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AD630:  Balanced Modulator/Demodulator

Product Details


The AD630 is a high precision balanced modulator that combines a flexible commutating architecture with the accuracy and temperature stability afforded by laser wafer trimmed thin film resistors. Its signal processing applications include balanced modulation and demodulation, synchronous detection, phase detection, quadrature detection, phase-sensitive detection, lock-in amplification, and square wave multiplication. A network of on-board applications resistors provides precision closed-loop gains of ±1 and ±2 with 0.05% accuracy (AD630B). These resistors may also be used to accurately configure multiplexer gains of +1, +2, +3, or +4. Alternatively, external feedback may be employed, allowing the designer to implement high gain or complex switched feedback topologies.

FEATURES and BENEFITS

  • Recovers Signal from 100 dB Noise
  • 2 MHz Channel Bandwidth
  • 45 V/µs Slew Rate
  • -120 dB Crosstalk @ 1 kHz
  • Pin Programmable, Closed-Loop Gains
    of ±1 and ±2
  • 0.05% Closed-Loop Gain Accuracy
    and Match
  • 100 µV Channel Offset Voltage
    (AD630BD)
  • 350 kHz Full Power Bandwidth
  • Chips Available

Functional Block Diagram for AD630

Documentation

Title Content Type File Type
AD630: Balanced Modulator/Demodulator Data Sheet (Rev E, 06/2004) (pdf, 313 kB) Data Sheets PDF
AD630: Military Data Sheet  (Rev A, 03/2001) (pdf) Data Sheets PDF
AN-924: Digital Quadrature Modulator Gain  (pdf, 105 kB) Application Notes PDF
AN-683: Strain Gage Measurement Using an AC Excitation  (pdf, 122 kB) Application Notes PDF
AN-307: Modem-Circuit Techniques Simplify Instrumentation Designs  (pdf, 890 kB)
A commutating modem circuit, whether an IC or pc-board, can serve as a building block for many measurement-system functions, reducing noise and ensuring the integrity of transmitted data.
Application Notes PDF
AN-306: Synchronous System Measures µΩs  (pdf, 37 kB)
Synchronous Detection Scheme Measures Low Resistances
Application Notes PDF
AN-214: Ground Rules for High Speed Circuits  (pdf, 356 kB)
Layout and Wiring Are Critical in Video Converter Circuits.
Application Notes PDF
AN-349: Keys to Longer Life for CMOS  (pdf, 89 kB)
Here's How CMOS Can be Protected Against Abuse
Application Notes PDF
AN-308: Commutating Amp Multiplies Precisely  (pdf, 40 kB) Application Notes PDF
ADI Warns Against Misuse of COTS Integrated Circuits  (pdf, 13 kB)
(Revised 1/03)
Invites Customer Participation in Creative Mil/Aero System Solutions
Recommended Reading PDF
Space Qualified Parts List  (pdf, 93 kB)
This document lists 67 (240+) space level products that are available from Analog Devices. Many of the products listed are state-of-the-art data conversion and signal processing products that were previously only available as commercial or military Class B products. Through our Space Products Group and MIL-PRF-38535 certified Level V (Class S) facility, we are pleased to offer these products to the space marketplace.
Aerospace Information PDF
Leading Inside Advertorials: Broadband I/Q Modulator Eases Radio Design  (pdf, 69 kB) Overview PDF
ADL5375 Modulator / ADL5382 Demodulator Overview HTML
RAQs index Rarely Asked Questions HTML
Glossary of EE Terms Glossary HTML

Design Tools,Models,Drivers & Software

Title Content Type File Type
AD630 SPICE Macro Model SPICE Models HTML

Evaluation Kits & Symbols & Footprints

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

SampleSample & Buy

Price, packaging, availability

AD630 Model Options
Model Package Pins Temp.
Range
Packing,
Qty
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
5962-89807012A Status: Production LCC:CER LEADLESS CHIP CARR 20 Mil Tube, 54 $119.33 $107.88 N  Material Info PCN Purchase
5962-8980701RA Status: Production 20 ld Side-Brazed CerDip 20 Mil Tube, 19 $90.49 $87.77 N  Material Info PCN Purchase
AD630ADZ Status: Production 20 ld Side-Brazed CerDip 20 Ind Tube, 19 $23.74 $21.48 Y  Material Info PCN Purchase
AD630ARZ Status: Production 20 ld SOIC - Wide 20 Ind Tube, 37 $13.58 $12.27 Y  Material Info PCN Purchase
AD630ARZ-RL Status: Production 20 ld SOIC - Wide 20 Ind Reel, 1000 - $12.27 Y  Material Info PCN Purchase
AD630BDZ Status: Production 20 ld Side-Brazed CerDip 20 Ind Tube, 19 $39.19 $35.43 Y  Material Info PCN Purchase
AD630JNZ Status: Production PLASTIC DIP 20 Comm. Tube, 18 $12.80 $11.57 Y  Material Info PCN Purchase
AD630KNZ Status: Production 20 ld PDIP 20 Comm. Tube, 18 $20.41 $18.43 Y  Material Info PCN Purchase
AD630SCHIPS Status: Production CHIPS OR DIE 0 Mil Tray, 100 - - Y  Material Info PCN Contact ADI
AD630SD Status: Production 20 ld Side-Brazed CerDIP 20 Mil Tube, 19 $67.08 $60.66 N  Material Info PCN Purchase
AD630SD/883B Status: Production S/B OR B/B CERAMIC DIP 20 Mil Tube, 19 $82.67 $75.67 N  Material Info PCN Purchase
AD630SE/883B Status: Production LCC:CER LEADLESS CHIP CARR 20 Mil Tube, 54 $108.11 $97.72 N  Material Info PCN Purchase
Price Table Help

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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