AD7703BRZ-REEL

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AD7703BRZ-REEL

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IC ADC 20BIT SIGMA-DELTA 20SOIC

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Spezifikationen

Attribut Wert
Part Status Active
Number of Bits 20
Sampling Rate (Per Second) 4k
Number of Inputs 1
Input Type Single Ended
Data Interface SPI
Configuration S/H-ADC
Ratio - S / H: ADC 1:1
Number of A / D Converters 1
Architecture Sigma-Delta
Reference Type External
Voltage - Supply, Analog 5V
Voltage - Supply, Digital 5V
Operating Temperature -40°C ~ 85°C
Package / Case 20-SOIC (0.295", 7.50mm Width)
Supplier Device Package 20-SOIC
Mounting Type Surface Mount
Base Product Number AD7703

Übersicht

Description

The AD7703BRZ-REEL is a precision, low-power, dual-channel analog-to-digital converter (ADC) designed by Analog Devices. Operating with a 16-bit resolution, it is ideal for low-frequency applications, featuring a programmable gain amplifier (PGA) that enhances signal conditioning for different input ranges. The device employs a sigma-delta conversion architecture, which offers high accuracy and noise immunity.
Key features include differential inputs, a serial data interface for easy communication with microcontrollers, and the ability to operate on a single power supply. The AD7703 is suitable for various applications, including industrial process control, medical instrumentation, and portable measurement devices.
Its integration of multiple functions helps reduce component count and PCB space. The chip is housed in a compact package, making it suitable for space-constrained designs. Overall, the AD7703BRZ-REEL is a reliable choice for users requiring precise analog signal processing in their systems.

Equivalent

The AD7703BRZ-REEL is a precision analog-to-digital converter (ADC). Equivalent products include:
1. AD7704 - Similar features with additional channels.
2. MAX1232 - 12-bit ADC with low power consumption.
3. MCP3204 - 12-bit, quad-channel ADC from Microchip.
4. LTC1867 - 16-bit, low-power ADC suitable for various applications.
Always check specifications for compatibility with your specific design requirements.

Features

The AD7703BRZ-REEL is a precision, low-power, sigma-delta analog-to-digital converter (ADC) designed for high-performance applications. Key features include:
1. 24-Bit Resolution: Provides high accuracy for various measurement applications.
2. Two Differential Inputs: Supports simultaneous sampling of two input channels.
3. Low Noise: High signal-to-noise ratio (SNR) ensures reliable data acquisition.
4. Internal Reference Voltage: Offers a stable reference for consistent performance.
5. Flexible Output Data Rates: Configurable rates of up to 1000 SPS (samples per second).
6. Integrated Digital Filter: Reduces noise and enhances signal integrity.
7. Serial Interface: SPI-compatible interface for easy communication with microcontrollers.
8. Low Power Consumption: Suitable for battery-operated devices.
9. Temperature Range: Operates over a wide temperature range, making it robust for various environments.
10. Programmable Gain Amplifier (PGA): Allows for scaling of input signals for better utilization of the ADC range.
These features make the AD7703BRZ-REEL ideal for industrial, medical, and instrumentation applications.

Pinout

The AD7703BRZ-REEL is a 16-pin integrated circuit designed for analog-to-digital conversion. It features a dual-channel, sigma-delta ADC suitable for low-frequency applications, including sensor interfacing.
Pin Count: 16 pins
Key Functions:
1. Power Supply: Pins for VDD and GND provide the necessary power to the device.
2. Analog Inputs: Inputs for connecting to sensors or signal sources (AIN1 and AIN2).
3. Digital Interface: SPI-compatible interface for communication with microcontrollers (DIN, DOUT, SCLK, CS).
4. Reference Voltage: A pin for applying a reference voltage (VREF) that sets the ADC's input range.
5. Clock Input: A dedicated pin for providing an external clock signal.
6. Reset and Configuration: Pins for reset (RST) and configuration settings for device operation.
This device is ideal for applications requiring precision in measuring analog signals.

Manufacturer

The AD7703BRZ-REEL is manufactured by Analog Devices, Inc. (ADI), a multinational semiconductor company headquartered in Norwood, Massachusetts, USA. Analog Devices specializes in the design and manufacturing of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs).
The company focuses on applications in various sectors, including industrial automation, automotive, healthcare, communications, and consumer electronics. ADI is known for its innovative solutions that enable the conversion of real-world phenomena into digital signals, facilitating improved signal processing and data acquisition.
With a strong emphasis on research and development, Analog Devices has established itself as a leader in the analog semiconductor market, providing products that enhance performance and reliability in electronic systems. The AD7703BRZ-REEL is an example of their expertise in precision analog components, specifically designed for applications requiring high-performance data acquisition and signal conditioning.

Application

The AD7703BRZ-REEL is a precision, low-power analog-to-digital converter (ADC) primarily used in industrial applications. Key areas include:
1. Weighing Scales: For accurate load measurements.
2. Process Control: Monitoring and control in manufacturing processes.
3. Instrumentation: Used in sensors and measurement devices.
4. Medical Devices: In applications like blood pressure monitors and other diagnostic equipment.
5. Data Acquisition Systems: Collecting and digitizing analog signals.
6. Consumer Electronics: In devices requiring precision measurement.
Its features make it suitable for any application demanding high accuracy and low noise in analog signal processing.

Package

The AD7703BRZ-REEL is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package) format. This surface-mount package is designed for efficient space usage on PCBs.

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