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Product Detailed Parameters
- Description：IC DAC 8BIT V-OUT 16SOIC
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：8
- Number of D/A Converters：4
- Settling Time：2µs
- Output Type：Voltage - Buffered
- Differential Output：No
- Data Interface：SPI
- Reference Type：External
- Voltage - Supply, Analog：2.7V ~ 5.5V, ±5V
- Voltage - Supply, Digital：2.7V ~ 5.5V
- INL/DNL (LSB)：±1 (Max), ±1 (Max)
- Architecture：R-2R
- Operating Temperature：-40°C ~ 125°C
- Package / Case：16-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：16-SOIC
- Mounting Type：Surface Mount
- Grade：-
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Overview
The AD7304YRZ is a quad, 8-bit digital-to-analog converter (DAC) from Analog Devices. It operates from single +3 V to +5 V or ±5 V supplies, consuming less than 9 mW at 3 V. The device features rail-to-rail buffered outputs and an SPI-compatible serial interface. Key specifications include 1 MS/s update rate, 1 µs settling time, and a 2.6 MHz reference multiplying bandwidth. It includes internal power-on reset and a 40 µA shutdown mode. The Y suffix indicates an automotive grade variant rated for -40°C to +125°C, housed in a 16-lead TSSOP package.
Feature Summary
- Quad 8-bit DAC with rail-to-rail voltage output swing
- SPI-compatible 3-wire serial interface
- Internal power-on reset and 40 µA hardware shutdown
- Automotive temperature range (-40°C to +125°C)
Applications
- Automotive output span voltage control
- Instrumentation digitally controlled calibration
- Pin-compatible replacement for AD7226 when VDD < 5.5 V
Procurement Notes
Verify the 'Y' suffix confirms the extended automotive temperature rating of -40°C to +125°C. Confirm the 'RZ' suffix corresponds to the 16-lead TSSOP package. Check current availability status as this component may be subject to lifecycle changes.
Selection Notes
Select the AD7304YRZ for applications requiring four independent 8-bit channels with serial control. Ensure supply voltages are within the 2.7 V to 5.5 V range. Use external references if specific full-scale ranges outside the supply rails are required.
Part Context
This part belongs to the AD7304/AD7305 family. The AD7304 uses a serial interface, while the parallel counterpart is the AD7305. The Y suffix denotes automotive qualification, distinguishing it from standard industrial variants like the AD7304BRU.
Replacement Considerations
The datasheet identifies the AD7304 as a pin-compatible replacement for the AD7226 when operating with VDD < 5.5 V. Verify pinout compatibility before substitution.
FAQ
What is the maximum operating temperature for the AD7304YRZ?
The AD7304YRZ is rated for an extended industrial/automotive temperature range of -40°C to +125°C.
How is the hardware shutdown feature activated on the AD7304?
Hardware shutdown is activated by leaving the SDI/SHDN pin floating (three-stated) via the logic driver.
What is the reference input bandwidth?
The AD7304 features a 2.6 MHz reference multiplying bandwidth.
