Overview
The ADS7861EB/2K5 is a high-performance, dual-channel, 12-bit analog-to-digital converter (ADC) produced by Burr-Brown, a subsidiary of Texas Instruments. Designed for precision measurement applications, this ADC is capable of simultaneous sampling at a maximum rate of 500 kSPS. It is particularly suited for industrial automation, medical instrumentation, and test and measurement systems. The ADS7861EB/2K5 stands out for its high accuracy, low power consumption, and robust performance in harsh environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Resolution | 12 | Bits | |
| Sample Rate (Max) | 500 | kSPS | |
| Input Channels | 4 | 2+2 configuration | |
| Input Type | Differential | ||
| Input Range (Max) | 5.25 | V | |
| Power Consumption (Typ) | 25 | mW | |
| Operating Temperature Range | -40 to 125 | °C | |
| Interface | Serial | ||
| Package | SSOP|24, VQFN|32 | ||
| Reference Mode | External, Internal |
Key Features
- Simultaneous sampling of dual channels for accurate signal acquisition.
- High resolution (12-bit) ensures precise measurement capabilities.
- Low power consumption (25 mW typical) for energy-efficient designs.
- Wide operating temperature range (-40°C to 125°C) for robust performance in harsh environments.
- Flexible reference modes (external and internal) for versatile applications.
Applications
The ADS7861EB/2K5 is widely used in applications requiring high-speed and high-precision analog-to-digital conversion. Typical use cases include:
- Industrial Automation: For monitoring and control systems requiring simultaneous sampling of multiple signals.
- Medical Instrumentation: In devices such as patient monitors and diagnostic equipment where accuracy is critical.
- Test and Measurement: For data acquisition systems that demand high-speed sampling and low noise.
- Power Management: In systems that require precise voltage and current measurements.
Q & A
1. What is the resolution of the ADS7861EB/2K5?
The ADS7861EB/2K5 has a resolution of 12 bits.
2. What is the maximum sampling rate of this ADC?
The maximum sampling rate is 500 kSPS.
3. How many input channels does the ADS7861EB/2K5 support?
It supports 4 input channels in a 2+2 configuration.
4. What is the input type of the ADS7861EB/2K5?
The input type is differential.
5. What is the typical power consumption of this ADC?
The typical power consumption is 25 mW.
6. What is the operating temperature range of the ADS7861EB/2K5?
It operates in a temperature range of -40°C to 125°C.
7. What package options are available for the ADS7861EB/2K5?
It is available in SSOP|24 and VQFN|32 packages.
8. Does the ADS7861EB/2K5 support external and internal reference modes?
Yes, it supports both external and internal reference modes.
9. What are the typical applications of the ADS7861EB/2K5?
Typical applications include industrial automation, medical instrumentation, and test and measurement systems.
10. What is the input voltage range of the ADS7861EB/2K5?
The input voltage range is 0 V to 5.25 V.
