Manufacturer Part Number

AD7528CQ

Description

8-bit dual digital-to-analog converter (DAC) IC. Supports analog output in current mode. Comes in a 20-pin CERDIP package for through-hole mounting. Delivers unbuffered analog output. Features a reliable R-2R architecture for fast conversion and simple interface. Designed for robust data acquisition and signal generation tasks.

Specifications

Resolution: 8 bits per channel

Number of channels: 2 (dual DAC)

Output: Current mode, unbuffered

Settling time: 400ns (nano-second response)

Input interface: Parallel data

Reference voltage: Uses external source

Analog/Digital supply voltage: 5V to 15V

Max input non-linearity (INL/DNL): ±0.5 LSB, ±1 LSB

Package type: 20-CDIP (0.300", 7.62mm width), through hole

Temperature range: Operates from -40°C to +85°C

RoHS compliance: ROHS3 Compliant

MSL: 1, unlimited moisture sensitivity

REACH status: Unaffected

Device Structure

R-2R resistor ladder DAC core

Dual-channel configuration for simultaneous signal conversion

Unbuffered current output for direct interfacing

External reference input for better accuracy

Parallel data bus pins for fast data communication

Encapsulated in a ceramic dual in-line package (CERDIP), suited for through-hole PCB assembly

Performance Characteristics

Fast settling time of 400ns for high-speed applications

Low INL/DNL values ensure good accuracy and linearity

Stable performance across a wide temperature range (-40°C ~ 85°C)

Wide supply voltage range allows flexible system integration

Unbuffered output mode for efficient current transmission

Application Environments

Used in industrial control systems

Compatible with data acquisition modules

Suited for waveform generators, signal processing, and instrumentation

Can be integrated into telecom and medical electronic devices

Reliable within both commercial and harsh industrial environments

Selection Guidelines

Choose AD7528CQ for cost-effective dual DAC applications where 8-bit resolution is sufficient

Ideal when fast response and straightforward parallel interfacing are important

Good fit for legacy designs using through-hole mounting and ceramic packaging

If buffered voltage output is needed, consider alternate models with integrated output buffers

Make sure your system supports external voltage reference and parallel communication

Usage Considerations

Handle the chip using proper anti-static precautions

Ensure external reference voltage is stable for best accuracy

Check power supplies are within 5V to 15V range

Follow specific PCB layout guidelines for through-hole mounting

Confirm the parallel data bus timing meets specification

Unbuffered output needs external circuitry if voltage output is required

Potential Equivalent/Replacement Models

Direct equivalents available:

5962-8770103RA

AD7528BQ

If further alternatives are necessary or if the listed models are unavailable, please contact the Ariat-Tech sales team via our website for assistance in selecting suitable replacements

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