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AD7908BRU-REEL
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Product Detailed Parameters
- Description：IC ADC 8BIT 8CH W/SEQ 20TSSOP
- Series：*
- Mfr：Analog Devices Inc.
- Package：Bulk
- Number of Bits：8
- 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：20-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：20-TSSOP
- Mounting Type：Surface Mount
- Grade：-
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Overview
The AD7908BRU-REEL is an 8-bit, 8-channel successive approximation analog-to-digital converter (ADC) manufactured by Analog Devices Inc. It operates from a single 2.7 V to 5.25 V supply and supports throughput rates up to 1 MSPS. The device features a wide bandwidth track-and-hold amplifier capable of handling input frequencies exceeding 8 MHz. It includes a channel sequencer for preprogrammed sequential conversion of eight single-ended inputs. The part is housed in a 20-lead TSSOP package and is qualified for automotive applications.
Feature Summary
- Integrated channel sequencer allows preprogrammed selection and sequential conversion of multiple single-ended analog inputs.
- Flexible power management with auto shutdown and full shutdown modes to minimize current consumption at lower throughput rates.
- VDRIVE function enables the serial interface to connect directly to 3 V or 5 V processor systems independent of the analog supply voltage.
Applications
- Data acquisition systems requiring multi-channel signal monitoring
- Industrial process control and automation
- Automotive sensor interfaces
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and temperature range. Ensure compatibility with system voltage requirements and interface standards before integration. Cross-reference the component revision with the latest datasheet to confirm performance specifications.
Selection Notes
Select this component for applications requiring high-speed, low-power multi-channel data conversion. Consider the 8-bit resolution and 1 MSPS throughput rate relative to signal bandwidth requirements. Evaluate the need for the internal sequencer to simplify microprocessor control logic and reduce pin count in the design.
Part Context
This component belongs to the AD7908/AD7918/AD7928 family of high-speed, low-power ADCs. While sharing similar architectures and features, the AD7908 specifically provides 8-bit resolution, distinguishing it from the 10-bit AD7918 and 12-bit AD7928 variants within the same series.
Replacement Considerations
Direct substitutes include other members of the AD7908 family such as the AD7908BRUZ or AD7908BRU-REEL, which share identical electrical characteristics and pinouts but may differ in packaging or reel specifications.
