AD7713AR Signal Conditioning ADC from Analog Devices Inc.

The AD7713AR is a sophisticated signal conditioning analog-to-digital converter (ADC) designed by Analog Devices Inc. to cater to a wide array of applications requiring high precision and low noise. This integrated circuit is particularly adept at handling low-level sensor signals in industrial, instrumentation, and medical applications, making it a versatile component for designers looking to enhance their systems with reliable data acquisition capabilities.

Key Features

• 24-bit Sigma-Delta ADC: The AD7713AR boasts a high-resolution 24-bit sigma-delta ADC, ensuring accurate and noise-immune data conversion.
• Programmable Gain Amplifier (PGA): It includes a programmable gain amplifier, allowing for signal amplification directly on the chip, which can be set to gains of 1, 2, 32, or 128 to accommodate various sensor outputs.
• Flexible Input Channels: The device features two differential analog input channels that can be independently configured, providing the flexibility to interface with different sensor types simultaneously.
• On-Chip Calibration: With self-calibration and system calibration options, the AD7713AR ensures high accuracy and minimizes the effects of offset, gain, and 1/f noise.
• Low Power Consumption: It operates with low power consumption, making it an excellent choice for battery-operated and portable devices.
• Digital Filtering: The on-chip digital filtering reduces the influence of external noise, leading to cleaner signal processing.

Technical Specifications

• Supply Voltage: 5 V ± 10%
• Input Voltage Range: ±10 mV to ±2.5 V
• Data Output Rate: Programmable up to 100 Hz
• Interface: Serial, compatible with SPI, QSPI™, MICROWIRE™, and DSP interface standards
• Package: 24-pin SOIC (Small Outline Integrated Circuit)

Applications

The AD7713AR is ideally suited for precision data acquisition in:

• Process Control Systems
• Portable Instrumentation
• Pressure Transducers
• Smart Transmitters
• Industrial Weigh Scales
• Medical Monitoring Equipment

In summary, the AD7713AR from Analog Devices Inc. is a highly reliable, precision ADC that offers excellent signal conditioning capabilities, making it a go-to choice for engineers seeking to integrate high-quality data acquisition into their designs.