Overview
The AD7856AR-REEL is a high-performance, 14-bit, 8-channel successive approximation register (SAR) analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This component is designed for data acquisition applications and features a versatile set of specifications that make it suitable for a wide range of uses.
The AD7856AR-REEL is packaged in a 24-lead SOIC (Small Outline Integrated Circuit) package, which is compact and suitable for space-constrained designs. It operates with a single 5V supply for both analog and digital sections, making it power-efficient and easy to integrate into various systems.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 14 |
| Sampling Rate (Per Second) | 285 kSPS |
| Number of Inputs | 8 |
| Input Type | Pseudo-Differential, Single Ended |
| Data Interface | SPI |
| Configuration | MUX-S/H-ADC |
| Ratio - S/H:ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | SAR |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | 5V |
| Voltage - Supply, Digital | 5V |
| Package | 24-SOIC (0.295", 7.50mm Width) |
Key Features
- High resolution of 14 bits, providing precise analog-to-digital conversion.
- Eight analog input channels, allowing for multi-channel data acquisition.
- Support for pseudo-differential and single-ended input configurations.
- Serial Peripheral Interface (SPI) for easy communication with microcontrollers or other digital systems.
- Successive Approximation Register (SAR) architecture for high-speed and low-power operation.
- Internal and external reference options, offering flexibility in system design.
- Compact 24-lead SOIC package, suitable for space-constrained applications.
Applications
- Data acquisition systems in industrial, medical, and automotive applications.
- Process control and monitoring systems.
- Medical devices requiring high precision and multi-channel data acquisition.
- Aerospace and defense systems where reliability and precision are critical.
- Automotive systems, including engine control units and safety systems.
Q & A
- What is the resolution of the AD7856AR-REEL ADC?
The AD7856AR-REEL has a resolution of 14 bits.
- How many analog input channels does the AD7856AR-REEL support?
The AD7856AR-REEL supports 8 analog input channels.
- What is the sampling rate of the AD7856AR-REEL?
The sampling rate of the AD7856AR-REEL is 285 kSPS.
- What type of data interface does the AD7856AR-REEL use?
The AD7856AR-REEL uses a Serial Peripheral Interface (SPI).
- What is the architecture of the AD7856AR-REEL ADC?
The AD7856AR-REEL uses a Successive Approximation Register (SAR) architecture.
- What are the supply voltage requirements for the AD7856AR-REEL?
The AD7856AR-REEL requires a single 5V supply for both analog and digital sections.
- What type of package does the AD7856AR-REEL come in?
The AD7856AR-REEL is packaged in a 24-lead SOIC (Small Outline Integrated Circuit) package.
- Does the AD7856AR-REEL support internal and external reference options?
Yes, the AD7856AR-REEL supports both internal and external reference options.
- What are some common applications of the AD7856AR-REEL?
The AD7856AR-REEL is commonly used in data acquisition systems, process control, medical devices, aerospace, and automotive systems.
- Is the AD7856AR-REEL RoHS compliant?
Some versions of the AD7856AR-REEL are RoHS compliant, while others are not. It is important to check the specific part number for compliance.
