Overview
The AD7175-2BRUZ is a 24-bit, 250 kSPS sigma-delta analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is designed for low bandwidth inputs and features a low noise, fast settling, and multiplexed architecture. It supports both fully and pseudo-differential input channels, making it versatile for various analog signal processing applications. The AD7175-2BRUZ is packaged in a 24-lead Thin Shrink Small Outline Package (TSSOP) and operates over a wide temperature range of -40°C to +105°C.
Key Specifications
| Parameter | Description |
|---|---|
| Resolution | 24 bits |
| Sampling Rate | Up to 250 kSPS |
| Input Channels | 2-/4-channel (fully/pseudo differential) |
| Settling Time | 20 µs for fully settled data |
| Output Data Rates | 5 SPS to 250 kSPS |
| Analog Input Buffers | True rail-to-rail buffers |
| Internal Reference | 2.5 V low drift (2 ppm/°C) band gap internal reference |
| Digital Filter | Simultaneous 50 Hz/60 Hz rejection at 27.27 SPS output data rate |
| Supply Voltage | 5 V AVDD1, or ±2.5 V AVDD1/AVSS, and 2 V to 5 V AVDD2 and IOVDD |
| Operating Temperature Range | -40°C to +105°C |
| Package | 24-lead TSSOP |
Key Features
- Low noise and fast settling time, making it suitable for high-precision applications.
- Integrated true rail-to-rail buffers on the analog inputs and external reference inputs for easy driving of high impedance inputs.
- Precision 2.5 V low drift internal reference with output reference buffer to reduce external component count.
- Digital filter options for simultaneous 50 Hz/60 Hz rejection.
- Offset and gain calibration registers configurable on a per channel basis.
- Automatic channel switching through selected channels.
- Low power consumption with shutdown mode and power cycling capability to minimize system power requirements.
Applications
- Temperature and pressure measurement systems.
- Industrial automation and control systems.
- Medical devices requiring high precision and low noise ADCs.
- Automotive systems for sensor data acquisition.
- Test and measurement equipment.
Q & A
- What is the resolution of the AD7175-2BRUZ ADC?
The AD7175-2BRUZ has a resolution of 24 bits.
- What is the maximum sampling rate of the AD7175-2BRUZ?
The maximum sampling rate is up to 250 kSPS.
- What types of input channels does the AD7175-2BRUZ support?
The device supports both fully and pseudo-differential input channels.
- What is the settling time for fully settled data?
The settling time is 20 µs for fully settled data.
- What is the operating temperature range of the AD7175-2BRUZ?
The operating temperature range is -40°C to +105°C.
- What package type is the AD7175-2BRUZ available in?
The device is packaged in a 24-lead TSSOP.
- Does the AD7175-2BRUZ have integrated analog input buffers?
Yes, it has true rail-to-rail buffers on the analog inputs.
- What is the precision of the internal reference voltage?
The internal reference voltage has a low drift of 2 ppm/°C.
- Can the AD7175-2BRUZ reject 50 Hz and 60 Hz noise simultaneously?
Yes, it can reject 50 Hz and 60 Hz noise simultaneously at a 27.27 SPS output data rate.
- Is the AD7175-2BRUZ suitable for low power applications?
Yes, it has low power consumption with a shutdown mode and power cycling capability to minimize system power requirements.
