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Product Detailed Parameters
- Description：IC DAC 14BIT V-OUT 24TSSOP
- Series：iCMOS®
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：14
- 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)：±4 (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 AD5734AREZ is a quad, 14-bit serial input 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-programmable 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) error of ±4 LSB, a differential nonlinearity (DNL) error of ±1 LSB, and a typical settling time of 10 µs. It utilizes an iCMOS process technology and supports a DSP/microcontroller-compatible serial interface operating at clock rates up to 30 MHz.
Feature Summary
- Quad 14-bit resolution with guaranteed monotonicity
- Software-selectable unipolar/bipolar output voltage ranges
- Integrated reference buffers and power-up control circuitry
- Simultaneous updating via LDAC pin for all four channels
Applications
- Industrial automation systems
- Closed-loop servo control applications
- Process control instrumentation
- Automotive test and measurement equipment
- Programmable logic controllers
Procurement Notes
Verify the specific 'A' version suffix against the manufacturer's ordering guide to confirm accuracy grade and temperature coefficient specifications. Ensure compatibility with the required supply voltage range and serial interface timing parameters before integration into the design.
Selection Notes
Select this component when four independent 14-bit voltage outputs are required in a single package. The AD5734 is suitable for designs needing simultaneous channel updates and programmable output spans. Consider the ±16.5 V supply capability if high-voltage analog signals are necessary for the application.
Part Context
The AD5734 belongs to the AD5724/AD5734/AD5754 family of complete quad DACs. While sharing the same pinout and architecture, the AD5734 provides 14-bit resolution, distinguishing it from the 12-bit AD5724 and the 16-bit AD5754. All variants utilize the same 24-lead TSSOP package and serial interface protocol.
Replacement Considerations
The AD5724R and AD5754R are pin-compatible alternatives within the same family, offering 12-bit and 16-bit resolutions respectively. Verify that the resolution difference meets the system requirements before substitution.
