Overview
The AD7863BR-10REEL is a high-performance, simultaneous sampling dual 14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for applications requiring precise and simultaneous conversion of two analog input channels. The AD7863 features a robust set of specifications and features that make it ideal for various industrial, medical, and automotive applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 175 kSPS |
| Analog Input Range | ±10 V (AD7863-10) |
| Input Resistance | Typically 9 kΩ (AD7863-10) |
| Supply Voltage | Single 5 V supply |
| Power Consumption | Typical 70 mW |
| Operating Temperature | –40°C to +85°C |
| Package Type | 28-Lead SOIC_W or SSOP |
Key Features
- Simultaneous sampling and conversion of two channels, preserving relative phase information.
- Automatic power-down mode for battery-powered or portable applications.
- High-speed parallel interface for easy connection to microprocessors, microcontrollers, and digital signal processors.
- Tight aperture delay matching between the two input sample and hold amplifiers.
- Overvoltage protection on analog inputs up to ±17 V without causing damage.
- Available in different analog input ranges: ±10 V, ±2.5 V, and 0 V to 2.5 V.
Applications
- Industrial automation and control systems.
- Medical devices requiring precise signal conversion.
- Automotive systems, including sensor data acquisition.
- Battery-powered or portable devices due to its power-down mode.
- Data acquisition systems in various fields such as aerospace and scientific research.
Q & A
- What is the resolution of the AD7863BR-10REEL?
The AD7863BR-10REEL has a resolution of 14 bits.
- What is the sampling rate of the AD7863BR-10REEL?
The sampling rate is 175 kSPS.
- What are the available analog input ranges for the AD7863?
The available ranges are ±10 V, ±2.5 V, and 0 V to 2.5 V.
- How does the AD7863 handle overvoltage on the analog inputs?
The AD7863 has overvoltage protection, allowing input voltages up to ±17 V without causing damage.
- What is the typical power consumption of the AD7863BR-10REEL?
The typical power consumption is 70 mW.
- What are the operating temperature ranges for the AD7863BR-10REEL?
The operating temperature range is –40°C to +85°C.
- What types of packages are available for the AD7863?
The AD7863 is available in 28-Lead SOIC_W and SSOP packages.
- How does the automatic power-down mode work in the AD7863?
The part automatically goes into power-down mode once conversion is complete and wakes up before the next conversion cycle, making it ideal for battery-powered applications.
- What is the significance of the high-speed parallel interface in the AD7863?
The high-speed parallel interface facilitates easy connection to microprocessors, microcontrollers, and digital signal processors.
- Why is tight aperture delay matching important in the AD7863?
Tight aperture delay matching ensures that the relative phase information of the signals on both analog inputs is preserved during simultaneous sampling.
