a bypass capacitor (example: 1 000 pF) to the V RECOMMENDED SOLDERING CONDITIONS This product should be soldered under the following recommended conditions. ...

Page 13

Data Sheet P14483EJ2V0DS00 PC1685G 13 ...

Page 14

Data Sheet P14483EJ2V0DS00 PC1685G ...

Page 15

Data Sheet P14483EJ2V0DS00 PC1685G 15 ...

Page 16

... Specific: Aircraft, aerospace equipment, submersible repeaters, nuclear reactor control systems, life support systems or medical equipment for life support, etc. The quality grade of NEC devices is "Standard" unless otherwise specified in NEC's Data Sheets or Data Books. If customers intend to use NEC devices for applications other than those specified for Standard quality grade, they should contact an NEC sales representative in advance ...

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