Overview
The AD7863AR-3REEL is a high-performance, dual-channel, 14-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This component is designed for simultaneous sampling and conversion of two analog input channels, making it ideal for applications requiring precise and synchronized data acquisition. The AD7863AR-3REEL operates from a single 5V supply and features a low power consumption of 70 mW typical, along with an automatic power-down mode, which makes it suitable for battery-powered or portable devices.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7863AR-3REEL |
| Description | IC ADC 14BIT DUAL 2CH 28-SOIC |
| Package | 28-SOIC (0.295", 7.50mm Width) |
| Number of Bits | 14 |
| Sampling Rate (Per Second) | 175k |
| Number of Inputs | 4 |
| Input Type | Single Ended |
| Data Interface | Parallel |
| Configuration | MUX-S/H-ADC |
| Ratio - S/H:ADC | 1:1 |
| Number of A/D Converters | 2 |
| Architecture | SAR (Successive Approximation Register) |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | 5V |
| Voltage - Supply, Digital | 5V |
| Operating Temperature | -40°C to +85°C |
| Analog Input Range | ±2.5 V (AD7863-3) |
Key Features
- Simultaneous Sampling: The AD7863AR-3REEL allows for simultaneous sampling and conversion of two analog input channels, preserving the relative phase information of the signals.
- High-Speed Conversion: The ADC can convert both channels in 5.2 μs after initiating the conversion process.
- Low Power Consumption: Operates with a typical power consumption of 70 mW and features an automatic power-down mode for reduced power usage in idle states.
- High-Speed Parallel Interface: Facilitates easy connection to microprocessors, microcontrollers, and digital signal processors.
- Overvoltage Protection: The analog inputs are protected against overvoltage up to ±7 V without causing damage.
- Mixed Technology Process: Fabricated using Analog Devices' linear compatible CMOS (LC2MOS) process, combining precision bipolar circuits with low power CMOS logic.
Applications
- Industrial Automation: Suitable for data acquisition systems in industrial environments where precise and synchronized measurements are required.
- Medical Devices: Ideal for medical equipment that needs high-accuracy and simultaneous sampling of multiple analog signals.
- Aerospace and Defense: Used in various aerospace and defense applications where high reliability and precision are critical.
- Portable and Battery-Powered Devices: The low power consumption and automatic power-down mode make it suitable for battery-powered devices.
- Test and Measurement Equipment: Employed in test and measurement instruments that require high-speed and accurate analog-to-digital conversion.
Q & A
- What is the AD7863AR-3REEL?
The AD7863AR-3REEL is a 14-bit, dual-channel analog-to-digital converter (ADC) manufactured by Analog Devices Inc.
- What is the sampling rate of the AD7863AR-3REEL?
The sampling rate of the AD7863AR-3REEL is 175 kSPS (kilosamples per second).
- What is the analog input range for the AD7863-3 version?
The analog input range for the AD7863-3 version is ±2.5 V.
- Does the AD7863AR-3REEL support simultaneous sampling?
Yes, the AD7863AR-3REEL supports simultaneous sampling and conversion of two analog input channels.
- What is the power supply requirement for the AD7863AR-3REEL?
The AD7863AR-3REEL operates from a single 5V supply for both analog and digital sections.
- What is the typical power consumption of the AD7863AR-3REEL?
The typical power consumption of the AD7863AR-3REEL is 70 mW.
- Does the AD7863AR-3REEL have overvoltage protection?
Yes, the AD7863AR-3REEL has overvoltage protection on the analog inputs up to ±7 V for the AD7863-3 version.
- What is the operating temperature range of the AD7863AR-3REEL?
The operating temperature range of the AD7863AR-3REEL is -40°C to +85°C.
- What type of data interface does the AD7863AR-3REEL use?
The AD7863AR-3REEL uses a high-speed parallel interface.
- What is the architecture of the AD7863AR-3REEL?
The AD7863AR-3REEL uses a Successive Approximation Register (SAR) architecture.
