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AD8646WARZ-R7
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Product Detailed Parameters
- Description：IC OPAMP GP 2 CIRCUIT 8SOIC
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Amplifier Type：General Purpose
- Number of Circuits：2
- Output Type：Rail-to-Rail
- Slew Rate：11V/µs
- Gain Bandwidth Product：24 MHz
- Current - Input Bias：0.3 pA
- Voltage - Input Offset：600 µV
- Current - Supply：1.5mA (x2 Channels)
- Current - Output / Channel：120 mA
- Voltage - Supply Span (Min)：2.7 V
- Voltage - Supply Span (Max)：5.5 V
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- -3db Bandwidth：-
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Overview
The AD8646WARZ-R7 is a dual, rail-to-rail input and output operational amplifier from Analog Devices. It features a gain bandwidth product of 24 MHz and a slew rate of 11 V/µs. The device operates on a single supply voltage ranging from 2.7 V to 5.5 V with a maximum supply current of 2 mA per amplifier. Key electrical characteristics include an offset voltage of up to 2.5 mV, input bias current of 1 pA, and voltage noise density of 8 nV/√Hz. It supports short-circuit output currents of 120 mA and offers automotive qualification.
Feature Summary
- Rail-to-rail input and output capability for maximizing dynamic range in single-supply systems
- Automotive qualification ensuring reliability for vehicle electronics applications
- High output drive strength suitable for low impedance loads
- Low power consumption with minimal supply current requirements
Applications
- Battery-powered instruments
- Multipole filters
- ADC front ends
- Sensors
- Barcode scanners
Procurement Notes
Verify the specific suffix 'R7' indicates tape and reel packaging when sourcing. Confirm the 'W' designation aligns with automotive qualification requirements for your target environment. Ensure the SOIC-8 package dimensions match your PCB footprint constraints. Cross-reference the RoHS compliance status with regional regulatory standards before finalizing procurement.
Selection Notes
Select this component for designs requiring high-speed signal processing within a single-supply architecture. The wide bandwidth and fast slew rate make it suitable for active filtering and buffering tasks. Consider the automotive grade rating if the application involves harsh environmental conditions or vehicle integration. Evaluate the low input bias current for high-impedance sensor interfaces.
Part Context
This part belongs to the AD8646/AD8647/AD8648 family of precision amplifiers. While the AD8647 includes a shutdown feature, the AD8646 variant lacks this function but retains the core performance specifications. The 'W' suffix denotes automotive qualification, distinguishing it from standard commercial versions. The 'R7' suffix specifies the reel packaging format for automated assembly.
Replacement Considerations
Direct substitutes include other parts from the AD8646 series such as AD8646ARZ or AD8646ARMZ, noting differences in package type (SOIC vs MSOP) and commercial versus automotive grading.
