Overview
The AD7829BRU-REEL is an 8-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD7822/AD7825/AD7829 family and is known for its high-speed conversion and versatile input configurations. The AD7829BRU-REEL is particularly useful in applications requiring fast and accurate analog-to-digital conversions.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 8 bits |
| Conversion Time | 420 ns |
| Analog Input Channels | 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 | 28-Lead TSSOP (RU-28) |
| Linearity Error | ±0.75 LSB |
Key Features
- Fast conversion time of 420 ns, maximizing DSP processing time in real-time systems.
- Analog input span adjustment via the VMID pin, allowing for offset of the input span.
- On-chip track-and-hold amplifier and 2.5 V reference voltage.
- Half-flash conversion technique using a 4-bit flash ADC for coarse conversion and a second flash for fine conversion to achieve an 8-bit result.
- SNR performance given for input frequencies up to 10 MHz.
Applications
The AD7829BRU-REEL is suitable for a variety of applications that require high-speed and accurate analog-to-digital conversions. These include:
- Real-time data acquisition systems.
- Industrial control systems.
- Medical devices requiring fast and precise signal conversion.
- Aerospace and defense systems where high-speed data conversion is critical.
Q & A
- What is the resolution of the AD7829BRU-REEL?
The AD7829BRU-REEL has an 8-bit resolution. - How many analog input channels does the AD7829BRU-REEL have?
The AD7829BRU-REEL has 8 single-ended analog input channels. - What is the conversion time of the AD7829BRU-REEL?
The conversion time is 420 ns. - Does the AD7829BRU-REEL have on-chip track-and-hold and reference?
Yes, it has both on-chip track-and-hold and a 2.5 V reference. - What is the operating temperature range of the AD7829BRU-REEL?
The operating temperature range is −40°C to +85°C. - What type of package does the AD7829BRU-REEL come in?
The AD7829BRU-REEL comes in a 28-Lead TSSOP (RU-28) package. - What is the linearity error of the AD7829BRU-REEL?
The linearity error is ±0.75 LSB. - Can the input span be adjusted on the AD7829BRU-REEL?
Yes, the input span can be adjusted via the VMID pin. - What is the SNR performance of the AD7829BRU-REEL for high-frequency inputs?
The SNR performance is given for input frequencies up to 10 MHz. - In what types of applications is the AD7829BRU-REEL commonly used?
The AD7829BRU-REEL is commonly used in real-time data acquisition systems, industrial control systems, medical devices, and aerospace and defense systems.
