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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, Internal
- 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 AD5722RBREZ is a dual-channel, 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-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 integrates a +2.5 V reference with a maximum temperature coefficient of 5 ppm/°C.
Feature Summary
- Dual-channel 12-bit resolution with guaranteed monotonicity
- Integrated +2.5 V reference buffer with 5 ppm/°C max temperature coefficient
- Software-selectable unipolar/bipolar output voltage ranges
- DSP/microcontroller-compatible 3-wire serial interface operating up to 30 MHz
Applications
- Industrial automation systems
- Closed-loop servo control and process control
- Automotive test and measurement equipment
- Programmable logic controllers (PLCs)
Procurement Notes
Verify the specific suffix 'R' indicates the inclusion of an internal reference, distinguishing it from the base AD5722 model which lacks this feature. Confirm package availability in the 24-lead TSSOP format. Ensure supply voltages match the specified single or dual rail requirements for the target application environment.
Selection Notes
Select the AD5722RBREZ when dual-channel 12-bit precision is required with integrated referencing to reduce external component count. Compare against AD5732R (14-bit) or AD5752R (16-bit) if higher resolution is necessary. Ensure the serial interface timing meets the microcontroller's clock speed requirements, supporting up to 30 MHz.
Part Context
This component belongs to the AD5722R/AD5732R/AD5752R family of iCMOS DACs. It is pin-compatible with the AD5722 (no internal reference) and offers quad-channel variants in the AD5724R series. The 'R' suffix denotes the presence of the on-chip reference, while 'EZ' typically signifies the lead-free TSSOP package variant.
Replacement Considerations
Direct functional substitutes within the same family include the AD5732RBREZ (14-bit) and AD5752RBREZ (16-bit), which share the same pinout and interface but offer higher resolution. For applications requiring four channels, the AD5734RBREZ is a compatible upgrade.
