Overview
The AD7822BRUZ-REEL7 is an 8-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the AD7822/AD7825/AD7829 family and is known for its high-speed conversion and versatile input configurations. It features a half-flash conversion technique, which enables fast conversion times and high accuracy. The AD7822BRUZ-REEL7 is packaged in a 20-lead TSSOP and operates over a temperature range of -40°C to +85°C, making it suitable for a variety of industrial and automotive applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 8 bits |
| Conversion Time | 420 ns |
| Number of Analog Input Channels | 1, 4, or 8 single-ended |
| Input Offset Adjust | Available |
| On-chip Track-and-Hold | Yes |
| On-chip Reference | 2.5 V |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | 20-Lead TSSOP |
| Power Supply Rejection (PSR) | Maximum change in full-scale transition due to power supply voltage variation |
Key Features
- 8-bit half-flash ADC with a conversion time of 420 ns
- One, four, or eight single-ended analog input channels
- Available with input offset adjust
- On-chip track-and-hold amplifier
- On-chip 2.5 V reference
- SNR performance given for input frequencies up to 10 MHz
- VMID pin to center the analog input span
Applications
The AD7822BRUZ-REEL7 is suitable for various applications requiring high-speed and accurate analog-to-digital conversion. These include:
- Industrial control systems
- Automotive systems
- Medical devices
- Aerospace and defense systems
- High-speed data acquisition systems
Q & A
- What is the resolution of the AD7822BRUZ-REEL7?
The AD7822BRUZ-REEL7 has an 8-bit resolution. - How many analog input channels does the AD7822BRUZ-REEL7 support?
The device supports one, four, or eight single-ended analog input channels. - What is the conversion time of the AD7822BRUZ-REEL7?
The conversion time is 420 ns. - Does the AD7822BRUZ-REEL7 have an on-chip reference?
Yes, it has an on-chip 2.5 V reference. - What is the operating temperature range of the AD7822BRUZ-REEL7?
The operating temperature range is -40°C to +85°C. - What package type is the AD7822BRUZ-REEL7 available in?
The device is packaged in a 20-Lead TSSOP. - Does the AD7822BRUZ-REEL7 support input offset adjust?
Yes, it supports input offset adjust. - What is the purpose of the VMID pin on the AD7822BRUZ-REEL7?
The VMID pin is used to center the analog input span anywhere in the range of AGND to VDD. - What is the significance of the on-chip track-and-hold amplifier?
The on-chip track-and-hold amplifier ensures accurate sampling of the analog input signal. - What are some typical applications of the AD7822BRUZ-REEL7?
Typical applications include industrial control systems, automotive systems, medical devices, aerospace and defense systems, and high-speed data acquisition systems.
