Overview
The AD7175-2BRUZ-RL from Analog Devices Inc. is a high-performance, 24-bit, sigma-delta analog-to-digital converter (ADC) designed for low bandwidth input applications. This device is notable for its low noise, fast settling time, and versatile configuration options. It is available in a 24-lead TSSOP package and operates within a temperature range of -40°C to +105°C. The AD7175-2 is ideal for various precision measurement applications, including process control, temperature and pressure measurement, and medical instrumentation.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 24 bits |
| Maximum Sample Rate | 250 kSPS |
| Settling Time | 20 µs |
| Channel Configuration | 2 fully differential or 4 single-ended channels |
| Input Buffers | True rail-to-rail analog and reference input buffers |
| Internal Reference | 2.5 V low drift (2 ppm/°C) |
| Power Supply | AVDD1 = 5 V, AVDD2 = IOVDD = 2 V to 5 V, or ±2.5 V AVDD1/AVSS |
| Operating Temperature Range | -40°C to +105°C |
| Package | 24-lead TSSOP |
| Digital Interface | SPI, QSPI, MICROWIRE, and DSP compatible |
Key Features
- Low noise and fast settling time, with a maximum channel scan rate of 50 kSPS (20 µs) for fully settled data.
- Flexible output data rates ranging from 5 SPS to 250 kSPS.
- User-configurable input channels with integrated true rail-to-rail buffers on the analog inputs and external reference inputs.
- Precision 2.5 V low drift internal reference with output reference buffer.
- Digital filter allowing simultaneous 50 Hz/60 Hz rejection at 27.27 SPS output data rate.
- Offset and gain calibration registers configurable on a per channel basis.
- Internal or external clock options.
Applications
- Process control: PLC/DCS modules.
- Temperature and pressure measurement.
- Medical and scientific multichannel instrumentation.
- Chromatography.
Q & A
- What is the resolution of the AD7175-2BRUZ-RL ADC?
The AD7175-2BRUZ-RL has a resolution of 24 bits.
- What is the maximum sample rate of the AD7175-2BRUZ-RL?
The maximum sample rate is 250 kSPS.
- What is the settling time of the AD7175-2BRUZ-RL?
The settling time is 20 µs.
- How many channels does the AD7175-2BRUZ-RL support?
The device supports 2 fully differential or 4 single-ended channels.
- What type of input buffers does the AD7175-2BRUZ-RL have?
The device has true rail-to-rail analog and reference input buffers.
- What is the operating temperature range of the AD7175-2BRUZ-RL?
The operating temperature range is -40°C to +105°C.
- What type of digital interface does the AD7175-2BRUZ-RL support?
The device supports SPI, QSPI, MICROWIRE, and DSP compatible interfaces.
- What is the package type of the AD7175-2BRUZ-RL?
The device is packaged in a 24-lead TSSOP package.
- Does the AD7175-2BRUZ-RL have an internal reference?
Yes, it has a precision 2.5 V low drift internal reference with an output reference buffer.
- What are some common applications of the AD7175-2BRUZ-RL?
Common applications include process control, temperature and pressure measurement, medical instrumentation, and chromatography.
