Overview
The AD74412RBCPZ, produced by Analog Devices Inc., is a quad-channel software configurable input/output solution designed for building and process control applications. This device integrates a 16-bit Σ-∆ analog-to-digital converter (ADC) and four 13-bit digital-to-analog converters (DACs) into a single chip, providing high flexibility and diagnostic capabilities. It supports various modes including voltage output, current output, voltage input, and resistance temperature detector (RTD) measurements. The device features a robust architecture, surge tested to ±1 kV per the IEC61000-4-5 standard, and operates over a temperature range of -40°C to +85°C.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Number of Channels | 4 | ||
| DAC Resolution | 13 bits | ||
| ADC Resolution | 16 bits | ||
| Data Output Interface | Serial SPI | ||
| Operating Temperature Range | -40°C to +85°C | °C | |
| Package Type | 64-Lead LFCSP (9mm x 9mm w/ EP) | ||
| Voltage Supply Range | 14V to 26.4V, 2.7V to 5.5V | V | Analog and Digital |
| Sampling Rate | 4.8 kSPS | samples per second | |
| Output Noise (0.1 Hz to 10 Hz) | 59 µV p-p | µV | |
| Output Noise Spectral Density (1 kHz) | 2.3 µV/√Hz | µV/√Hz |
Key Features
- Quad-channel software configurable input/output channels
- 16-bit Σ-∆ ADC and four 13-bit DACs
- Built-in diagnostics and alert features, including open circuit and short-circuit detection
- Internal temperature sensor with 5°C accuracy
- Charge pump for true zero voltage output
- Robust architecture, surge tested to ±1 kV per the IEC61000-4-5 standard
- High accuracy 2.5 V internal reference for ADC and DACs
- Support for various modes: voltage output, current output, voltage input, externally powered current input, loop powered current input, external RTD measurement, digital input logic, and loop powered digital input
Applications
- Building control systems
- Process control systems
- Industrial automation
Q & A
- What is the primary function of the AD74412RBCPZ?
The AD74412RBCPZ is a quad-channel software configurable input/output solution, integrating ADC and DAC functionalities for various control applications.
- What is the resolution of the ADC and DAC in the AD74412RBCPZ?
The ADC has a resolution of 16 bits, and the DACs have a resolution of 13 bits.
- What is the operating temperature range of the AD74412RBCPZ?
The device operates over a temperature range of -40°C to +85°C.
- What types of output modes does the AD74412RBCPZ support?
The device supports voltage output, current output, voltage input, externally powered current input, loop powered current input, external RTD measurement, digital input logic, and loop powered digital input.
- Does the AD74412RBCPZ have built-in diagnostic features?
Yes, it includes built-in diagnostics and alert features such as open circuit and short-circuit detection.
- What is the package type of the AD74412RBCPZ?
The device is packaged in a 64-Lead LFCSP (9mm x 9mm w/ EP).
- What is the voltage supply range for the AD74412RBCPZ?
The device requires a voltage supply range of 14V to 26.4V for the analog side and 2.7V to 5.5V for the digital side.
- Is the AD74412RBCPZ RoHS compliant?
Yes, the AD74412RBCPZ is RoHS compliant.
- What is the sampling rate of the AD74412RBCPZ?
The sampling rate is 4.8 kSPS.
- Does the AD74412RBCPZ have an internal temperature sensor?
Yes, it includes an internal temperature sensor with 5°C accuracy.
