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Product Detailed Parameters
- Description：IC DAC 12BIT V-OUT 24TSSOP
- Series：iCMOS®
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：12
- Number of D/A Converters：4
- Settling Time：12µs
- Output Type：Voltage - Buffered
- Differential Output：No
- Data Interface：SPI, DSP
- Reference Type：External
- Voltage - Supply, Analog：±4.5V ~ 16.5V
- Voltage - Supply, Digital：2.7V ~ 5.5V
- INL/DNL (LSB)：±1 (Max), ±1 (Max)
- Architecture：String DAC
- Operating Temperature：-40°C ~ 85°C
- Package / Case：24-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：24-TSSOP-EP
- Mounting Type：Surface Mount
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Overview
The AD5724AREZ is a quad, 12-bit serial input voltage output digital-to-analog converter (DAC) from Analog Devices. It operates from single supplies of +4.5 V to +16.5 V or dual supplies of ±4.5 V to ±16.5 V. The device features software-selectable output ranges including +5 V, +10 V, +10.8 V, ±5 V, ±10 V, and ±10.8 V. Key electrical specifications include a maximum integral nonlinearity (INL) of ±1 LSB, a differential nonlinearity (DNL) of ±1 LSB, and a typical settling time of 10 µs. It utilizes an iCMOS process and communicates via a DSP/microcontroller-compatible serial interface.
Feature Summary
- Quad channel architecture with 12-bit resolution
- Software programmable unipolar/bipolar output ranges
- Integrated reference buffers and output amplifiers
- Simultaneous updating capability via LDAC pin
Applications
- Industrial automation systems
- Closed-loop servo control applications
- Process control instrumentation
- Automotive test and measurement equipment
- Programmable logic controllers (PLCs)
Procurement Notes
Verify the specific suffix 'AREZ' corresponds to the industrial temperature range (-40°C to +85°C) and TSSOP-EP package as defined in the official datasheet. Confirm that the external reference voltage requirement aligns with system design constraints, as the device requires an external REFIN source between 2 V and 3 V for specified performance.
Selection Notes
Select the AD5724AREZ when four independent 12-bit voltage outputs are required within a compact 24-lead TSSOP footprint. Ensure the application supports the necessary analog supply voltages up to ±16.5 V and digital logic levels between 2.7 V and 5.5 V. Consider the 10 µs settling time and ±1 LSB INL specification against the precision requirements of the target signal chain.
Part Context
The AD5724 is part of the AD5724/AD5734/AD5754 family, differentiated primarily by resolution: 12-bit, 14-bit, and 16-bit respectively. All members share identical pinouts, serial interfaces, and power supply requirements. The 'A' grade indicates tighter accuracy specifications compared to the 'B' grade, while 'REZ' denotes the RoHS-compliant TSSOP-EP package variant.
Replacement Considerations
The AD5734RBREZ offers similar quad-channel functionality but provides 14-bit resolution instead of 12-bit. Designers must verify compatibility regarding register structures and serial interface timing when substituting between different resolution variants within the same product family.
