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AD7863ARZ-10REEL
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Product Detailed Parameters
- Description：IC ADC 14BIT SAR 28SOIC
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Number of Bits：14
- Sampling Rate (Per Second)：175k
- Number of Inputs：4
- Input Type：Single Ended
- Data Interface：Parallel
- Configuration：MUX-S/H-ADC
- Ratio - S/H:ADC：1:01
- Number of A/D Converters：2
- Architecture：SAR
- Reference Type：External, Internal
- Voltage - Supply, Analog：5V
- Voltage - Supply, Digital：5V
- Features：Simultaneous Sampling
- Operating Temperature：-40°C ~ 85°C
- Package / Case：28-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：28-SOIC
- Mounting Type：Surface Mount
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Overview
The AD7863ARZ-10REEL is a dual-channel, 14-bit analog-to-digital converter (ADC) from Analog Devices. It features simultaneous sampling and conversion with a throughput rate of 175 kSPS per channel. The device operates on a single 5 V supply, consuming 70 mW in normal mode and 105 μW maximum in power-down mode. It includes an internal 2.5 V reference and supports ±10 V input ranges. Key specifications include a 5.2 μs conversion time, 78 dB minimum SNR at 25°C, and overvoltage protection up to ±17 V. It utilizes a high-speed parallel interface.
Feature Summary
- Simultaneous sampling and conversion for two channels
- Internal 2.5 V reference with external option
- High-speed parallel data interface
- Automatic power-down mode
Applications
- Vector motor control systems
- Battery-powered portable applications
- Industrial signal processing
Procurement Notes
Verify the REEL suffix indicates tape-and-reel packaging rather than tube packaging when sourcing components. Confirm the -10 designation matches the required ±10 V input range specification for the application. Ensure the operating temperature range aligns with the commercial grade requirements.
Selection Notes
Select this component for applications requiring precise phase relationship preservation between two analog signals. Consider the 14-bit resolution and 175 kSPS speed for high-fidelity data acquisition needs. Evaluate the parallel interface compatibility with the target microprocessor or DSP architecture before finalizing the design.
Part Context
This part belongs to the AD7863 series of dual ADCs. It serves as a 14-bit lead-compatible upgrade to the AD7862 model. The device is fabricated using Linear Compatible CMOS (LC2MOS) technology, combining precision bipolar circuits with low-power CMOS logic for optimal performance.
Replacement Considerations
The AD7862 is a compatible predecessor offering similar functionality with lower resolution. Verify pinout compatibility if substituting directly into existing designs without modifying the PCB layout.
