Manufacturer Part Number
AD7849AR
Manufacturer
Analog Devices, Inc.
Introduction
The AD7849 is a 14-bit, single-channel, voltage-output digital-to-analog converter (DAC) with an on-chip SPI-compatible serial interface.
Product Features and Performance
14-bit resolution
1 channel
SPI interface
String DAC architecture
Fast 10 μs settling time
±0.25 LSB max INL/DNL
Supports 5 V digital supply and ±15 V analog supply
-40°C to +85°C operating temperature range
Product Advantages
High-performance 14-bit DAC
Fast settling time
Low power consumption
Wide operating temperature range
Key Technical Parameters
Number of Bits: 14
Number of D/A Converters: 1
Data Interface: SPI
Architecture: String DAC
Package / Case: 20-SOIC (0.295", 7.50mm Width)
Voltage Supply, Digital: 5V
Output Type: Voltage Buffered
Mounting Type: Surface Mount
Operating Temperature: -40°C ~ 85°C
Voltage Supply, Analog: ±14.25V ~ 15.75V
Settling Time: 10 μs (Typ)
Reference Type: External
INL/DNL (LSB): ±5 (Max), ±0.25 (Max)
Quality and Safety Features
Meets industrial temperature range requirements
Low INL/DNL for high-precision applications
Compatibility
The AD7849 is compatible with SPI-based microcontrollers and digital systems.
Application Areas
Industrial automation
Process control
Test and measurement equipment
Consumer electronics
Product Lifecycle
The AD7849 is an active product, and Analog Devices continues to provide support and availability for this product. Upgrades and replacements may be available in the future as technology evolves.
Key Reasons to Choose This Product
High-performance 14-bit DAC
Fast 10 μs settling time
Low power consumption
Wide -40°C to +85°C operating temperature range
Excellent INL/DNL of ±0.25 LSB max
SPI-compatible interface for easy integration
Proven reliability and quality from Analog Devices