Manufacturer Part Number
AD5449YRU
Manufacturer
Analog Devices
Introduction
The AD5449YRU is a dual 12-bit Digital to Analog Converter (DAC) designed for high-speed data acquisition systems that require precise conversion from digital data to analog output.
Product Features and Performance
Dual 12-bit D/A converters
Fast settling time of 120ns
Unbuffered current output
Differential outputs for improved signal quality
SPI and DSP compatible data interface
External reference voltage input for flexible scaling
Operates on a supply voltage range of 2.5V to 5.5V for both analog and digital circuits
High precision with INL/DNL of ±1 (Max) and -1/+2 (Max)
R-2R architecture for reliable and predictable performance
Suited for operation in harsh environments with an operating temperature range of -40°C to 125°C
Product Advantages
Precision output with low integral and differential nonlinearity errors enhances system accuracy
Dual DACs reduce component count in multi-channel applications
Fast conversion speed enabling real-time data processing
Compatibility with SPI and DSP interfaces offers flexibility in system design
Differential output capability for higher signal integrity
Wide operating temperature range suitable for industrial applications
Key Technical Parameters
Number of Bits: 12
Number of D/A Converters: 2
Settling Time: 120ns
Output Type: Current Unbuffered
Differential Output: Yes
Data Interface: SPI, DSP
Reference Type: External
Voltage Supply, Analog/Digital: 2.5V ~ 5.5V
INL/DNL (LSB): ±1 (Max), -1/+2 (Max)
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
The AD5449YRU is designed and manufactured by Analog Devices with stringent quality control processes to ensure high reliability and performance consistency.
Compatibility
Compatible with standard SPI and DSP interfaces, facilitating easy integration into existing digital systems.
Application Areas
Data acquisition systems
Industrial control systems
Medical instrumentation
Communication systems
Digital signal processing
Product Lifecycle
The AD5449YRU is classified as Obsolete, indicating it is nearing the end of its lifecycle. Customers are advised to consult Analog Devices for replacements or upgrades.
Several Key Reasons to Choose This Product
High-speed, precision conversion for demanding applications
Dual DAC functionality reduces design complexity
Flexible interfacing with standard digital communication protocols
Robust design suited for harsh operating conditions
Supported by Analog Devices' reliability, facilitating long-term system performance