AD7793 - 24-Bit, Low Noise, Low Power, Analog-to-Digital Converter
The AD7793 from Analog Devices Inc. is a high-performance, 24-bit analog-to-digital converter (ADC) designed for precision measurement applications. This low noise, low power ADC is ideal for process control, instrumentation, and smart sensor systems, providing high accuracy and resolution for a wide range of signals.
Key Features
- Resolution: 24-bit data output ensures high-resolution measurements, allowing for precise data acquisition.
- Low Noise: Offers an outstanding noise performance, which is critical for applications that require high signal fidelity.
- Low Power Consumption: Designed for power-sensitive applications, the AD7793 features a power-down mode to conserve energy when not in active use.
- Integrated Features: Includes an on-chip, low noise programmable gain amplifier (PGA), reference detector, and a power supply monitor, simplifying system design and reducing external component count.
- Multiple Input Channels: Supports up to 3 differential inputs, or 5 pseudo-differential inputs, providing flexibility for various sensor types and configurations.
- On-Chip Calibration: System calibration options for zero-scale and full-scale calibration ensure measurement accuracy over time and temperature.
- Digital Interface: Features a serial interface compatible with SPI, QSPI™, MICROWIRE™, and DSP interface standards for easy integration with microcontrollers and digital systems.
Applications
The AD7793 is suited for a diverse range of applications where precise data conversion is essential. It is commonly used in:
- Industrial Process Control
- Instrumentation
- Smart Transducers
- Portable Instrumentation
- Temperature and Pressure Measurement Systems
- Medical and Scientific Multichannel Instrumentation
Technical Specifications
| Parameter |
Value |
| Resolution |
24-Bit |
| Throughput Rate |
4.17 Hz to 470 Hz |
| Operating Temperature Range |
-40°C to +85°C |
| Power Supply |
2.7 V to 5.25 V |
| Package |
16-lead TSSOP |
For more detailed information, the AD7793 datasheet provides comprehensive technical specifications, application guidance, and usage scenarios.