Manufacturer Part Number
AD7847AR
Manufacturer
Analog Devices
Introduction
The AD7847AR is a precision 12-bit digital-to-analog converter with dual channels.
Product Features and Performance
12-bit resolution
Dual D/A converters
Settling time of 5µs for fast updates
Buffered voltage output capable of driving 10kΩ in parallel with 100pF
Parallel data interface for direct connection to microcontrollers and DSPs
R-2R architecture for high precision and low power consumption
External reference input for flexible system calibration
Product Advantages
Precision data conversion improves system accuracy
Dual channels allow for multiple outputs simultaneously
Fast settling time enables quick response applications
Buffered outputs reduce external driver requirements
High integration reduces component count in system design
Key Technical Parameters
Number of Bits: 12
Number of D/A Converters: 2
Settling Time: 5µs
Output Type: Voltage - Buffered
Differential Output: No
Data Interface: Parallel
Reference Type: External
Voltage - Supply, Analog: ±14.25V ~ ±15.75V
INL/DNL (LSB): ±1 (Max)
Architecture: R-2R
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Robust operating temperature range ensures reliability in varying environments
Compliance with industry standards for quality and safety
Compatibility
Compatible with various microcontrollers and DSPs through parallel interface
24-SOIC package compatible with standard surface-mount processes
Application Areas
Precision instrumentation
Industrial control systems
Data acquisition systems
Automated test equipment
Digital signal processing
Product Lifecycle
Obsolete status indicates the product is no longer manufactured
Availability of replacements or upgrades should be checked with manufacturer
Several Key Reasons to Choose This Product
High resolution and precision improve overall system performance
Dual channel output increases system flexibility
R-2R architecture offers reliable and predictable performance
Wide operating temperature range ensures functionality in a range of environments
Fast conversion times suitable for real-time applications
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