Overview
The AD7829BRUZ is a high-speed, 8-channel, microprocessor-compatible, 8-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD7822/AD7825/AD7829 family and is designed for high-performance data acquisition and conversion. It features a fast conversion time of 420 ns and a maximum throughput of 2 million samples per second (MSPS). The AD7829BRUZ operates from a single supply voltage of either 3 V ± 10% or 5 V ± 10% and includes an on-chip reference and track-and-hold amplifier, making it suitable for various applications requiring precise and rapid analog-to-digital conversion.
Key Specifications
| Parameter | Description |
|---|---|
| Resolution | 8-bit |
| Conversion Time | 420 ns |
| Throughput | Up to 2 MSPS |
| Number of Channels | 8 single-ended analog input channels |
| Supply Voltage | 3 V ± 10%, 5 V ± 10% |
| Input 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 | 28-Lead TSSOP (4.4mm x 9.7mm), 28-Lead SOIC (Wide) |
| Operating Temperature | −40°C to +85°C |
Key Features
- Fast conversion time of 420 ns and high throughput of up to 2 MSPS
- On-chip 2.5 V reference with 2% tolerance
- On-chip track-and-hold amplifier
- Automatic power-down at the end of conversion
- Flexible parallel interface with EOC pulse for stand-alone operation
- Input offset adjust feature
- SNR performance given for input frequencies up to 10 MHz
- Analog input span adjustment using the VMID pin
Applications
- Data acquisition systems
- DSP front ends
- Disk drives
- Mobile communication systems
- Subsampling applications
Q & A
- What is the conversion time of the AD7829BRUZ?
The conversion time of the AD7829BRUZ is 420 ns. - How many channels does the AD7829BRUZ have?
The AD7829BRUZ has 8 single-ended analog input channels. - What are the operating supply voltage ranges for the AD7829BRUZ?
The AD7829BRUZ operates from a single supply voltage of either 3 V ± 10% or 5 V ± 10%. - What is the maximum throughput of the AD7829BRUZ?
The maximum throughput of the AD7829BRUZ is up to 2 million samples per second (MSPS). - Does the AD7829BRUZ have an on-chip reference?
Yes, the AD7829BRUZ includes an on-chip 2.5 V reference with a 2% tolerance. - What is the purpose of the VMID pin on the AD7829BRUZ?
The VMID pin allows the user to adjust the analog input span. - Can the AD7829BRUZ be used in stand-alone mode?
Yes, the AD7829BRUZ can be used in stand-alone mode due to its flexible parallel interface with an EOC pulse. - What are the typical applications of the AD7829BRUZ?
The AD7829BRUZ is typically used in data acquisition systems, DSP front ends, disk drives, mobile communication systems, and subsampling applications. - What is the operating temperature range of the AD7829BRUZ?
The operating temperature range of the AD7829BRUZ is −40°C to +85°C. - What packages are available for the AD7829BRUZ?
The AD7829BRUZ is available in 28-Lead TSSOP (4.4mm x 9.7mm) and 28-Lead SOIC (Wide) packages.
