Overview
The AD7890ARZ-10REEL is a versatile 8-channel, 12-bit serial data acquisition system produced by Analog Devices Inc. This component integrates an input multiplexer, an on-chip track/hold amplifier, a high-speed 12-bit analog-to-digital converter (ADC), a 2.5 V reference, and a high-speed serial interface. It operates from a single 5 V supply and supports various analog input ranges, including ±10 V, 0 V to 4.096 V, and 0 V to 2.5 V, depending on the specific model variant. The AD7890 is designed for applications requiring multiple channel data acquisition with high accuracy and low power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 8 |
| Resolution | 12 bits |
| Analog Input Range | ±10 V (AD7890-10), 0 V to 4.096 V (AD7890-4), 0 V to 2.5 V (AD7890-2) |
| Supply Voltage | 5 V |
| Power Dissipation (Normal Mode) | 30 mW typical |
| Power-Down Mode | Available |
| Interface | High-speed bidirectional serial interface |
| Package Type | 24-lead SOIC (Wide) |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- High-speed 12-bit ADC with throughput rates suitable for various applications.
- On-chip track/hold amplifier and input multiplexer, allowing for independent access and the insertion of antialiasing filters or signal conditioning circuits.
- Flexible high-speed serial interface for easy interfacing with microcontrollers and digital signal processors.
- Low power consumption with a typical power dissipation of 30 mW in normal mode and a power-down mode for reduced power usage when not in operation.
- Support for multiple analog input ranges to accommodate different application requirements.
Applications
The AD7890ARZ-10REEL is suitable for a variety of applications requiring multi-channel data acquisition, such as industrial control systems, medical devices, data logging systems, and any environment where high accuracy and low power consumption are critical. Its flexibility in input ranges and high-speed serial interface make it an ideal choice for systems that need to interface with multiple analog signals.
Q & A
- What is the resolution of the AD7890ARZ-10REEL?
The AD7890ARZ-10REEL has a resolution of 12 bits. - How many channels does the AD7890ARZ-10REEL support?
The AD7890ARZ-10REEL supports 8 channels. - What are the available analog input ranges for the AD7890ARZ-10REEL?
The available analog input ranges are ±10 V, 0 V to 4.096 V, and 0 V to 2.5 V, depending on the model variant. - What is the supply voltage for the AD7890ARZ-10REEL?
The supply voltage is 5 V. - Does the AD7890ARZ-10REEL have a power-down mode?
Yes, the AD7890ARZ-10REEL has a power-down mode to reduce power consumption when not in use. - What type of interface does the AD7890ARZ-10REEL use?
The AD7890ARZ-10REEL uses a high-speed bidirectional serial interface. - What is the typical power dissipation of the AD7890ARZ-10REEL in normal mode?
The typical power dissipation is 30 mW. - In what package type is the AD7890ARZ-10REEL available?
The AD7890ARZ-10REEL is available in a 24-lead SOIC (Wide) package. - What is the operating temperature range of the AD7890ARZ-10REEL?
The operating temperature range is -40°C to +85°C. - Can the AD7890ARZ-10REEL be used in medical devices?
Yes, the AD7890ARZ-10REEL can be used in medical devices due to its high accuracy and low power consumption.
