Overview
The ADS7825UB, produced by Texas Instruments, is a low-power, 16-bit sampling Analog-to-Digital Converter (ADC) with a four-channel input multiplexer. It is designed for high-performance applications requiring precise and efficient analog-to-digital conversion. The device operates on a single +5V supply and features both parallel and serial data output interfaces, making it versatile for various system architectures. The ADS7825UB is available in a 28-pin SOIC package and is fully specified for operation over the industrial temperature range of –40°C to +85°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 16 bits | |
| Conversion Time | 25 µs max | |
| Input Range | ±10 V | |
| Integral Non-Linearity (INL) | ±2.0 LSB max | |
| Power Dissipation | 50 mW max | |
| Power Down Mode | 50 µW | |
| Supply Voltage | +4.75 to +5.25 V | |
| Operating Temperature Range | –40°C to +85°C | |
| Package Type | 28-pin SOIC |
Key Features
- Low-power operation with a maximum power dissipation of 50 mW and a power down mode of 50 µW.
- Four-channel input multiplexer with a full-scale input range of ±10 V.
- Internal reference voltage of +2.5 V with an external reference voltage range of 2.3 V to 2.7 V.
- Parallel and serial data output interfaces, with data format in Binary Two's Complement.
- Continuous conversion mode to sequentially digitize all four channels.
- PIN-compatible with the 12-bit ADS7824.
- High accuracy with an integral non-linearity (INL) of ±2.0 LSB max.
Applications
The ADS7825UB is suitable for a variety of applications that require high-precision analog-to-digital conversion, including:
- Industrial control systems
- Medical devices
- Aerospace and defense systems
- Automotive systems
- Data acquisition systems
Q & A
- What is the resolution of the ADS7825UB?
The ADS7825UB has a resolution of 16 bits.
- What is the maximum conversion time of the ADS7825UB?
The maximum conversion time is 25 µs.
- What is the input range of the ADS7825UB?
The input range is ±10 V.
- What is the power dissipation of the ADS7825UB in normal operation?
The power dissipation is 50 mW max.
- What is the power consumption in power down mode?
The power consumption in power down mode is 50 µW.
- What are the supported data output formats?
The device supports both parallel and serial data output formats in Binary Two's Complement.
- Can the ADS7825UB operate in continuous conversion mode?
- What is the operating temperature range of the ADS7825UB?
The operating temperature range is –40°C to +85°C.
- What type of package is the ADS7825UB available in?
The ADS7825UB is available in a 28-pin SOIC package.
- Is the ADS7825UB PIN-compatible with other models?
