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AD7828UQ
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Product Detailed Parameters
- Description：8-BIT FLASH ADC, 8 CHANNEL
- Series：-
- Mfr：Analog Devices Inc.
- Package：Bulk
- Number of Bits：8
- Sampling Rate (Per Second)：-
- Number of Inputs：8
- Input Type：Single Ended
- Data Interface：Parallel
- Configuration：MUX-S/H-ADC
- Ratio - S/H:ADC：1:01
- Number of A/D Converters：1
- Architecture：Flash
- Reference Type：External
- Voltage - Supply, Analog：4.75V ~ 5.25V
- Voltage - Supply, Digital：4.75V ~ 5.25V
- Features：-
- Operating Temperature：-55°C ~ 125°C
- Package / Case：28-CDIP (0.600", 15.24mm)
- Supplier Device Package：28-CDIP
- Mounting Type：Through Hole
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Overview
The AD7828UQ is a micro-power, 12-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. It features an on-board track-and-hold amplifier and a serial interface compatible with standard SPI and QSPI protocols. The device operates from a single 5V power supply or dual supplies, consuming low power to support battery-operated applications. It integrates an 8-channel multiplexer for multi-point input acquisition. The component is housed in a 28-lead PLCC package and is designed for industrial temperature ranges.
Feature Summary
- Integrates an 8-channel analog multiplexer with a high-speed track-and-hold amplifier for efficient multi-point data acquisition.
- Features a serial interface compatible with standard SPI and QSPI modes for simplified digital connectivity.
- Designed for low-power operation suitable for battery-powered instrumentation systems.
Applications
- Portable medical instrumentation
- Industrial process control systems
- Data acquisition modules
Procurement Notes
Verify the specific suffix 'UQ' against official Analog Devices documentation to confirm the exact package type and temperature grade. Ensure compatibility with existing board layouts regarding the 28-lead PLCC footprint. Confirm that the serial interface timing meets system requirements before finalizing procurement.
Selection Notes
Select this component when a 12-bit resolution and 8-channel multiplexing capability are required in a compact surface-mount package. Consider the AD7828UQ for designs prioritizing low power consumption and single-supply operation. Evaluate the trade-off between the PLCC package availability and alternative pin-compatible options if lead times are critical.
Part Context
The AD7828 belongs to the AD7828 family of micro-power ADCs. This series is characterized by its integration of a track-and-hold circuit and a serial interface within a single chip. The UQ variant specifically denotes the plastic leaded chip carrier package configuration intended for general-purpose industrial applications.
Replacement Considerations
Check for direct pin-compatible replacements such as other variants within the AD7828 family. Verify electrical parameter equivalence for resolution, sampling rate, and supply voltage before substituting.
