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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)：±1 (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 AD7247JRZ is a dual 12-bit Digital-to-Analog Converter (DAC) from the DACPORT family by Analog Devices. It features parallel word input loading and voltage output with integrated buffers. Key electrical parameters include a settling time of 8 µs, differential nonlinearity (DNL) of ±0.9 LSB, and integral nonlinearity (INL) of ±1 LSB. The device operates on analog and digital supply voltages up to 15 V, with a maximum power dissipation of 300 mW. It is housed in a 24-lead SOIC package and supports an operating temperature range from -55°C to +85°C.
Feature Summary
- Dual-channel 12-bit resolution with R-2R architecture
- Parallel interface with word input loading
- Integrated buffered voltage outputs
- Low DNL (+/- 0.9 LSB) and INL (+/- 1 LSB)
Applications
- Industrial process control systems
- Data acquisition systems requiring dual channel output
- Programmable gain amplifiers
- Waveform generation
Procurement Notes
Verify the specific suffix 'JRZ' corresponds to the SOIC-24 package and industrial temperature grade (-55°C to +85°C). Confirm RoHS compliance status through official manufacturer documentation or authorized distributor declarations prior to procurement. Ensure supply chain sources are authorized to guarantee component authenticity and traceability.
Selection Notes
Select the AD7247JRZ when dual-channel 12-bit precision is required with parallel data interfaces. Compare against the AD7237 series for similar functionality but verify pinout compatibility if replacing legacy parts. Consider the 8 µs settling time and 300 mW power dissipation limits for thermal management in dense PCB layouts.
Part Context
This component belongs to the AD7247 family of high-speed, low-power DACs. It is functionally related to the AD7237 but optimized for specific performance metrics such as settling time and linearity. The 'JRZ' designation indicates the plastic SOIC package variant suitable for surface-mount assembly.
Replacement Considerations
The AD7237JNZ is a pin-compatible alternative within the same family offering similar 12-bit dual-channel performance. Verify that the replacement part meets the specific temperature and package requirements of the original design.
