Overview
The AD7829BRWZ-1RL7 from Analog Devices Inc. is a high-speed, 8-bit, 8-channel analog-to-digital converter (ADC) designed for microprocessor-compatible applications. This device features a maximum throughput of 2 million samples per second (MSPS) and is suitable for a wide range of high-performance data acquisition systems. The AD7829-1 includes an on-chip reference of 2.5 V, a track-and-hold amplifier, and a high-speed parallel interface, making it versatile for various applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 8 bits |
| Number of Channels | 8 channels |
| Conversion Rate | 2 MSPS (2 million samples per second) |
| Conversion Time | 420 ns |
| Supply Voltage | 3 V ± 10% and 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%) |
| Operating Temperature | -40°C to +85°C |
| Package Type | 28-Lead Standard Small Outline Package (SOIC_W) and 28-Lead Thin Shrink Small Outline Package (TSSOP) |
| On-chip Reference | 2.5 V (2% tolerance) |
Key Features
- High-speed conversion rate of 2 MSPS
- On-chip track-and-hold amplifier and 2.5 V reference
- Automatic power-down at the end of conversion
- Flexible parallel interface with EOC (end of conversion) pulse for stand-alone operation
- Wide operating supply range: 3 V ± 10% and 5 V ± 10%
- Input offset adjustment available
- SNR performance given 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 AD7829BRWZ-1RL7? The resolution is 8 bits.
- How many analog input channels does the AD7829BRWZ-1RL7 have? It has 8 analog input channels.
- What is the maximum conversion rate of the AD7829BRWZ-1RL7? The maximum conversion rate is 2 MSPS.
- What is the conversion time of the AD7829BRWZ-1RL7? The conversion time is 420 ns.
- What are the supply voltage options for the AD7829BRWZ-1RL7? The supply voltage options are 3 V ± 10% and 5 V ± 10%.
- What is the operating temperature range of the AD7829BRWZ-1RL7? The operating temperature range is -40°C to +85°C.
- Does the AD7829BRWZ-1RL7 have an on-chip reference? Yes, it has an on-chip reference of 2.5 V with a 2% tolerance.
- What types of packages are available for the AD7829BRWZ-1RL7? It is available in 28-Lead Standard Small Outline Package (SOIC_W) and 28-Lead Thin Shrink Small Outline Package (TSSOP).
- Can the AD7829BRWZ-1RL7 be used in stand-alone mode? Yes, it can be used in stand-alone mode due to its flexible parallel interface with an EOC pulse.
- What are some common applications of the AD7829BRWZ-1RL7? Common applications include data acquisition systems, DSP front ends, disk drives, mobile communication systems, and subsampling applications.
