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AD8646ARMZ-REEL
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Product Detailed Parameters
- Description：IC OPAMP GP 2 CIRCUIT 8MSOP
- 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-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：8-MSOP
- -3db Bandwidth：-
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Overview
The AD8646ARMZ-REEL is a dual-channel, rail-to-rail input and output operational amplifier manufactured by Analog Devices Inc. It operates on a single supply voltage ranging from 2.7 V to 5.5 V. The device features a gain bandwidth product of 24 MHz and a slew rate of 11 V/μs. Input characteristics include a maximum offset voltage of 2.5 mV, an input bias current of 1 pA, and a voltage noise density of 8 nV/√Hz. The unit provides a short-circuit output current of 120 mA and consumes a typical supply current of 1.5 mA per amplifier. It is housed in an 8-lead MSOP package.
Feature Summary
- Rail-to-rail input and output capability for wide dynamic range operation
- Low input bias current of 1 pA suitable for high impedance sensors
- Wide signal bandwidth of 24 MHz with low distortion
- High output drive capability with 120 mA short-circuit current
Applications
- Battery-powered instruments
- Multipole filters
- ADC front ends
- Photodiode amplifiers
- Barcode scanners
Procurement Notes
Verify the specific ordering suffix REEL indicates tape and reel packaging when sourcing components. Confirm that the Z suffix denotes RoHS compliance status as specified in the manufacturer's documentation. Ensure the component matches the 8-lead MSOP physical dimensions required for the target PCB layout. Cross-reference the manufacturer part number against official distributor catalogs to validate authenticity and revision level.
Selection Notes
Select this component for applications requiring single-supply operation with rail-to-rail performance. Consider the 24 MHz bandwidth and 11 V/μs slew rate for AC signal processing tasks. Evaluate the 1 pA input bias current for interfacing with high-impedance sources like photodiodes. Verify that the 2.7 V minimum supply voltage aligns with the system power constraints.
Part Context
This component belongs to the AD8646/AD8647/AD8648 family of precision amplifiers. While the AD8647 includes a shutdown function, the AD8646 does not feature this option. The AD8648 offers a quad configuration. All variants share similar electrical specifications regarding bandwidth, noise, and offset voltage within the same package options.
Replacement Considerations
The AD8646ARZ serves as the tube-packaged equivalent of the AD8646ARMZ-REEL. Both parts share identical electrical characteristics and pinouts but differ in shipping packaging format.
