Overview
The AD7829BRZ, produced by Analog Devices Inc., is a high-speed, 8-channel, microprocessor-compatible, 8-bit analog-to-digital converter (ADC). This component is part of the AD7822/AD7825/AD7829 family and is designed for applications requiring fast conversion times and multiple analog input channels. The AD7829BRZ operates from a single 3 V ± 10% or 5 V ± 10% supply, making it versatile for various system designs.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 8-bit |
| Conversion Time | 420 ns |
| Throughput | Up to 2 MSPS |
| Number of Channels | 1, 4, or 8 single-ended analog input channels |
| Supply Voltage | 3 V ± 10% or 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 Types | 28-lead PDIP, 28-lead SOIC, 28-lead TSSOP |
| Operating Temperature | -40°C to +85°C |
Key Features
- Fast conversion time of 420 ns, maximizing DSP processing time in real-time systems.
- Analog input span adjustment via the VMID pin.
- On-chip track-and-hold amplifier and 2.5 V reference (2% tolerance).
- Automatic power-down at the end of conversion.
- Flexible parallel interface with EOC pulse for standalone operation.
- High SNR performance for input frequencies up to 10 MHz.
Applications
- Data acquisition systems.
- DSP front ends.
- Disk drives.
- Mobile communication systems.
- Subsampling applications.
Q & A
- What is the resolution of the AD7829BRZ?
The AD7829BRZ has an 8-bit resolution. - How fast is the conversion time of the AD7829BRZ?
The conversion time is 420 ns. - What are the available supply voltages for the AD7829BRZ?
The AD7829BRZ can operate from a single 3 V ± 10% or 5 V ± 10% supply. - How many analog input channels does the AD7829BRZ have?
The AD7829BRZ has 1, 4, or 8 single-ended analog input channels. - What is the on-chip reference voltage of the AD7829BRZ?
The on-chip reference voltage is 2.5 V with a 2% tolerance. - What are the package options for the AD7829BRZ?
The AD7829BRZ is available in 28-lead PDIP, 28-lead SOIC, and 28-lead TSSOP packages. - What is the operating temperature range of the AD7829BRZ?
The operating temperature range is -40°C to +85°C. - Does the AD7829BRZ have automatic power-down capability?
Yes, the AD7829BRZ has automatic power-down at the end of conversion. - What is the maximum throughput of the AD7829BRZ?
The maximum throughput is up to 2 MSPS. - What types of interfaces does the AD7829BRZ support?
The AD7829BRZ supports a flexible parallel interface with an EOC pulse for standalone operation.
