Curtiss-Wright / DY-4 IP4-660 A/D IndustryPack Module

The Curtiss-Wright/DY-4 IP4-660 is a 16-bit analog-to-digital conversion module in IndustryPack form factor, engineered for high-precision data acquisition in industrial and harsh environments. The module supports flexible input configurations with 16 single-ended or 8 differential channels, selectable input ranges of ±5 V or ±10 V, and achieves 0.001% typical linearity with internal amplification and buffering via low-distortion differential amplifiers.

Technical Specifications

Resolution: 16-bit

Analog Input Channels: 16 single-ended or 8 differential

Input Ranges: ±5 V, ±10 V

Linearity: 0.001% typical

Input Impedance: 1 GΩ

Amplification: Low-noise, low-distortion instrumentation amplifier with internal buffering

Internal Reference: Temperature drift coefficient 3 ppm/°C maximum

Internal Calibration Accuracy: Better than ±2 LSB

Conversion Rate: Maximum aggregate 100 kHz

Overvoltage Protection: Multiplexer protection rated -40 V to +55 V

Key Features

Multiplexer-based input circuitry with integrated instrumentation amplifier delivers low noise and distortion performance

Programmable interrupt logic provides flexible conversion completion notification

Software-initiated or external trigger control of conversion start

External pacer clock support enables semi-automatic data acquisition via interrupt or sample modes

Built-in overvoltage protection safeguards front-end circuitry across extended voltage ranges

Temperature-stabilized internal reference minimizes gain and offset drift

Typical Applications Data acquisition systems requiring high-resolution analog measurement in industrial control, process monitoring, environmental sensing, and field instrumentation where reliability and accuracy are critical.

Compatibility & Integration Designed to the IndustryPack (IP) standard, enabling direct integration into compatible carrier boards and modular test systems.