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Product Detailed Parameters
- Description：IC DAC 12BIT V-OUT 24SOIC
- Series：DACPORT®
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：12
- Number of D/A Converters：2
- Settling Time：10µs
- Output Type：Voltage - Buffered
- Differential Output：No
- Data Interface：Parallel
- Reference Type：External, Internal
- Voltage - Supply, Analog：±15V
- Voltage - Supply, Digital：15V
- INL/DNL (LSB)：±0.5 (Max), ±0.9 (Max)
- Architecture：R-2R
- Operating Temperature：-40°C ~ 85°C
- Package / Case：24-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：24-SOIC
- Mounting Type：Surface Mount
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Overview
The AD7247KRZ is a dual-channel, 12-bit digital-to-analog converter (DAC) from the DACPORT series by Analog Devices. It features an R-2R architecture with parallel word input loading and voltage output. The device operates on single or dual power supplies ranging from 10.8 V to 16.5 V for both analog and digital domains. Key electrical specifications include a settling time of 8 µs, a differential nonlinearity (DNL) of ±0.9 LSB, and an integral nonlinearity (INL) of ±0.5 LSB. It supports external or internal reference configurations and dissipates up to 300 mW. The component is housed in a 24-pin SOIC package.
Feature Summary
- Dual-channel 12-bit resolution with R-2R architecture
- Parallel interface with word input loading
- Settling time of 8 µs and low power dissipation of 300 mW
- Supports single or dual supply voltages (10.8 V to 16.5 V)
Applications
- Industrial process control systems requiring precise voltage generation
- Data acquisition systems needing multi-channel signal synthesis
- Test and measurement equipment utilizing high-resolution DACs
Procurement Notes
Verify the specific suffix 'KRZ' against the manufacturer's current datasheet to confirm pinout compatibility and RoHS status. Check for moisture sensitivity level requirements during storage and handling. Confirm availability through authorized distributors as stock levels vary. Ensure the operating temperature range (-55°C to +85°C) matches the application environment.
Selection Notes
Select this component when a dual-channel, 12-bit DAC with parallel interface is required. Compare settling time and linearity specifications against system accuracy needs. Consider the SOIC-24 package size for PCB layout constraints. Verify that the power supply voltage range aligns with the available system rails.
Part Context
The AD7247KRZ belongs to the AD7247 family of DACPORT devices. This series includes variants such as the AD7247JNZ (PDIP package) and AD7247AARZ (reel packaging). The KRZ suffix specifically denotes the SOIC-24 surface-mount package variant within this product line.
Replacement Considerations
Direct replacements include other AD7247 variants like AD7247JNZ for through-hole applications. Cross-family comparisons should consider similar 12-bit dual DACs from Analog Devices or competitors with matching parallel interfaces and settling times.
