Overview
The Texas Instruments ADS7841ESQDBQRQ1 is a high-performance, 12-bit, 4-channel analog-to-digital converter (ADC) designed to meet the rigorous demands of automotive and industrial applications. This ADC features a successive approximation register (SAR) architecture and a synchronous serial interface, making it ideal for systems requiring high-resolution data acquisition under harsh environmental conditions.
The device operates from a single supply voltage of 2.7 V to 5.25 V and includes a shutdown mode that significantly reduces power dissipation. It also offers a versatile input configuration with a four-channel multiplexer, allowing for both single-ended and differential input modes.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Manufacturer | Texas Instruments | |
| Analog Supply Voltage | 2.7 V to 5.25 V | |
| Digital Supply Voltage | 2.7 V to 5.25 V | |
| Architecture | SAR (Successive Approximation Register) | |
| Input Type | Single-Ended, Differential | |
| Interface Type | SPI (Synchronous Serial Interface) | |
| Number of Channels | 4 Channels | |
| Resolution | 12 bits (programmable to 8 bits or 12 bits) | |
| Sampling Rate | 200 kS/s | |
| Package / Case | SSOP-16 | |
| Mounting Style | SMD/SMT (Surface Mount) | |
| Operating Temperature Range | -40°C to +125°C | |
| Qualification | AEC-Q100 | |
| SNR - Signal to Noise Ratio | 72 dB |
Key Features
- High Resolution: 12-bit resolution with the option to program to 8 bits or 12 bits.
- High-Speed Sampling: Sampling rate of up to 200 kS/s.
- Low Power Consumption: Typical power dissipation of 2 mW at a 200-kHz throughput rate and a 5-V supply.
- Flexible Input Configuration: Four-channel multiplexer allowing for single-ended and differential input modes.
- Shutdown Mode: Reduces power dissipation to under 15 μW.
- Robust Design: Operates over a wide temperature range of -40°C to +125°C and is AEC-Q100 qualified.
- Serial Interface: Synchronous serial interface for low-cost isolation and remote data acquisition.
Applications
The ADS7841ESQDBQRQ1 is versatile and can be used in a wide range of applications, including:
- Automotive Systems: Ideal for high-resolution data acquisition in automotive environments.
- Industrial Automation: Suitable for industrial control systems requiring precise analog-to-digital conversion.
- Battery-Operated Systems: Low power consumption makes it suitable for battery-operated devices.
- Remote Data Acquisition: The serial interface provides low-cost isolation for remote data acquisition.
Q & A
- What is the resolution of the ADS7841ESQDBQRQ1?
The ADS7841ESQDBQRQ1 has a 12-bit resolution, which can be programmable to 8 bits or 12 bits.
- What is the sampling rate of the ADS7841ESQDBQRQ1?
The sampling rate is up to 200 kS/s.
- What type of interface does the ADS7841ESQDBQRQ1 use?
The device uses a synchronous serial interface (SPI).
- What is the operating temperature range of the ADS7841ESQDBQRQ1?
The operating temperature range is -40°C to +125°C).
- Is the ADS7841ESQDBQRQ1 RoHS compliant?
- What is the package type of the ADS7841ESQDBQRQ1?
The package type is SSOP-16).
- What is the power consumption of the ADS7841ESQDBQRQ1?
- Does the ADS7841ESQDBQRQ1 have a shutdown mode?
- What type of input configuration does the ADS7841ESQDBQRQ1 support?
- Is the ADS7841ESQDBQRQ1 suitable for automotive applications?
