AD7705 Dual 16 Bit ADC

The AD7705 is a high-resolution, low-power, dual 16-bit sigma-delta analog-to-digital converter (ADC) designed for low-frequency measurement applications. It provides a versatile interface for digitizing a wide range of analog signals, making it ideal for use in precision instrumentation, industrial process control, and other applications requiring accurate data conversion.

Key Features:

• Dual Channel: Two independent 16-bit ADC channels for simultaneous signal measurement.
• Sigma-Delta Architecture: Ensures high accuracy and low noise performance.
• Low Power Consumption: Ideal for battery-powered and portable applications.
• Programmable Gain: Configurable gain settings to accommodate various signal ranges.
• Flexible Interface: Supports serial communication with microcontrollers and DSPs.
• Internal Reference: Includes a stable internal reference for precise measurements.
• Differential Inputs: Provides differential input capability for improved noise rejection.

Technical Specifications:

• Resolution: 16 bits
• Number of Channels: 2
• Input Type: Differential
• Reference Voltage: 2.5V (internal) or external reference
• Power Supply: 2.7V to 3.3V (low voltage version) or 4.75V to 5.25V (standard version)
• Power Consumption: 1mW (typical at 3V)
• Data Rate: Up to 1kHz (selectable)
• Interface: SPI-compatible serial interface
• Operating Temperature Range: -40°C to +85°C
• Package Type: 16-lead SOIC, 16-lead PDIP

Applications:

• Precision Instrumentation: High-resolution data acquisition for laboratory and industrial instruments.
• Process Control: Monitoring and control of industrial processes requiring accurate signal conversion.
• Portable Devices: Low-power ADC for battery-operated measurement systems.
• Medical Equipment: High-resolution data conversion for medical diagnostic devices.
• Environmental Monitoring: Accurate measurement of environmental parameters.

Datasheet:
For detailed technical specifications, refer to the AD7705 Dual 16 Bit ADC Datasheet.