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AD7538 - Microprocessor-Compatible 14-Bit DAC

General Description

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.

Key Features

  • 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 (.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LC2MOS Microprocessor-Compatible 14-Bit DAC AD7538 FEATURES 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 APPLICATIONS Microprocessor-based control systems Digital audio Precision servo control Control and measurement in high temperature environments FUNCTIONAL BLOCK DIAGRAM AD7538 VDD 23 2 RFB VREF 1 14-BIT DAC 3 IOUT 4 AGND DAC REGISTER 20 LDAC INPUT REGISTER 14 6 19 DB13 TO DB0 5 DGND Figure 1.