Overview
The ADS7828EB/2K5G4, produced by Texas Instruments, is a single-supply, low-power, 12-bit analog-to-digital converter (ADC) designed for various data acquisition applications. It features an 8-channel multiplexer and a serial I2C interface, supporting standard, fast, and high-speed modes. The device is fabricated on a 0.6µ CMOS process and includes an internal sample-and-hold amplifier and an asynchronous clock. This ADC is ideal for applications requiring low power consumption and high precision, such as voltage-supply monitoring, isolated data acquisition, and battery-operated systems.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12 bits | |
| Number of Input Channels | 8 | |
| Sampling Rate | 50 kHz | |
| Input Type | Pseudo-Differential, Single-Ended | |
| Analog Voltage Range | 2.7V to 5.25V | V |
| Reference Mode | Internal (2.5V), External | |
| Interface | I2C (Standard, Fast, High-Speed) | |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Type | TSSOP-16 | |
| Power Consumption (Typical) | 0.675 mW (High-Speed Mode) | mW |
| SINAD (Typical) | 71 dB | dB |
| SNR (Typical) | 72 dB | dB |
| THD (Typical) | -82 dB | dB |
Key Features
- 8-channel multiplexer for multiple analog input channels
- 12-bit resolution with no missing codes
- Serial I2C interface supporting standard, fast, and high-speed modes
- Internal 2.5V reference voltage, with option for external reference
- Low power consumption: 0.675 mW in high-speed mode
- Operating voltage range: 2.7V to 5.25V
- High accuracy with integral linearity error of ±1 LSB
- Operating temperature range: -40°C to +85°C
- TSSOP-16 package for compact design
Applications
- Voltage-supply monitoring
- Isolated data acquisition
- Transducer interfaces
- Battery-operated systems
- Remote data acquisition
Q & A
- What is the resolution of the ADS7828EB/2K5G4 ADC?
The resolution of the ADS7828EB/2K5G4 is 12 bits.
- How many input channels does the ADS7828EB/2K5G4 have?
The ADS7828EB/2K5G4 has 8 input channels.
- What is the maximum sampling rate of the ADS7828EB/2K5G4?
The maximum sampling rate is 50 kHz.
- What types of input are supported by the ADS7828EB/2K5G4?
The device supports pseudo-differential and single-ended inputs.
- What is the operating voltage range of the ADS7828EB/2K5G4?
The operating voltage range is from 2.7V to 5.25V.
- What interface does the ADS7828EB/2K5G4 use for data communication?
The device uses an I2C interface, supporting standard, fast, and high-speed modes.
- What is the typical power consumption of the ADS7828EB/2K5G4 in high-speed mode?
The typical power consumption in high-speed mode is 0.675 mW.
- What is the operating temperature range of the ADS7828EB/2K5G4?
The operating temperature range is from -40°C to +85°C.
- What package type is used for the ADS7828EB/2K5G4?
The device is packaged in a TSSOP-16.
- What are some common applications of the ADS7828EB/2K5G4?
Common applications include voltage-supply monitoring, isolated data acquisition, transducer interfaces, battery-operated systems, and remote data acquisition.
