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  2. D/A Converters (DAC)
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  5. DAC8248

Alternative Parts


Features and Benefits

  • Two Matched 12-Bit DACs on One Chip
  • 12-Bit Resolution with an 8-Bit Data Bus
  • Direct Interface with 8-Bit Microprocessors
  • Double-Buffered Digital Inputs
  • RESET to Zero Pin
  • 12-Bit Endpoint Linearity (±1/2 LSB) Over Temperature
  • +5 V to 15 V Single Supply Operation
  • Latch-Up Resistant
  • Improved ESD Resistance
  • Packaged in a Narrow 0.3" 24-Pin  DIP and 0.3" 24-Pin SOL Package
  • Available in Die Form

Product Details

The DAC8248 is a dual 12-bit, double-buffered, CMOS digital-to-analog converter. It has an 8-bit wide input data port that interfaces directly with 8-bit microprocessors. It loads a 12-bit word in two bytes using a single control; it can accept either a least significant byte or most significant byte first. For designers with a 12-bit or 16-bit wide data path, choose the DAC8222 or DAC8221.

The DAC8248's double-buffered digital inputs allow both DAC's analog output to be updated simultaneously. This is particularly useful in multiple DAC systems where a common LDAC signal updates all DACs at the same time. A single RESET pin resets both outputs to zero.

The DAC8248's monolithic construction offers excellent DAC-to-DAC matching and tracking over the full operating temperature range. The DAC consists of two thin-film R-2R resistor ladder networks, two 12-bit, two 8-bit, and two 4-bit data registers, and control logic circuitry. Separate reference input and feedback resistors are provided for each DAC. The DAC8248 operates on a single supply from +5 V to +15 V, and it dissipates less than 0.5 mW at +5 V (using zero or VDD logic levels). The device is packaged in a space-saving 0.3", 24-pin DIP.

The DAC-8248 is manufactured with PMI's highly-stable thin-film resistors on an advanced oxide-isolated, silicon-gate, CMOS technology. PMI's improved latch-up resistant design eliminates the need for external protective Schoottky diodes.


  • Multichannel Microprocessor-Controlled Systems
  • Robotics/Process Control/Automation
  • Automatic Test Equipment
  • Programmable Attenuator, Power Supplies, Window Comparators
  • Instrumentation Equipment
  • Battery Operated Equipment

Product Lifecycle icon-not-recommended Not Recommended for New Designs

This designates products ADI does not recommend broadly for new designs.

Tools & Simulations

Precision DAC Error Budget Tool

The Precision DAC Error Budget Tool is a web application that calculates the DC Accuracy of precision DAC signal chains. It shows how the static errors accumulate throughout your signal chain to quickly evaluate the design tradeoffs. Calculations include the DC errors introduced by Voltage References, Operation Amplifiers and Precision DACs.

Precision DAC Error Budget Tool

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.

Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
DAC8248FPZ Material Declaration Reliability Data 24-Lead PDIP
DAC8248FSZ Material Declaration Reliability Data 24-Lead SOIC (Wide)
DAC8248FSZ-REEL Material Declaration Reliability Data 24-Lead SOIC (Wide)
DAC8248GPZ Material Declaration Reliability Data 24-Lead PDIP
Wafer Fabrication Data

PCN-PDN Information

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Sample & Buy

Ordering FAQs

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Buy Now Pricing

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List Pricing

(*)The 1Ku 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. authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


Lead Times

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