AD7545

NOT RECOMMENDED FOR NEW DESIGNS

CMOS 12-Bit Buffered Multiplying DAC With Onboard Data Latches

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Overview

  • 12-Bit Resolution
  • Low Gain TC: 2ppm/°C typ
  • Fast TTL Compatible Data Latches
  • Small 20-Lead 0.3" DIP and 20-Terminal Surface Mount Packages
  • Single +5 V to +15 V Supply
  • Latch Free (Schottky Protection Diode not Required)
  • Low Cost
  • Ideal for Battery Operated Equipment

The AD7545 is a monolithic 12-bit CMOS multiplying DAC with onboard data latches. It is loaded by a single 12-bit wide word and directly interfaces to most 12- and 16-bit bus systems. Data is loaded into the input latches under the control of the CS and WR inputs; tying these control inputs low makes the input latches transparent, allowing direct unbuffered operation of the DAC.

The AD7545 is particularly suitable for single supply operation and applications with wide temperature variations.

The AD7545 can be used with any supply voltage from +5 V to +15 V. With CMOS logic levels at the inputs the device dissipates less than 0.5 mW for VDD = +5 V.

AD7545
CMOS 12-Bit Buffered Multiplying DAC With Onboard Data Latches
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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.

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