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AD8668ARUZ-REEL
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Product Detailed Parameters
- Description：IC OPAMP GP 4 CIRCUIT 14TSSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Amplifier Type：General Purpose
- Number of Circuits：4
- Output Type：Rail-to-Rail
- Slew Rate：3.5V/µs
- Gain Bandwidth Product：4 MHz
- Current - Input Bias：0.2 pA
- Voltage - Input Offset：600 µV
- Current - Supply：1.15mA (x4 Channels)
- Current - Output / Channel：140 mA
- Voltage - Supply Span (Min)：5 V
- Voltage - Supply Span (Max)：16 V
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Mounting Type：Surface Mount
- Package / Case：14-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：14-TSSOP
- -3db Bandwidth：-
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Overview
The AD8668ARUZ-REEL is a quad, low noise, rail-to-rail output operational amplifier from Analog Devices Inc., housed in a 14-lead TSSOP package. It operates on single supplies from 5 V to 16 V or dual supplies of ±2.5 V to ±8 V. Key electrical specifications include a maximum offset voltage of 2.5 mV, input bias current of 1 pA, and a gain bandwidth product of 4 MHz. The device features low voltage noise density of 8 nV/√Hz at 10 kHz and unity-gain stability.
Feature Summary
- Rail-to-rail output capability with wide supply voltage range up to 16 V
- Low input bias current of 1 pA max for high impedance sensor interfacing
- Low noise performance with 8 nV/√Hz voltage noise density at 10 kHz
- Unity-gain stable operation suitable for direct feedback configurations
Applications
- Sensor amplification
- Photodiode amplification
- ADC driver circuits
- Medical equipment signal conditioning
Procurement Notes
Verify the specific ordering suffix REEL indicates reel packaging when confirming procurement details. Ensure the RU-14 package option matches the design footprint requirements. Confirm that the Z suffix denotes RoHS compliance if environmental standards are required for the assembly process.
Selection Notes
Select this component for applications requiring quad amplification in a compact surface-mount package. The low input bias current makes it suitable for high-impedance sources like photodiodes. Compare against the AD8665/AD8666 families if fewer channels or different package types are needed. Ensure the 4 MHz bandwidth meets the signal frequency requirements.
Part Context
This part belongs to the AD866x family of single-supply, rail-to-rail output amplifiers designed for cost-sensitive applications. The family includes monolithic (AD8665), dual (AD8666), and quad (AD8668) variants. These amplifiers offer extended operating ranges and low noise, serving as alternatives to higher-priced JFET amplifiers in industrial and consumer markets.
Replacement Considerations
The AD8668ARZ is a compatible alternative in an 8-Lead SOIC_N package, though pin count differs. For automotive applications, consider the AD8668WARUZ-R7 variant which is qualified for automotive environments. Verify thermal resistance differences between TSSOP and SOIC packages during substitution.
