Overview
The AD7175-2BRUZ-RL7 is a high-performance, 24-bit, sigma-delta analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is designed for low-bandwidth input applications and offers a range of features that make it versatile and efficient. It integrates key analog and digital signal conditioning blocks, allowing users to configure individual settings for each analog input channel. The AD7175-2 is particularly suited for applications requiring fast settling times, high accuracy, and low noise performance.
Key Specifications
| Parameter | Specification |
|---|---|
| Resolution | 24 bits |
| Output Data Rate | 5 SPS to 250 kSPS |
| Channel Scan Rate | 50 kSPS/channel (20 µs settling) |
| Noise Free Bits | 17.2 bits at 250 kSPS, 20 bits at 2.5 kSPS, 24 bits at 20 SPS |
| Integral Non-Linearity (INL) | ±1 ppm of FSR |
| Power Supply | AVDD1 = 5 V, AVDD2 = IOVDD = 2 V to 5 V, or ±2.5 V AVDD1/AVSS |
| Temperature Range | −40°C to +105°C |
| Package | 24-Lead TSSOP |
| Internal Reference | 2.5 V, ±2 ppm/°C drift |
| Input Channels | 2 fully differential or 4 single-ended channels |
Key Features
- Fast and flexible output rate: 5 SPS to 250 kSPS
- True rail-to-rail analog and reference input buffers
- User configurable input channels: 2 fully differential or 4 single-ended channels
- Crosspoint multiplexer for channel selection
- On-chip 2.5 V reference with ±2 ppm/°C drift
- Internal or external clock option
- Simultaneous 50 Hz/60 Hz rejection with digital filter
- Offset and gain calibration registers on a per channel basis
- Serial digital interface (SPI, QSPI, MICROWIRE, and DSP compatible)
Applications
- Process control: PLC/DCS modules
- Temperature and pressure measurement
- Medical and scientific multichannel instrumentation
- Chromatography
Q & A
- What is the resolution of the AD7175-2 ADC?
The AD7175-2 has a resolution of 24 bits.
- What are the output data rates of the AD7175-2?
The output data rates range from 5 SPS to 250 kSPS.
- How many input channels does the AD7175-2 support?
The AD7175-2 supports 2 fully differential or 4 single-ended input channels.
- What is the temperature range of the AD7175-2?
The operating temperature range is −40°C to +105°C.
- Does the AD7175-2 have an internal reference?
Yes, it has an on-chip 2.5 V reference with ±2 ppm/°C drift.
- What types of digital interfaces does the AD7175-2 support?
The AD7175-2 supports SPI, QSPI, MICROWIRE, and DSP compatible serial digital interfaces.
- Can the AD7175-2 reject 50 Hz and 60 Hz noise?
Yes, it can reject 50 Hz and 60 Hz noise simultaneously with its digital filter.
- What is the package type of the AD7175-2?
The AD7175-2 is packaged in a 24-Lead TSSOP.
- Does the AD7175-2 support offset and gain calibration?
Yes, it supports offset and gain calibration registers on a per channel basis.
- What are some common applications of the AD7175-2?
Common applications include process control, temperature and pressure measurement, medical and scientific instrumentation, and chromatography.
