Overview
The AD7863ARSZ-3REEL is a high-performance, 14-bit dual analog-to-digital converter (ADC) produced 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 AD7863 operates from a single 5V supply, consuming 70 mW typically, and features an automatic power-down mode, which is beneficial for battery-powered or portable devices. The ADC is available in a 28-lead SSOP package and supports a high-speed parallel interface for easy connection to microprocessors, microcontrollers, and digital signal processors.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | ADI (Analog Devices, Inc.) |
| Description | IC ADC 14BIT DUAL 2CHAN 28SSOP |
| Voltage - Supply, Digital | 5V |
| Voltage - Supply, Analog | 5V |
| Supplier Device Package | 28-SSOP |
| Sampling Rate (Per Second) | 175k |
| Reference Type | External, Internal |
| Ratio - S/H:ADC | 1:1 |
| Packaging | Tape & Reel (TR) |
| Package / Case | 28-SSOP (0.209", 5.30mm Width) |
| Operating Temperature | -40°C ~ 85°C |
| Number of Inputs | 4 |
| Number of Bits | 14 |
| Number of A/D Converters | 2 |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Input Type | Single Ended |
| Data Interface | Parallel |
| Configuration | MUX-S/H-ADC |
| Architecture | SAR |
Key Features
- Simultaneous Sampling: The AD7863 allows for simultaneous sampling and conversion of two analog input channels, preserving the relative phase information of the signals.
- High-Speed Conversion: The ADC operates at a sampling rate of 175 kSPS and provides conversion results within 5.2 μs after initiating conversion.
- Low Power Consumption: The part consumes 70 mW typically and features an automatic power-down mode, making it suitable for battery-powered or portable applications.
- High-Speed Parallel Interface: Easy connection to microprocessors, microcontrollers, and digital signal processors.
- Overvoltage Protection: The analog inputs are protected against overvoltage up to ±17 V, ±7 V, or +7 V, depending on the input range configuration.
- Flexible Input Ranges: The ADC accepts analog input ranges of ±10 V, ±2.5 V, and 0 V to 2.5 V.
Applications
- Data Acquisition Systems: Ideal for multi-channel data acquisition applications requiring synchronized sampling.
- Portable and Battery-Powered Devices: The low power consumption and automatic power-down mode make it suitable for portable and battery-powered devices.
- Industrial Automation: Used in industrial automation for precise and high-speed analog-to-digital conversion.
- Medical Devices: Suitable for medical devices that require high accuracy and simultaneous sampling of multiple channels.
- Aerospace and Defense: Used in aerospace and defense applications where high reliability and precision are critical.
Q & A
- What is the sampling rate of the AD7863ARSZ-3REEL?
The sampling rate of the AD7863ARSZ-3REEL is 175 kSPS.
- What is the resolution of the AD7863ARSZ-3REEL?
The resolution of the AD7863ARSZ-3REEL is 14 bits.
- How many analog input channels does the AD7863ARSZ-3REEL support?
The AD7863ARSZ-3REEL supports 4 analog input channels, with two channels being sampled and converted simultaneously.
- What is the supply voltage for the AD7863ARSZ-3REEL?
The supply voltage for both the digital and analog sections of the AD7863ARSZ-3REEL is 5V.
- What is the operating temperature range of the AD7863ARSZ-3REEL?
The operating temperature range of the AD7863ARSZ-3REEL is -40°C to 85°C.
- Does the AD7863ARSZ-3REEL have overvoltage protection?
- What is the package type of the AD7863ARSZ-3REEL?
The AD7863ARSZ-3REEL is packaged in a 28-lead SSOP (Shrink Small Outline Package).
- How does the AD7863ARSZ-3REEL handle power management?
The AD7863ARSZ-3REEL features an automatic power-down mode where the part goes into power-down once conversion is complete and wakes up before the next conversion cycle.
- What type of data interface does the AD7863ARSZ-3REEL use?
The AD7863ARSZ-3REEL uses a high-speed parallel interface for data transfer.
- Is the AD7863ARSZ-3REEL RoHS compliant?
