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AD74412R
Quad-Channel, Software Configurable Input/Output
Overview
Features and Benefits
- Quad-channel software configurable input/output circuit
- Screw terminals protected to ±40 V
- Line protectors to block power from the screw terminals to supplies
- Six configurable modes
- Voltage input
- Current input
- Voltage output
- Current output
- Digital input
- RTD measurement
- Internal 16-bit, Σ-∆ADC with optional 50 Hz and 60 Hz rejection
- 13-bit monotonic DACs
- Charge pump for true zero voltage output
- Internal temperature sensor, 5°C accuracy
- On-chip diagnostics including open circuit and short-circuit detection
- Robust architecture
- SPI
- Temperature range: −40°C to +85°C
- 64-lead LFCSP
Product Details
The AD74412R is a quad-channel software configurable input/output solution for building and process control applications. The AD74412R contains functionality for analog output, analog input, digital input, and resistance temperature detector (RTD) measurements integrated into a single chip solution with an interface compatible with the serial port interface (SPI).
The device features a 16-bit, Σ-∆ analog-to-digital converter (ADC) and four configurable, 13-bit digital-to-analog converters (DACs) to provide four configurable input/output channels and a suite of diagnostic functions.
There are several modes related to the AD74412R. These modes are voltage output, current output, voltage input, externally powered current input, loop powered current input, external RTD measurement, digital input logic, and loop powered digital input.
The AD74412R contains a high accuracy 2.5 V internal reference to drive the DACs and the ADC.
Product Highlights
- Quad-Channel, Software Configurable Channels.
- Built In Diagnostics and Alert Features.
- Robust Architecture. Surge tested to ±1 kV, per the IEC61000-4-5 standard, on the input/output terminals with unshielded cables.
Applications
- Building control systems
- Process control
- Industrial automation
Product Categories
Markets & Technology
Product Lifecycle
Recommended for New Designs
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
Evaluation Kits (1)
Software & Systems Requirements
Device Drivers
Tools & Simulations
IBIS Models
Reference Materials
3rd Party Solutions (1)
Solutions Bulletins & Brochures (1)
AD74412R/13R: Quad-Channel, SW Configurable Input/Output Circuit
Design Resources
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.
Support & Discussions
AD74412R Discussions
Sample & Buy
The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
