LTC6401CUD-26#PBF

Series:	--
Packaging:	Tube
Part Status:	Active
Type:	ADC Driver
Applications:	Data Acquisition
Mounting Type:	Surface Mount
Package / Case:	16-WFQFN Exposed Pad
Supplier Device Package:	16-QFN-EP (3x3)
Base Part Number:	LTC6401

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Introduction

The LTC6401CUD-26#PBF is a high-speed, low-power, differential amplifier in the Linear - Amplifiers - Special Purpose category suitable for the signal conditioning application. The IC allows for high-speed signals such as in either current or voltage control loop and provide efficient and reliable signal conditioning.

Application Field

The LTC6401CUD-26#PBF is mostly utilized in the field of signal amplifying and conditioning for industrial, power, automotive and communication applications. The mainly industries it can serve are including sensor and actuator systems, instrumentation and control loops, microwave, radio Frequency (RF) and radio links and automotive audio systems. Some other usage applications of the IC are like the A/D and D/A converters, controllers and phase-locked loops. The device’s wide supply voltage can provide a wide dynamic range to the applications it is used in.

Design Features

The LTC6401CUD-26#PBF provides a wide supply voltage range. It features 200MHz bandwidth, low noise and low offset voltage. The device’s output can be set to either inverting or non-inverting configuration depending on the user needs. The 50 ohm differential inputs of the LTC6401CUD-26#PBF are compatible with the industry-standard 50 ohm line drivers, as well as the a wide variety of low noise amplifiers.The input common mode range of the IC also maximizes its dynamic range for a wide range of input levels. The IC also features an output frequency response up to 200MHz, allowing for a fast and accurate signal amplification.

Working Principle

The LTC6401CUD-26#PBF amplifier works similar to any operational amplifier circuit designed for signal conditioning.The device acts as an integrator in the negative feedback loop instructed by the forced negative feedback by the two resistors put in a series.The output of the amplifier is connected to the input of the integrator, therefore If the input to the amplifier is stepped then the output of the amplifier follows a ramp input.The ramp is generated by allowing charging current to flow from the output of the amplifier by the initial input. The speed of the resulting output ramp depends on the bandwidth of the amplifier as well as the size of the capacitor that connected to the input of the system. The change in the output of the amplifier is in turn monitored by the negative feedback components resulting in the amplifier responding to this change.In the case of the LTC6401CUD-26#PBF amplifier, the input stage of the device is designed such that the output current flows to the inputs in response to the input signals. This allows the device to capture the current source or voltage source connected to it in order to provide the core of the system with a current output.

Conclusion

The LTC6401CUD-26#PBF amplifier is a high-speed, low-power amplifier in the Linear - Amplifiers - Special Purpose category suitable for a wide range of applications including signal amplifying and conditioning for industrial, power, automotive and communication applications. The working principle of the IC is based on the operational amplifier circuit design with a forced negative feedback by the two resistors put in a series combined with the input current flowing to the amplifier inputs. This allows for the fast and reliable signal conditioning for a wide range of input levels.

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