Overview
The AD7863ARS-10, produced by Analog Devices Inc., is a simultaneous sampling dual 14-bit analog-to-digital converter (ADC). This component is designed for high-performance applications requiring precise and simultaneous sampling of two analog channels. Fabricated in Analog Devices' linear compatible CMOS (LC2MOS) process, it combines precision bipolar circuits with low power CMOS logic, making it suitable for a variety of signal processing tasks.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 175 kSPS |
| Analog Input Range | ±10 V (AD7863-10) |
| Supply Voltage | 5 V |
| Power Consumption | 70 mW typical |
| Operating Temperature | –40°C to +85°C |
| Package Type | 28-Lead SSOP |
| Overvoltage Protection | Up to ±17 V |
Key Features
- Simultaneous sampling and conversion of two channels, preserving relative phase information.
- Automatic power-down mode for reduced power consumption in 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.
- Internal clock oscillator circuit for conversion clock generation.
Applications
The AD7863ARS-10 is suitable for various high-performance applications, including:
- Signal processing in industrial and medical devices.
- Data acquisition systems requiring simultaneous sampling of multiple channels.
- Portable and battery-powered devices where power efficiency is crucial.
- Aerospace and defense applications requiring high precision and reliability.
Q & A
- What is the resolution of the AD7863ARS-10 ADC?
The AD7863ARS-10 has a resolution of 14 bits. - What is the sampling rate of the AD7863ARS-10?
The sampling rate is 175 kSPS. - What are the available analog input ranges for the AD7863?
The AD7863 is available in three versions: ±10 V (AD7863-10), ±2.5 V (AD7863-3), and 0 V to 2.5 V (AD7863-2). - What is the supply voltage for the AD7863ARS-10?
The supply voltage is 5 V. - How much power does the AD7863ARS-10 typically consume?
The typical power consumption is 70 mW. - What is the operating temperature range for the AD7863ARS-10?
The operating temperature range is –40°C to +85°C. - What type of package is the AD7863ARS-10 available in?
The AD7863ARS-10 is available in a 28-Lead SSOP package. - Does the AD7863ARS-10 have overvoltage protection?
Yes, the AD7863ARS-10 has overvoltage protection up to ±17 V for the AD7863-10 version. - How is the conversion clock generated in the AD7863ARS-10?
The conversion clock is generated internally using a laser-trimmed clock oscillator circuit. - What is the purpose of the BUSY signal in the AD7863ARS-10?
The BUSY signal indicates the end of the conversion sequence.
