Overview
The AD7856ANZ is a high-speed, low-power 14-bit Analog-to-Digital Converter (ADC) manufactured by Analog Devices Inc. This component operates from a single 5 V power supply and is designed for a variety of data acquisition applications. It features automatic calibration on power-up, self- and system calibration options, and flexible power management, making it suitable for low power and high accuracy requirements.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Supply Voltage | Single 5 V |
| Throughput Rate | 285 kSPS |
| Analog Input Range | 0 V to VDD |
| Input Channels | Eight single-ended or four pseudo-differential |
| Power Consumption | Typically 60 mW (normal operation), 5.1 mW (power-down mode at 10 kSPS) |
| Package Options | 24-lead DIP, 24-lead SOIC, 24-lead SSOP |
| Full Power Bandwidth | Up to 10 MHz |
Key Features
- Single 5 V supply operation
- Automatic calibration on power-up
- Self- and system calibration options
- Flexible power management with automatic power-down after conversion
- Eight single-ended or four pseudo-differential input channels
- Low power consumption: typically 60 mW in normal operation and 5.1 mW in power-down mode
- Versatile serial interface: SPI, QSPI, 8051, and µP compatible
- Input track-and-hold acquires a signal in 500 ns with pseudo-differential sampling scheme
Applications
The AD7856ANZ is suitable for a wide range of data acquisition applications, including:
- Industrial control systems
- Medical devices
- Aerospace and defense systems
- Automotive systems
- Test and measurement equipment
Q & A
- What is the resolution of the AD7856ANZ ADC?
The AD7856ANZ has a resolution of 14 bits.
- What is the supply voltage requirement for the AD7856ANZ?
The AD7856ANZ operates from a single 5 V power supply.
- What is the throughput rate of the AD7856ANZ?
The throughput rate of the AD7856ANZ is 285 kSPS.
- How many input channels does the AD7856ANZ have?
The AD7856ANZ has eight single-ended or four pseudo-differential input channels.
- What are the power consumption characteristics of the AD7856ANZ?
The AD7856ANZ typically consumes 60 mW in normal operation and 5.1 mW in power-down mode at 10 kSPS.
- What are the package options available for the AD7856ANZ?
The AD7856ANZ is available in 24-lead DIP, 24-lead SOIC, and 24-lead SSOP packages.
- Does the AD7856ANZ support calibration?
Yes, the AD7856ANZ supports self- and system calibration, including automatic calibration on power-up.
- What is the full power bandwidth of the AD7856ANZ?
The full power bandwidth of the AD7856ANZ is up to 10 MHz.
- What types of serial interfaces are supported by the AD7856ANZ?
The AD7856ANZ supports SPI, QSPI, 8051, and µP compatible serial interfaces.
- How quickly does the input track-and-hold acquire a signal?
The input track-and-hold acquires a signal in 500 ns.
