Manufacturer Part Number
AD7564BRS
Manufacturer
Analog Devices
Introduction
The AD7564BRS is a precision 12-bit quad DAC featuring four independent voltage outputs with a SPI interface, primarily designed for data acquisition and control applications.
Product Features and Performance
12-bit resolution
Four independent D/A converters
550µs typical settling time
Current - Unbuffered output type
Differential output capability
SPI data interface
R-2R architecture for precision applications
External voltage reference input
5V analog supply voltage
5V digital supply voltage
±0.5 LSB INL/DNL maximum
Product Advantages
High integration with four DACs in one package
Consistent and precise output with low INL/DNL
Differential output increases noise immunity
Compatible with standard SPI communication protocols
Unbuffered current output for direct driving capabilities
Key Technical Parameters
Number of Bits: 12
Number of D/A Converters: 4
Settling Time: 550µs (Typ)
Output Type: Current - Unbuffered
Differential Output: Yes
Data Interface: SPI
Reference Type: External
Voltage - Supply, Analog: 5V
Voltage - Supply, Digital: 5V
INL/DNL (LSB): ±0.5 (Max)
Architecture: R-2R
Operating Temperature: -40°C to 85°C
Quality and Safety Features
Built to meet high industry standards for quality and reliability
Tested across a wide temperature range ensuring performance in various environments
Compatibility
Compatible with SPI communication protocol
28-SSOP package widely accepted in electronic designs
5V operational voltage for compatibility with common digital systems
Application Areas
Data acquisition systems
Industrial control systems
Automation and robotics
Process control
Medical equipment
Scientific instrumentation
Product Lifecycle
Obsolete
Manufacturer may have replacements or possible upgrades
Consult with Analog Devices for potential newer alternatives
Several Key Reasons to Choose This Product
High precision output suitable for critical applications
Quadruple DAC reduces component count in multi-channel applications
Differential outputs for enhanced signal integrity
SPI interface allows for easy communication with microcontrollers
Suitable for a broad range of operating temperatures
High INL/DNL specs ensure accuracy and linearity
Supports varied power supply options within industry standard levels
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