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.
