Overview
The ADS7828EB/250G4, produced by Texas Instruments, is a single-supply, low-power, 12-bit data acquisition device. It features a serial I2C interface and an 8-channel multiplexer, making it ideal for various applications requiring precise analog-to-digital conversion. The device operates within a voltage range of 2.7V to 5V and includes an internal 2.5V reference. Its low power consumption and support for standard, fast, and high-speed I2C modes make it suitable for remote data acquisition and battery-operated systems.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12-bit | |
| Sampling Rate | 50 kHz | |
| Supply Voltage | 2.7V to 5V | V |
| Internal Reference | 2.5V | V |
| I2C Interface Modes | Standard, Fast, High-Speed | |
| Integral Linearity Error | ±1.0 LSB (ADS7828EB) | LSB |
| Differential Linearity Error | ±0.5 LSB (ADS7828EB) | LSB |
| Offset Error | ±3 LSB (ADS7828EB) | LSB |
| Gain Error | ±4 LSB (ADS7828EB) | LSB |
| Quiescent Current (High Speed Mode) | 225 µA | µA |
| Power Dissipation (High Speed Mode) | 675 µW | µW |
| Operating Temperature Range | –40°C to +85°C | °C |
| Package Type | TSSOP-16 |
Key Features
- 8-channel multiplexer for multiple input channel selection
- No missing codes in the analog-to-digital conversion process
- Internal 2.5V reference voltage
- Support for I2C serial interface in standard, fast, and high-speed modes
- Low power consumption with micropower operation
- Sample-and-hold amplifier and internal asynchronous clock
- Available in TSSOP-16 package
Applications
- Voltage-supply monitoring
- Isolated data acquisition
- Transducer interfaces
- Battery-operated systems
- Remote data acquisition
Q & A
- What is the resolution of the ADS7828EB?
The ADS7828EB has a resolution of 12 bits.
- What is the sampling rate of the ADS7828EB?
The sampling rate of the ADS7828EB is 50 kHz.
- What are the supported I2C interface modes for the ADS7828EB?
The ADS7828EB supports standard, fast, and high-speed I2C interface modes.
- What is the internal reference voltage of the ADS7828EB?
The internal reference voltage of the ADS7828EB is 2.5V.
- What is the operating temperature range of the ADS7828EB?
The operating temperature range of the ADS7828EB is –40°C to +85°C.
- What is the package type of the ADS7828EB?
The ADS7828EB is available in a TSSOP-16 package.
- What are some typical applications of the ADS7828EB?
Typical applications include voltage-supply monitoring, isolated data acquisition, transducer interfaces, battery-operated systems, and remote data acquisition.
- How does the ADS7828EB manage power consumption?
The ADS7828EB has low power consumption with micropower operation, and it can enter a power-down mode to reduce current draw.
- What is the quiescent current of the ADS7828EB in high-speed mode?
The quiescent current of the ADS7828EB in high-speed mode is 225 µA.
- How many channels does the ADS7828EB's multiplexer support?
The ADS7828EB's multiplexer supports 8 channels.
