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AD7538:  LC2MOS Microprocessor-Compatible 14-Bit DAC

Product Status:Production
Data
Sheet
AD7538 Data Sheet Rev B, 01/2009 (pdf 148kB)

Product Details

Product Status:Production
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Newer Alternatives: NEW DESIGNS:
AD5453 14-Bit High Bandwidth Multiplying DACs with Serial Interface

The AD7538 is a 14-bit monolithic CMOS digital-to-analog converter (DAC) that uses laser trimmed thin-film resistors to achieve excellent linearity.

The DAC is loaded by a single 14-bit wide word using standard chip select and memory write logic. Double buffering, which is optional using LDAC, allows simultaneous updates in a system containing multiple AD7538s.

A novel low leakage configuration enables the AD7538 to exhibit excellent output leakage current characteristics over the specified temperature range.

The AD7538 is manufactured using the linear-compatible CMOS (LC2MOS) process. It is speed compatible with most microprocessors and accepts TTL or CMOS logic level inputs.

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FEATURES and BENEFITS

  • All grades 14-bit monotonic over the full temperature range
  • Low cost, 14-bit upgrade for 12-bit systems
  • 14-bit parallel load with double buffered inputs
  • Small 24-pin, 0.30” DIP and SOIC
  • Low output leakage (<20 nA) over the full temperature range

AD7538 Functional Block Diagram

AD7538 Functional Block Diagram
Typical Applications and Other Diagrams

Similar Products

  • AD5453 14-Bit High Bandwidth Multiplying DACs with Serial Interface
  • AD5450 8-Bit High Bandwidth Multiplying DACs with Serial Interface
  • AD5451 10-Bit High Bandwidth Multiplying DACs with Serial Interface
  • AD5452 12-Bit High Bandwidth Multiplying DACs with Serial Interface
Find Similar Products
By Operating Parameters

 

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

Documentation

Title Content Type File Type
AD7538: LC2MOS Microprocessor-Compatible 14-Bit DAC Data Sheet (Rev B, 01/2009) (pdf, 148 kB) 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
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.

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Price, packaging, availability

AD7538 Model Options
Model Package Pins Temp.
Range 		Packing,
Qty 		Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
AD7538AQ Status: Production CERDIP GLASS SEAL 24 Ind Tube, 15 $19.01 $16.19 N  Material Info PCN Purchase
AD7538BQ Status: Production CERDIP GLASS SEAL 24 Ind Tube, 15 $23.82 $20.24 N  Material Info PCN Purchase
AD7538JN Status: Production 24 ld PDIP 24 Comm. Tube, 15 $14.45 $12.31 N  Material Info PCN Purchase
AD7538JNZ Status: Production 24 ld PDIP 24 Comm. Tube, 15 $12.53 $10.68 Y  Material Info PCN Purchase
AD7538JR Status: Production 24 ld SOIC - Wide 24 Comm. Tube, 31 $14.02 $11.95 N  Material Info PCN Purchase
AD7538JR-REEL Status: Contact ADI 24 ld SOIC - Wide 24 Comm. Reel, 1000 - - N  Material Info PCN Contact ADI
AD7538JRZ Status: Production 24 ld SOIC - Wide 24 Comm. Tube, 31 $12.15 $10.36 Y  Material Info PCN Purchase
AD7538JRZ-REEL Status: Production 24 ld SOIC - Wide 24 Comm. Reel, 1000 - $10.36 Y  Material Info PCN Purchase
AD7538KN Status: Production 24 ld PDIP 24 Comm. Tube, 15 $19.25 $16.37 N  Material Info PCN Purchase
AD7538KNZ Status: Production 24 ld PDIP 24 Comm. Tube, 15 $16.70 $14.20 Y  Material Info PCN Purchase
AD7538KR Status: Production 24 ld SOIC - Wide 24 Comm. Tube, 31 $18.69 $15.89 N  Material Info PCN Purchase
AD7538KR-REEL Status: Production 24 ld SOIC - Wide 24 Comm. Reel, 1000 - $14.47 N  Material Info PCN Purchase
AD7538KRZ Status: Production 24 ld SOIC - Wide 24 Comm. Tube, 31 $16.21 $13.78 Y  Material Info PCN Purchase
AD7538TQ Status: Production 24 ld CerDIP(300 Mil) 24 Mil Tube, 15 $68.08 $57.92 N  Material Info PCN Purchase
AD7538TQ/883B Status: Production CERDIP GLASS SEAL 24 Mil Tube, 15 $77.77 $66.80 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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