Overview
The AD7703BN is a high-precision analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This component is part of the data acquisition category and is known for its high resolution and low noise performance. The AD7703BN is a 20-bit, single-channel, delta-sigma ADC that is widely used in applications requiring high accuracy and reliability.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Category | Integrated Circuits (ICs) - Data Acquisition - Analog to Digital Converters (ADC) |
| Package | 20-DIP (0.300", 7.62mm) |
| 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 |
Key Features
- High resolution: 20-bit delta-sigma ADC providing high precision and low noise performance.
- Single-channel operation: Suitable for applications requiring a single high-precision analog input.
- SPI interface: Allows for easy communication with microcontrollers and other digital systems.
- External reference: Enables the use of an external reference voltage for increased accuracy.
- Wide operating temperature range: -40°C to 85°C, making it suitable for various environmental conditions.
- Low power consumption: Operates with a single 5V supply for both analog and digital sections.
Applications
- Industrial process control: For precise measurement of analog signals in industrial environments.
- Medical devices: In applications requiring high accuracy and reliability, such as medical diagnostics and monitoring.
- Aerospace and defense: Where high precision and robustness are critical.
- Test and measurement equipment: For calibration and measurement instruments that demand high accuracy.
- Automotive systems: For precise sensor readings and data acquisition in automotive applications.
Q & A
- What is the resolution of the AD7703BN ADC?
The AD7703BN is a 20-bit analog-to-digital converter.
- What is the sampling rate of the AD7703BN?
The sampling rate of the AD7703BN is 4k samples per second.
- What type of data interface does the AD7703BN use?
The AD7703BN uses an SPI (Serial Peripheral Interface) for data communication.
- What is the input type of the AD7703BN?
The AD7703BN has a single-ended input type.
- What is the architecture of the AD7703BN ADC?
The AD7703BN uses a sigma-delta architecture.
- What is the operating temperature range of the AD7703BN?
The operating temperature range is -40°C to 85°C.
- Does the AD7703BN require an external reference voltage?
- What is the supply voltage for the AD7703BN?
The AD7703BN operates with a single 5V supply for both analog and digital sections.
- In what package is the AD7703BN available?
The AD7703BN is available in a 20-DIP (0.300", 7.62mm) package.
- What are some common applications of the AD7703BN?
The AD7703BN is commonly used in industrial process control, medical devices, aerospace and defense, test and measurement equipment, and automotive systems.
