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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：2
- 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 AD5722AREZ is a dual, 12-bit serial input digital-to-analog converter (DAC) manufactured by Analog Devices Inc. It operates from single-supply voltages of +4.5 V to +16.5 V or dual supplies of ±4.5 V to ±16.5 V. The device features software-programmable output ranges including +5 V, +10 V, +10.8 V, ±5 V, ±10 V, and ±10.8 V. Key performance specifications include a maximum integral nonlinearity (INL) error of ±1 LSB, a differential nonlinearity (DNL) error of ±1 LSB, and a typical settling time of 10 μs. It utilizes an iCMOS process technology and communicates via a DSP- and microcontroller-compatible serial interface.
Feature Summary
- Dual-channel 12-bit resolution with guaranteed monotonicity
- Software-selectable unipolar and bipolar output voltage ranges
- Integrated reference buffers and power-up/power-down control circuitry
- Simultaneous channel updating via the 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 package variant when ordering, as the component is available in both tube and reel formats. Confirm that the design supports the required supply voltage range and serial interface timing constraints. Ensure proper thermal management for the 24-lead TSSOP package if operating near maximum temperature limits.
Selection Notes
Select the AD5722AREZ for applications requiring dual-channel precision with 12-bit resolution. Consider the AD5732 or AD5752 variants if higher resolution (14-bit or 16-bit) is necessary, as they share pin compatibility. Verify that the system can accommodate the specified analog and digital supply voltage requirements.
Part Context
The AD5722AREZ belongs to the AD5722/AD5732/AD5752 family of complete, serial input, voltage output DACs. This family shares identical pinouts and functional architectures, differing primarily in resolution. The AD5722 specifically provides 12-bit accuracy, while the AD5732 offers 14 bits and the AD5752 provides 16 bits, all within the same 24-lead TSSOP package.
Replacement Considerations
The AD5722AREZ is pin-compatible with other members of the AD572x series, such as the AD5732AREZ and AD5752AREZ, which offer higher resolutions. Designers may substitute these parts if increased resolution is desired without altering the PCB layout.
