Overview
The AD7865ASZ-2REEL, produced by Analog Devices Inc., is a high-performance, four-channel simultaneous sampling 14-bit analog-to-digital converter (ADC). This component operates from a single +5 V supply and is designed for applications requiring fast conversion rates and low power consumption. It features a successive approximation ADC with a conversion time of 2.5 µs, four track/hold amplifiers, a 2.5 V reference, an on-chip clock oscillator, and signal conditioning circuitry. The AD7865ASZ-2REEL also includes a high-speed parallel interface and supports analog input ranges of ±10 V, ±5 V, or ±2.5 V. Overvoltage protection up to ±20 V ensures the component's durability and reliability during operation.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Conversion Time | 2.5 µs |
| Supply Voltage | +5 V |
| Analog Input Ranges | ±10 V, ±5 V, ±2.5 V |
| Overvoltage Protection | ±20 V |
| Package Type | 44-Lead MQFP (13.9mm x 10mm) |
| Interface | High-speed parallel interface |
| On-chip Components | Track/hold amplifiers, 2.5 V reference, on-chip clock oscillator, signal conditioning circuitry |
Key Features
- Four-channel simultaneous sampling to preserve relative phase information of input signals.
- Fast conversion rate of 2.5 µs.
- Low power consumption.
- On-chip clock oscillator and signal conditioning circuitry.
- High-speed parallel interface for efficient data transfer.
- Overvoltage protection to ensure component durability.
Applications
The AD7865ASZ-2REEL is suitable for a variety of applications that require high-speed, multi-channel analog-to-digital conversion. These include:
- Data acquisition systems.
- Medical imaging and diagnostic equipment.
- Industrial control and automation systems.
- Aerospace and defense systems.
- High-speed data logging and monitoring systems.
Q & A
- What is the resolution of the AD7865ASZ-2REEL ADC?
The AD7865ASZ-2REEL has a resolution of 14 bits. - What is the conversion time of the AD7865ASZ-2REEL?
The conversion time is 2.5 µs. - What are the supported analog input ranges for the AD7865ASZ-2REEL?
The supported analog input ranges are ±10 V, ±5 V, and ±2.5 V. - Does the AD7865ASZ-2REEL have overvoltage protection?
Yes, it has overvoltage protection up to ±20 V. - What type of package does the AD7865ASZ-2REEL come in?
The AD7865ASZ-2REEL comes in a 44-Lead MQFP package (13.9mm x 10mm). - What is the supply voltage for the AD7865ASZ-2REEL?
The supply voltage is +5 V. - Does the AD7865ASZ-2REEL have an on-chip clock oscillator?
Yes, it includes an on-chip clock oscillator. - What type of interface does the AD7865ASZ-2REEL use?
The AD7865ASZ-2REEL uses a high-speed parallel interface. - Is the AD7865ASZ-2REEL suitable for high-speed data acquisition?
Yes, it is designed for high-speed data acquisition applications. - Where can I find detailed documentation for the AD7865ASZ-2REEL?
Detailed documentation can be found on the Analog Devices website and through distributors like Digi-Key and Mouser Electronics.
