AD5423
RECOMMENDED FOR NEW DESIGNSSingle Channel, 16-Bit Current/Voltage Output DAC with HART Connectivity
- Part Models
- 2
- 1ku List Price
- Starting From $4.65
Overview
- 16-bit resolution and monotonicity
- Current or voltage output available on a single terminal
- Current output ranges: 0 mA to 20 mA, 4 mA to 20 mA, 0 mA to 24 mA, ±20 mA, ±24 mA, and −1 mA to +22 mA
- Voltage output ranges (with 20% overrange): 0 V to 5 V, 0 V to 10 V, ±5 V, and ±10 V
- User programmable offset and gain
- Advanced on-chip diagnostics, including a 12-bit ADC
- On-chip reference
- −40°C to +115°C temperature range
- 32-Lead, 5 mm × 5 mm LFCSP package
The AD5423 is a single-channel, voltage and current output digital-to-analog converter (DAC) that operates with a power supply range from −33 V minimum on AVSS to +33 V maximum on AVDD1. The CHART pin enables a Highway Addressable Remote Transducer® (HART) signal to be coupled on the current output.
The AD5423 uses a versatile, 4-wire, serial peripheral interface (SPI) that operates at clock rates of up to 50 MHz and is compatible with standard SPI, QSPI™, MICROWIRE™, digital signal processor (DSP), and microcontroller interface standards. The interface also features an optional SPI cyclic redundancy check (CRC) and a watchdog timer (WDT). The AD5423 offers improved diagnostic features from earlier versions of similar DACs, such as an integrated, 12-bit diagnostic analog-to-digital converter (ADC).
Product Highlights
- 16-bit performance.
- Range of diagnostic features.
- Integrated 12-bit monitoring ADC.
- HART compliant.
Applications
- Process control
- Actuator control
- Channel isolated analog outputs
- Programmable logic controller (PLC) and distributed control systems (DCS) applications
- HART network connectivity
Documentation
Data Sheet 1
User Guide 1
Design Note 1
Device Drivers 1
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| AD5423BCPZ | 32-Lead LFCSP (5mm x 5mm x 0.75mm w/ EP) | ||
| AD5423BCPZ-RL7 | 32-Lead LFCSP (5mm x 5mm x 0.75mm w/ EP) |
This is the most up-to-date revision of the Data Sheet.
Software Resources
Device Drivers 1
Evaluation Software 0
Tools & Simulations
LTspice
Models for the following parts are available in LTspice:
- AD5423
Precision DAC Error Budget Tool
The Precision DAC Error Budget Tool is a web application that calculates the DC Accuracy of precision DAC signal chains. It shows how the static errors accumulate throughout your signal chain to quickly evaluate the design tradeoffs. Calculations include the DC errors introduced by Voltage References, Operation Amplifiers and Precision DACs.
Open ToolIBIS Model 2
LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.
Evaluation Kits
AD5423 Evaluation Board