AD7190

The AD7190 is a high-accuracy, low-power delta-sigma analog-to-digital converter (ADC) designed for precision measurement applications. It features a 24-bit resolution and is capable of operating in various modes, including single-ended and differential inputs. The device excels in applications requiring high stability and low noise, making it suitable for industrial, medical, and instrumentation systems.
With a programmable data rate ranging from 10 Hz to 4800 Hz, the AD7190 allows flexibility in balancing speed and noise performance. It incorporates integrated features such as an internal oscillator, reference, and digital filtering, simplifying system design.
Communication with the ADC is facilitated through a simple serial interface, supporting SPI and I²C protocols, which enhances integration with microcontrollers and digital signal processors. The device also includes built-in diagnostics and self-test capabilities to ensure reliability in critical applications. Overall, the AD7190 is an ideal choice for users seeking a precise and versatile ADC solution.

The AD7190 is a precision, 24-bit sigma-delta analog-to-digital converter (ADC) designed for high-performance applications. Key features include:
1. High Resolution: 24-bit resolution for accurate measurements.
2. Low Noise: High signal-to-noise ratio (SNR) for improved performance in sensitive applications.
3. Programmable Gain Amplifier (PGA): Integrated PGA with selectable gains for versatile input signal handling.
4. Input Range: Supports differential and single-ended input configurations.
5. Multiple Data Rates: Configurable output data rates for flexibility in various applications.
6. Digital Filter: Built-in digital filtering options to enhance signal clarity and reduce noise.
7. Low Power Consumption: Optimized for battery-operated devices with low power requirements.
8. SPI Interface: Serial Peripheral Interface (SPI) for easy communication with microcontrollers and processors.
9. Temperature Range: Operating temperature range suitable for industrial applications.
10. Integrated Reference: On-chip reference voltage for simplified design.
These features make the AD7190 suitable for applications such as weigh scales, industrial process control, and medical instrumentation.

The AD7190 is available in a 24-lead LFCSP (Lead Frame Chip Scale Package) and a 28-lead TSSOP (Thin Shrink Small Outline Package). These package types offer compact designs suitable for space-constrained applications while ensuring reliable performance.

The AD7190 is a precision sigma-delta analog-to-digital converter (ADC) with a total of 16 pins in its TSSOP package.
### Pin Count:
- 16 Pins
### Key Functions:
1. Power Supply (AVDD, DVDD): Supply voltages for the analog and digital sections.
2. GND: Ground reference.
3. AIN+ and AIN-: Differential input for the analog signal.
4. CS: Chip select for SPI communication.
5. SCK: Serial clock input for SPI.
6. SDO: Serial data output for SPI.
7. SDI: Serial data input for SPI.
8. DRDY: Data ready output to indicate when a new conversion result is available.
9. REFIN+ and REFIN-: Reference voltage inputs for the ADC.
10. CFG: Configuration pin for setting operational modes.
11. MISO, MOSI: SPI data lines for communication.
The AD7190 is designed for high-performance applications requiring precise measurement and data acquisition.

The AD7190 is manufactured by Analog Devices, Inc. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices is a global semiconductor company specializing in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company primarily serves sectors such as industrial automation, automotive, communications, healthcare, and consumer electronics. Analog Devices is known for its high-performance solutions that facilitate accurate data conversion and signal processing in various applications.

The AD7190 is a precision, low-noise, sigma-delta analog-to-digital converter (ADC) widely used in applications such as industrial process control, medical instrumentation, weighing scales, strain gauge measurements, and sensor signal processing. Its high resolution and noise performance make it suitable for applications requiring accurate measurement of low-level signals.

Equivalent products to the AD7190 chip include the MCP3564 from Microchip, the LTC1865 from Analog Devices, and the ADS1256 from Texas Instruments. These alternatives offer similar performance in terms of low noise, high resolution, and multi-channel functionality for precision analog-to-digital conversion applications.