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Product Detailed Parameters
- Description：IC DAC 12BIT V-OUT 24TSSOP
- Series：iCMOS®
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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-REEL7 is a dual-channel, 12-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc. It operates from single or dual power supplies ranging from +4.5 V to +16.5 V and +0 V to ±16.5 V respectively, with a digital supply of 2.7 V to 5.5 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 metrics include a maximum integral nonlinearity (INL) of ±1 LSB, 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
- Dual-channel 12-bit resolution with guaranteed monotonicity
- Software-selectable unipolar/bipolar output voltage ranges
- ±1 LSB maximum INL and DNL error specifications
- Integrated reference buffers and power-up control circuitry
Applications
- Industrial automation systems
- Closed-loop servo control applications
- Process control instrumentation
- Automotive test and measurement equipment
- Programmable logic controllers
Procurement Notes
Verify the REEL7 suffix indicates tape-and-reel packaging when sourcing components. Confirm that the specific A version meets the required ±1 LSB INL specification, as other versions in the family may have different accuracy grades. Ensure compatibility with the 24-lead TSSOP footprint during PCB layout.
Selection Notes
Select this component for applications requiring dual-channel precision with high linearity. Verify that the required output swing fits within the specified headroom requirements relative to the chosen supply voltage. Consider the 10 μs settling time against system speed requirements. Ensure the external reference voltage falls within the 2 V to 3 V input range for optimal performance.
Part Context
This part belongs to the AD5722/AD5732/AD5752 family of complete, serial input DACs. The AD5722 specifically denotes the 12-bit resolution variant, while the AD5732 and AD5752 offer 14-bit and 16-bit resolutions respectively. All variants share pin compatibility and similar architectural features, differing primarily in resolution and associated linearity specifications.
Replacement Considerations
The AD5724AREZ is a quad-channel equivalent offering four channels instead of two, maintaining similar electrical characteristics and pinout compatibility.
