Manufacturer Part Number
AD7247AAR
Manufacturer
Analog Devices
Introduction
The AD7247AAR is a dual 12-bit digital-to-analog converter featuring voltage-buffered outputs, designed primarily for data acquisition applications.
Product Features and Performance
Dual 12-bit DAC
Voltage-buffered outputs
Settling time of 8µs
R-2R ladder architecture
External and internal reference options
Supports both analog and digital voltage supplies ranging from ±10.8V to 16.5V
Product Advantages
Precision conversion with INL/DNL of ±1 LSB and ±0.9 LSB respectively
Fast settling time enhances rapid signal response
Dual DAC design allows for multi-channel output
Key Technical Parameters
Number of Bits: 12
Number of D/A Converters: 2
Settling Time: 8µs
Output Type: Voltage Buffered
Voltage Supply, Analog: ±10.8V ~ 16.5V
Voltage Supply, Digital: 10.8V ~ 16.5V
Architecture: R-2R
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Robust operating temperature range of -40°C to 85°C ensures reliability in varied environmental conditions
Compatibility
Parallel data interface allows integration with most microcontrollers and digital systems
Application Areas
Industrial automation
Data acquisition systems
Closed-loop servo-controls
Process control systems
Product Lifecycle
Product status: Obsolete
No direct replacements or upgrades listed
Several Key Reasons to Choose This Product
High precision and low error rates with maximum INL/DNL of ±1 and ±0.9 respectively
Quick response time with settling time as low as 8µs for dynamic applications
Dual output capability facilitates multi-channel operations
Wide operating temperature makes it suitable for industrial environments
Compatibility with both internal and external references offers design flexibility