Overview
The AD7825BRZ-REEL is a high-speed, 8-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This component is part of the AD7822/AD7825/AD7829 family, which offers 1-, 4-, and 8-channel configurations. The AD7825BRZ-REEL specifically features a 4-channel configuration, making it suitable for a variety of data acquisition and signal processing applications. It operates on a single 3 V or 5 V supply and is known for its high throughput rate of up to 2 million samples per second (MSPS).
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 8-bit |
| Number of Channels | 4 |
| Sampling Rate | Up to 2 MSPS |
| Supply Voltage | 3 V ± 10% or 5 V ± 10% |
| On-chip Reference | 2.5 V (2% tolerance) |
| Conversion Time | 420 ns |
| Interface | High speed parallel interface |
| Package Type | 24-Lead SOIC (0.295", 7.50mm Width) |
| Operating Temperature | -40°C to +85°C |
Key Features
- High-Speed Conversion: The AD7825BRZ-REEL offers a high throughput rate of up to 2 MSPS, making it suitable for high-speed data acquisition applications.
- Microprocessor Compatibility: The ADC features a high-speed parallel interface designed for easy interfacing with microprocessors and DSPs.
- Automatic Power-Down: The converter can automatically power down at the end of a conversion, reducing power consumption.
- On-Chip Reference and Track-and-Hold Amplifier: Includes a 2.5 V on-chip reference and a track-and-hold amplifier, enhancing the accuracy and stability of the conversion process.
- Multiple Package Options: Available in various package types, including 24-lead SOIC, PDIP, and TSSOP.
Applications
- Data Acquisition Systems: Ideal for high-speed data acquisition in various industrial, medical, and scientific applications.
- Signal Processing: Suitable for signal processing in audio, video, and other high-speed signal processing applications.
- Embedded Systems: Can be integrated into embedded systems requiring high-speed analog-to-digital conversion.
- Medical Devices: Used in medical devices that require precise and high-speed analog-to-digital conversion, such as patient monitoring systems.
Q & A
- What is the resolution of the AD7825BRZ-REEL ADC?
The AD7825BRZ-REEL has an 8-bit resolution.
- How many channels does the AD7825BRZ-REEL support?
The AD7825BRZ-REEL supports 4 channels.
- What is the maximum sampling rate of the AD7825BRZ-REEL?
The maximum sampling rate is up to 2 MSPS.
- What are the supply voltage options for the AD7825BRZ-REEL?
The AD7825BRZ-REEL can operate on a single 3 V ± 10% or 5 V ± 10% supply.
- Does the AD7825BRZ-REEL have an on-chip reference?
Yes, it includes a 2.5 V on-chip reference with a 2% tolerance.
- What is the conversion time of the AD7825BRZ-REEL?
The conversion time is 420 ns.
- What type of interface does the AD7825BRZ-REEL use?
The AD7825BRZ-REEL uses a high-speed parallel interface.
- In what package types is the AD7825BRZ-REEL available?
It is available in 24-lead SOIC, PDIP, and TSSOP packages.
- Does the AD7825BRZ-REEL support automatic power-down?
Yes, it supports automatic power-down at the end of a conversion.
- What are some common applications of the AD7825BRZ-REEL?
Common applications include data acquisition systems, signal processing, embedded systems, and medical devices.
