Manufacturer Part Number
AD5781ARUZ
Manufacturer
Analog Devices
Introduction
The AD5781ARUZ is a high-precision, 18-bit digital-to-analog converter (DAC) providing a single channel output with high stability and low noise.
Product Features and Performance
18-bit resolution
Single D/A converter
1µs typical settling time
Unbuffered voltage output
SPI and DSP compatible data interface
External reference type
R-2R architecture for reduced glitch energy
Operating temperature range from -40°C to 125°C
Product Advantages
High resolution for precise applications
Fast settling time enhances dynamic performance
Flexible supply voltage compatibility
Low integral and differential nonlinearity
Key Technical Parameters
Number of Bits: 18
Settling Time: 1µs (Typ)
Output Type: Voltage - Unbuffered
Data Interface: SPI, DSP
Voltage - Supply, Analog: 7.5V to 16.5V, -2.5V to 16.5V
Voltage - Supply, Digital: 2.7V to 5.5V
INL/DNL (LSB): ±2, ±0.5
Quality and Safety Features
Robust operating temperature range ensures reliability in harsh conditions
Precision R-2R ladder architecture for stability
Compatibility
SPI and DSP protocol support ensures compatibility with most microcontrollers and digital signal processors
Surface mount TSSOP package for standard PCB assembly
Application Areas
High-end industrial automation
Medical equipment
Test and measurement systems
Communications infrastructure
Precision control systems
Product Lifecycle
Active status, not nearing discontinuation
Current availability with no known plans for obsolescence
Several Key Reasons to Choose This Product
Exceptional resolution suitable for high-end precision applications
Rapid data acquisition capabilities through fast settling time
Versatility in system design with broad voltage supply range
Low nonlinearity for accurate and stable outputs
High integration level reducing external component requirements
Industry-standard interface for ease of digital integration
Designed for harsh environments and extended industrial temperature ranges
Surface mounting provides a compact footprint for space-constrained applications