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AD7549:  12-Bit, Dual, Multiplying, IOUT D/A Converter

Product Details


Newer Alternatives: NEW DESIGNS:
AD5405 Dual 12-Bit, High Bandwidth, Multiplying DAC with 4 Quadrant Resistors and Parallel Interface

The AD7549 is a monolithic dual, 12-bit, current output D/A converter. It is packaged in both 0.3" wide 20-pin DIPs and in 20-terminal surface mount packages. Both DACs provide four quadrant multiplication capabilities with a separate reference input and feedback resistor for each DAC. The monolithic construction ensures excellent thermal tracking and gain error tracking between the two DACs.

The DACs in the AD7549 are each loaded in three 4-bit nibbles. The control logic is designed for easy processor interfacing. Input and DAC register loading is accomplished using address lines A0, A1, A2, and CS, WR lines. A logic high level on the CLR input clears all registers. Both DACs may be simultaneously update using the UPD input.

APPLICATIONS

  • Programmable Filters
  • Automatic test equipment
  • Microcomputer based process control
  • Audio systems
  • Programmable power supplies
  • Synchro Applications

FEATURES and BENEFITS

  • Two Double Bufered 12-bit DACs
  • 4-Quadrant Multiplication
  • Low Gain Error (3 LSBs max)
  • DAC Ladder Resistance Matching: 1%
  • Space Saving Skinny DIP and Surface Mount Packages
  • Latch-Up Proof
  • Extended Temperature Range Operation

Functional Block Diagram for AD7549

Similar Products

  • AD5405 Dual 12-Bit, High Bandwidth, Multiplying DAC with 4 Quadrant Resistors and Parallel Interface
  • AD5415 Dual 12-Bit, High Bandwidth, Multiplying DAC with 4 Quadrant Resistors and Serial Interface
  • AD5447 Dual 12-Bit, High Bandwidth Multiplying DACs with Parallel Interface
  • AD5449 Dual 12-Bit, High Bandwidth Multiplying DAC with Serial Interface

 

Additional Information: Also consider the new AD54xx family of parts for new designs.

Documentation

Title Content Type File Type
AD7549: LC2MOS Dual 12-Bit µP-Compatible DAC Scanned Data Sheet  (Rev A, 09/1996) (pdf, 495 kB) Data Sheets PDF
AD7549: Military Data Sheet (Rev B, 08/1996) (pdf) Data Sheets PDF
AN-912: Driving a Center-Tapped Transformer with a Balanced Current-Output DAC  (pdf, 246 kB) Application Notes PDF
AN-320A: CMOS Multiplying DACs and Op Amps Combine to Build Programmable Gain Amplifier, Part 1  (pdf, 1295 kB) Application Notes PDF
AN-326: Interfacing the AD7549 to the MCS-48 and MCS-51 Microcomputer Families  (pdf, 334 kB) Application Notes PDF
AN-325: 12-Bit Analog I/O Port Uses AD7549 Dual 12-Bit DAC and 8051 Microcomputer  (pdf, 318 kB) Application Notes PDF
AN-137: A Digitally Programmable Gain and Attenuation Amplifier Design  (pdf, 52 kB) Application Notes PDF
AN-209: 09: 8th Order Programmable Low-Pass Analog Filter Using Dual 12-Bit CMOS Multiplying DACs  (pdf, 401 kB) Application Notes PDF
AN-206: 06: CMOS Multiplying DAC Based Panning Circuit Provides Almost Constant Output Power  (pdf, 142 kB)
Audio signal processing sometimes requires splitting or "panning" a single signal source into multiple channels. This application note describes how CMOS M-DACs can control the relative signal levels of the derived channels.
Application Notes PDF
AN-225: 12-Bit Voltage-Output DACs for Single-Supply 5V and 12V Systems  (pdf, 237 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
Digital to Analog Converters ICs Solutions Bulletin  (pdf) Solutions Bulletins PDF
RAQs index Rarely Asked Questions HTML
Glossary of EE Terms Glossary 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

AD7549 Model Options
Model Package Pins Temp.
Range
Packing,
Qty
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
5962-8876501RX Status: Production CERDIP GLASS SEAL 20 Mil Tube, 18 $139.34 $125.96 N  Material Info PCN Purchase
5962-8876502RX Status: Production CERDIP GLASS SEAL 20 Mil Tube, 18 $157.65 $142.53 N  Material Info PCN Purchase
AD7549AQ Status: Obsolete CERDIP GLASS SEAL 20 Ind Tube, 18 - - N  Material Info PCN/PDN Contact ADI
AD7549BQ Status: Production CERDIP GLASS SEAL 20 Ind Tube, 18 $32.98 $29.70 N  Material Info PCN Purchase
AD7549JN Status: Production 20 ld PDIP 20 Comm. Tube, 18 $22.63 $19.23 N  Material Info PCN Purchase
AD7549JNZ Status: Production 20 ld PDIP 20 Comm. Tube, 18 $20.60 $17.51 Y  Material Info PCN Purchase
AD7549JP Status: Production 20 ld PLCC 20 Comm. Tube, 49 $25.75 $21.08 N  Material Info PCN Purchase
AD7549JP-REEL Status: Last Time Buy 20 ld PLCC 20 Comm. Reel, 1000 - $20.17 N  Material Info PCN/PDN Purchase
AD7549JPZ Status: Production 20 ld PLCC 20 Comm. Tube, 49 $24.63 $20.17 Y  Material Info PCN Purchase Sample
AD7549JPZ-REEL Status: Production 20 ld PLCC 20 Comm. Reel, 1000 - $20.17 Y  Material Info Notify Me Purchase Sample
AD7549KN Status: Production 20 ld PDIP 20 Comm. Tube, 18 $27.36 $23.23 N  Material Info PCN Purchase
AD7549KNZ Status: Production 20 ld PDIP 20 Comm. Tube, 18 $26.18 $22.22 Y  Material Info PCN Purchase
AD7549KP-REEL Status: Last Time Buy 20 ld PLCC 20 Comm. Reel, 1000 - $24.26 N  Material Info PCN/PDN Purchase
AD7549KPZ Status: Production 20 ld PLCC 20 Comm. Tube, 49 $30.00 $24.26 Y  Material Info Notify Me 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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