Texas Instruments

ADS7816P  

Analog to Digital Converters

ADS7816P Description

The ADS7816P is a 12-bit Analog-to-Digital Converter (ADC) from Texas Instruments, designed for high-performance applications that require precise conversion of analog signals into digital data. This device features a single ADC with a sampling rate of 200k samples per second, making it ideal for applications that demand rapid and accurate data acquisition. With a SAR (Successive Approximation Register) architecture, the ADS7816P offers high accuracy and low power consumption, making it suitable for battery-powered devices.

ADS7816P Features

• 12-Bit Resolution: The ADS7816P provides 12-bit resolution, which translates to 4096 discrete output levels. This high resolution ensures precise measurements and accurate signal representation.
• 200k Sampling Rate: With a sampling rate of 200k samples per second, the ADS7816P is capable of capturing fast-changing signals without missing critical data points.
• SPI Interface: The device uses a Serial Peripheral Interface (SPI) for data communication, which is a widely used and efficient protocol in the electronics industry.
• 5V Supply Voltage: Both the analog and digital supply voltages are 5V, simplifying power management in many systems.
• Differential Input: The ADS7816P features a differential input type, which helps in reducing noise and improving signal integrity.
• External Reference: The device uses an external reference, allowing for customization of the voltage range based on the application requirements.
• Through Hole Mounting: The through-hole mounting type provides a robust mechanical connection, suitable for applications where physical durability is crucial.
• REACH Unaffected and RoHS3 Compliant: The ADS7816P is compliant with the REACH regulation and RoHS directive, ensuring environmental and health safety standards are met.

ADS7816P Applications

The ADS7816P is well-suited for a variety of applications where high-resolution and fast data acquisition are necessary:

• Industrial Control Systems: For monitoring and controlling processes in industrial environments, the ADS7816P can provide the necessary precision and speed.
• Medical Equipment: In medical devices, accurate and rapid signal conversion is critical, and the ADS7816P meets these demands.
• Consumer Electronics: For applications like audio processing or sensor data acquisition in consumer electronics, the ADS7816P offers a reliable solution.
• Automotive Sensors: The device can be used in automotive applications for sensor readings, such as temperature or pressure, where both accuracy and speed are paramount.

Conclusion of ADS7816P

While the ADS7816P has been declared obsolete by Texas Instruments, it remains a robust and reliable choice for applications that require a 12-bit, high-speed ADC with a differential input and SPI interface. Its unique combination of features, such as the SAR architecture, external reference capability, and compliance with environmental standards, make it a standout choice for legacy systems or applications where this specific model is still preferred. Despite its obsolescence, the ADS7816P continues to offer performance benefits in specific use cases where its technical specifications align with the application requirements.

ADS7816P Documents

Download datasheets and manufacturer documentation for ADS7816P