Overview
The AD7822BRUZ is a high-speed, 8-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD7822/AD7825/AD7829 family, which offers 1-, 4-, and 8-channel configurations. The AD7822BRUZ is specifically a 1-channel ADC, making it suitable for various applications requiring fast and accurate analog-to-digital conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Conversion Time | 420 ns |
| Number of Channels | 1 |
| Resolution | 8-bit |
| Throughput | Up to 2 MSPS |
| Supply Voltage | 3 V ± 10%, 5 V ± 10% |
| Input Voltage Range | 0 V to 2 V p-p (VDD = 3 V ± 10%), 0 V to 2.5 V p-p (VDD = 5 V ± 10%) |
| On-chip Reference | 2.5 V (2% tolerance) |
| Package Type | 20-Lead TSSOP |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- High-speed conversion time of 420 ns, allowing for fast data acquisition and processing.
- On-chip track-and-hold amplifier and 2.5 V reference with 2% tolerance.
- Flexible parallel interface with an end-of-conversion (EOC) pulse, enabling standalone operation and easy interfacing with microprocessors and DSPs.
- Automatic power-down at the end of conversion, reducing power consumption.
- Analog input span adjustment via the VMID pin, allowing for offset of the input span.
- Wide operating supply range and input voltage ranges, making it versatile for different applications.
Applications
- Data acquisition systems.
- DSP front ends.
- Disk drives.
- Mobile communication systems.
- Subsampling applications.
Q & A
- What is the conversion time of the AD7822BRUZ?
The conversion time of the AD7822BRUZ is 420 ns. - How many channels does the AD7822BRUZ have?
The AD7822BRUZ has 1 channel. - What is the resolution of the AD7822BRUZ?
The resolution of the AD7822BRUZ is 8-bit. - What is the maximum throughput of the AD7822BRUZ?
The maximum throughput of the AD7822BRUZ is up to 2 MSPS. - What are the supply voltage options for the AD7822BRUZ?
The AD7822BRUZ can operate from a single 3 V ± 10% and 5 V ± 10% supply. - What is the input voltage range for the AD7822BRUZ?
The input voltage range is 0 V to 2 V p-p for VDD = 3 V ± 10% and 0 V to 2.5 V p-p for VDD = 5 V ± 10%. - Does the AD7822BRUZ have an on-chip reference?
Yes, the AD7822BRUZ has an on-chip reference of 2.5 V with a 2% tolerance. - What type of package does the AD7822BRUZ come in?
The AD7822BRUZ comes in a 20-Lead TSSOP package. - What is the operating temperature range of the AD7822BRUZ?
The operating temperature range is -40°C to +85°C. - Does the AD7822BRUZ support automatic power-down?
Yes, the AD7822BRUZ supports automatic power-down at the end of conversion.
