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What is UPC1685G?

This electronic component, produced by the manufacturer "NEC", performs the same function as "GENERAL PURPOSE 5 V FREQUENCY DOWN-CONVERTER IC".


UPC1685G Datasheet PDF - NEC

Part Number UPC1685G
Description GENERAL PURPOSE 5 V FREQUENCY DOWN-CONVERTER IC
Manufacturers NEC 
Logo NEC Logo 


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DATA SHEET
BIPOLAR ANALOG INTEGRATED CIRCUIT
µPC1685G
GENERAL PURPOSE 5 V FREQUENCY DOWN-CONVERTER IC
DESCRIPTION
The µPC1685G is Silicon monolithic IC designed for UHF band receiver applications. This IC consists of double
balanced mixer, local oscillator, IF amplifier, and voltage regulator.
The package is 8-pin SOP suitable for high-density surface mount.
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
Part Number
µPC1685G-E1
Package
8-pin plastic SOP (225 mil)
Package Style
Embossed tape 12 mm wide.
Pin 1 indicates pull-out direction of tape.
Qty 2.5 kp/reel.
Remark To order evaluation samples, please contact your local NEC office. (Part number for sample order:
µPC1685G)
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. P14483EJ2V0DS00 (2nd edition)
(Previous No. ID-2330)
Date Published October 1999 N CP(K)
Printed in Japan
The mark shows major revised points.
©
1988, 1999

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UPC1685G equivalent
µPC1685G
STANDARD CHARACTERISTICS (FOR REFERENCE) (VCC = 5 V, TA = +25 °C unless otherwise specified)
Parameter
Oscillation Frequency Stability
Oscillation Frequency Drift
Oscillation Start Voltage
1 % Cross-modulation Distortion 1
1 % Cross-modulation Distortion 2
Symbol
fstb
fdrift
VOSC
CM1
CM2
Test Conditions
VCC = ±10 %, fOSC = 550 to 950 MHz Note 1
fOSC = 550 to 950 MHz, 30 min.
Note 1
fOSC = 550 to 950 MHz
Note 1
fRF = 500 MHz
Note 2, 3
fRF = 900 MHz
Note 2, 3
Reference Values
±200
150
3.0
86.5
86
Unit
kHz
kHz
V
dBµ
dBµ
Notes 1. By test circuit 2
2. By test circuit 1
3. fundes = fRF ±12 MHz, PRF = 31 dBm, fIF = 50 MHz, POSC = 5 dBm
AM: 100 kHz, 30 % Mod., S/I Ratio = 46 dBc, output 75 open
Data Sheet P14483EJ2V0DS00
5


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Featured Datasheets

Part NumberDescriptionMFRS
UPC1685GThe function is GENERAL PURPOSE 5 V FREQUENCY DOWN-CONVERTER IC. NECNEC
UPC1685G-E1The function is GENERAL PURPOSE 5 V FREQUENCY DOWN-CONVERTER IC. NECNEC

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