Overview
The ADS7828EIPWRQ1 is a 12-bit, 8-channel sampling analog-to-digital converter (ADC) produced by Texas Instruments. This device is designed for low-power, single-supply operation and features a serial I2C interface. It is particularly suited for applications requiring high accuracy and low power consumption, making it ideal for use in remote locations and isolated data acquisition systems.
The ADS7828EIPWRQ1 is qualified for automotive applications and is available in a TSSOP-16 package. It operates within a voltage range of 2.7 V to 5 V and includes an internal 2.5-V reference, which can also be used as an external reference input.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Supply Voltage (VDD) | 2.7 | - | 5 | V |
| Sampling Rate | - | - | 50 kHz | - |
| Resolution | - | - | 12 bits | - |
| Integral Linearity Error | ±0.5 | ±1 | ±2 | LSB |
| Differential Linearity Error | ±0.5 | - | ±1 | LSB |
| Offset Error | ±0.75 | - | ±3 | LSB |
| Gain Error | ±0.75 | - | ±4 | LSB |
| Signal-to-Noise Ratio (SNR) | - | - | 72 dB | - |
| Channel-to-Channel Isolation | - | - | 120 dB | - |
| Internal Reference Voltage | 2.475 | 2.5 | 2.525 | V |
| Quiescent Current (High-Speed Mode) | - | - | 850 µA | - |
Key Features
- 12-bit resolution with 8-channel multiplexer
- Serial I2C interface supporting standard, fast, and high-speed modes
- Internal 2.5-V reference with external reference input capability
- No missing codes and low power consumption
- Operating voltage range of 2.7 V to 5 V
- High sampling rate of up to 50 kHz
- Excellent AC accuracy with high signal-to-noise ratio (SNR) and spurious-free dynamic range (SFDR)
- High channel-to-channel isolation of 120 dB
- Available in TSSOP-16 package
Applications
- Automotive Head Units and Heads-Up Display (HUD) systems
- Automotive Battery Management Systems and On-Board Chargers
- Voltage-Supply Monitoring and Isolated Data Acquisition
- Transducer Interfaces and Battery-Operated Systems
- Remote Data Acquisition and various sensor applications (NOx, PM, O2, Lambda, A/F, NH3, etc.)
Q & A
- What is the resolution of the ADS7828EIPWRQ1 ADC? The ADS7828EIPWRQ1 has a 12-bit resolution.
- What is the maximum sampling rate of the ADS7828EIPWRQ1? The maximum sampling rate is up to 50 kHz.
- What is the operating voltage range of the ADS7828EIPWRQ1? The operating voltage range is from 2.7 V to 5 V.
- Does the ADS7828EIPWRQ1 have an internal reference voltage? Yes, it has an internal 2.5-V reference voltage.
- What interface does the ADS7828EIPWRQ1 use for communication? It uses a serial I2C interface.
- What is the package type of the ADS7828EIPWRQ1? It is available in a TSSOP-16 package.
- Is the ADS7828EIPWRQ1 qualified for automotive applications? Yes, it is qualified for automotive applications.
- What is the signal-to-noise ratio (SNR) of the ADS7828EIPWRQ1? The SNR is up to 72 dB.
- What is the channel-to-channel isolation of the ADS7828EIPWRQ1? The channel-to-channel isolation is 120 dB.
- What are some common applications of the ADS7828EIPWRQ1? Common applications include automotive systems, voltage-supply monitoring, isolated data acquisition, and various sensor interfaces.
