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AD7924BRU-REEL7
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Product Detailed Parameters
- Description：IC ADC 12BIT 4CH W/SEQ 16TSSOP
- Series：*
- Mfr：Analog Devices Inc.
- Package：Bulk
- Number of Bits：12
- Sampling Rate (Per Second)：-
- Number of Inputs：-
- Input Type：-
- Data Interface：-
- Configuration：-
- Ratio - S/H:ADC：-
- Number of A/D Converters：-
- Architecture：-
- Reference Type：-
- Voltage - Supply, Analog：-
- Voltage - Supply, Digital：-
- Features：-
- Operating Temperature：-
- Package / Case：16-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：16-TSSOP
- Mounting Type：Surface Mount
- Grade：-
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Overview
The AD7924BRU-REEL7 is a 12-bit, 4-channel successive approximation analog-to-digital converter (ADC) from Analog Devices. It operates on a single 2.7 V to 5.25 V supply with a maximum throughput rate of 1 MSPS. The device features four single-ended analog inputs managed by an internal sequencer and includes a low-noise track-and-hold amplifier capable of handling input frequencies exceeding 8 MHz. Power consumption reaches a maximum of 13.5 mW at 5 V supplies during operation. It utilizes a flexible serial interface compatible with SPI, QSPI, MICROWIRE, and DSP standards. The component is housed in a 16-lead TSSOP package and supports automotive qualification.
Feature Summary
- Integrated channel sequencer for automated multi-channel conversion sequences
- VDRIVE function enabling direct interfacing with 3 V or 5 V processor systems independent of AVDD
- Flexible power management with two shutdown modes reducing current to 0.5 µA maximum
- Standard successive approximation architecture ensuring no pipeline delays
Applications
- Industrial process control data acquisition systems
- Medical equipment requiring multi-channel signal monitoring
- Battery-powered portable instrumentation
- Automotive electronic measurement modules
Procurement Notes
Verify the specific suffix against official documentation to confirm temperature range and automotive qualification status. Ensure the external reference voltage is set to 2.5 V ±1% for specified performance. Confirm that the logic supply voltage matches the target microprocessor interface requirements before integration.
Selection Notes
Select this model when 12-bit resolution and 1 MSPS throughput are required for single-ended signals. Compare against AD7914 for lower resolution needs or AD7927 for higher channel counts. Consider the W version if extended temperature ranges up to +125°C are necessary for the application environment.
Part Context
This component belongs to the AD7904/AD7914/AD7924 family of high-speed, low-power ADCs. The family shares identical pinouts and functional architectures, differing primarily in resolution: 8-bit, 10-bit, and 12-bit respectively. All variants support the same 1 MSPS throughput and feature the integrated sequencer and VDRIVE functionality within the 16-lead TSSOP package.
Replacement Considerations
Publicly confirmed substitutes include AD7924ARUZ and AD7924ARMZ. Verify that alternative packages maintain compatibility with existing PCB footprints and thermal requirements.
