ADC12038CIWM/NOPB

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ADC12038CIWM/NOPB is a compact high-speed, low-power sigma-delta analog-to-digital converter (ADC) used for data acquisition systems. It features an extended input range and low noise, making it suitable for signal acquisition applications in automotive, industrial, and medical applications.

Overview

The ADC12038CIWM/NOPB is a single-channel, high-speed, 8-bit A/D converter designed for signal acquisition applications. It is designed to support a wide input range, extending from -3.3v to +3.3v, thereby providing a larger signal input range than conventional A/D converters. The core of the device is composed of a low-power sigma-delta modulator, which is a type of delta-sigma analog to digital converter. This modulator features noise-shaping techniques that reduce out-of-band noise levels.

The ADC12038CIWM/NOPB contains an integrated power supply regulator, enabling it to run from a single voltage supply from 4.5V to 17V. The device also includes an integrated reference voltage divider, allowing for a wide variety of reference voltages. Additionally, the device supports multiple clock speeds for flexible resolution and throughput.

Features and Benefits

• Low power consumption: The device is designed to draw less than 18mW during normal operation, enabling it to be used in a wide range of power-sensitive applications.
• High speed: The device provides up to 500 ks/s throughput, enabling high data acquisition rates in demanding applications.
• Wide input range: The input range extends from -3.3V to +3.3V, providing greater flexibility in signal acquisition applications.
• Variable reference: The device supports a wide range of reference voltage levels, allowing for precise signal measurements.
• Low noise: The device features noise-shaping techniques that reduce out-of-band noise to enable cleaner signal measurements.

Applications

The ADC12038CIWM/NOPB is ideal for data acquisition applications in automotive, industrial and medical systems. Typical applications include automotive engine control systems, industrial process control, medical monitoring and diagnostics, instrumentation, security/surveillance systems, and more.

Working Principle

The core of the ADC12038CIWM/NOPB is a sigma-delta modulator. This type of modulator converts an analog input signal to a digital bitstream by taking the input signal, modulating it and then integrating the resulting bitstream with a feedback loop. The modulator uses a differential architecture to reduce noise levels. The output of the modulator is then compared to the reference voltage to generate a digital output.

The device also features a differential input, allowing for reduced noise levels by rejecting common-mode signals and short-circuits. This allows the device to measure signals with greater precision and accuracy. Additionally, the device supports a wide variety of clocks speeds, enabling it to be used in a wide range of applications.

Conclusion

The ADC12038CIWM/NOPB is a compact, high-speed low-power sigma-delta analog-to-digital converter designed for data acquisition applications. It features an extended input range, low-power consumption, and low noise, making it suitable for signal acquisition applications in automotive, industrial, and medical systems. The device also features a differential input architecture to reduce noise levels. Furthermore, the device supports a wide variety of reference voltages and clock speeds.

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