Overview
The AD7172-4BCPZ-RL7 is a low noise, low power, multiplexed, Σ-Δ (Sigma-Delta) analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed to handle low bandwidth signals with high precision and flexibility. It offers 4- or 8-channel inputs, which can be configured as fully differential or single-ended channels, making it versatile for various signal input requirements. The ADC features a maximum channel scan rate of 6.21 kSPS and output data rates ranging from 1.25 SPS to 31.25 kSPS, catering to diverse data processing needs.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Series | AD7172-4 |
| Resolution | 24 bit | Number of Channels | 8 Channel |
| Sampling Rate | 31.25 kS/s | Input Type | Differential/Single-Ended |
| Architecture | Sigma-Delta | Reference Type | External, Internal |
| Analog Supply Voltage | 3 V to 5.5 V | Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +105°C | Packaging | 32-Lead LFCSP (5mm x 5mm x 0.75mm w/ EP) |
| Number of Converters | 1 Converter | Output Type | Digital |
| Type | ADC | Brand | Analog Devices |
| Power Dissipation | 22.4 mW | Reference Voltage | 2.5 V |
Key Features
- Rapid Data Transfer: The AD7172-4BCPZ-RL7 supports rapid data transfer with output data rates ranging from 1.25 SPS to 31.25 kSPS.
- Efficient Processing: It features a maximum channel scan rate of 6.21 kSPS, ensuring efficient data handling.
- Simplified Integration: The ADC integrates key analog and digital signal conditioning blocks, allowing users to configure individual setups for each analog input channel via the SPI interface.
- True Rail-to-Rail Buffers: Integrated true rail-to-rail buffers on the analog inputs and reference inputs provide easy driving of high impedance inputs.
- Digital Filter Capabilities: The digital filter allows simultaneous 50 Hz and 60 Hz rejection at a 27.27 SPS output data rate.
- General-Purpose Input/Outputs (GPIOs): GPIOs control external multiplexers synchronous to the ADC conversion timing.
Applications
- Industrial Automation Sensors: Suitable for use in industrial automation systems where precise signal measurement is required.
- Chemical Process Monitoring: Used in chemical process monitoring due to its ability to handle low bandwidth signals accurately.
- Gas Detection Systems: Employed in gas detection systems for precise measurement and data processing.
- Process Control: Utilized in PLC/DCS modules for process control applications.
- Medical and Scientific Instrumentation: Applied in medical and scientific multichannel instrumentation due to its high precision and low noise characteristics.
- Temperature and Pressure Measurement: Used for temperature and pressure measurement in various industrial and scientific applications.
- Chromatography: Suitable for chromatography applications requiring precise signal conversion.
Q & A
- Q: What is the resolution of the AD7172-4BCPZ-RL7?
A: The resolution of the AD7172-4BCPZ-RL7 is 24 bits. - Q: How many channels does the AD7172-4BCPZ-RL7 support?
A: The AD7172-4BCPZ-RL7 supports 4 or 8 channels, which can be configured as fully differential or single-ended channels. - Q: What is the maximum sampling rate of the AD7172-4BCPZ-RL7?
A: The maximum sampling rate of the AD7172-4BCPZ-RL7 is 31.25 kS/s. - Q: What is the operating temperature range of the AD7172-4BCPZ-RL7?
A: The operating temperature range is from -40°C to +105°C. - Q: What type of packaging does the AD7172-4BCPZ-RL7 use?
A: The AD7172-4BCPZ-RL7 is packaged in a 32-Lead LFCSP (5mm x 5mm x 0.75mm w/ EP). - Q: Does the AD7172-4BCPZ-RL7 support external or internal clocking?
A: Yes, the AD7172-4BCPZ-RL7 supports both external and internal clocking. - Q: What is the power dissipation of the AD7172-4BCPZ-RL7?
A: The power dissipation of the AD7172-4BCPZ-RL7 is 22.4 mW. - Q: How does the AD7172-4BCPZ-RL7 handle 50 Hz and 60 Hz noise rejection?
A: The AD7172-4BCPZ-RL7 features a digital filter that allows simultaneous 50 Hz and 60 Hz rejection at a 27.27 SPS output data rate. - Q: What kind of signal conditioning does the AD7172-4BCPZ-RL7 provide?
A: The AD7172-4BCPZ-RL7 integrates key analog and digital signal conditioning blocks, including true rail-to-rail buffers and configurable offset and gain calibration registers. - Q: What is the warranty period for the AD7172-4BCPZ-RL7 purchased from Ovaga?
A: Ovaga offers a 1-year warranty on the AD7172-4BCPZ-RL7, covering any defects in materials and workmanship under normal use. - Q: How does Ovaga ensure the authenticity of the AD7172-4BCPZ-RL7?
A: Ovaga ensures authenticity by rigorously testing and verifying the credentials of original Analog Devices, Inc. manufacturers and authorized agents.
