LTC6912HGN-2#PBF

Voltage - Input Offset:	125µV
Base Part Number:	LTC6912
Supplier Device Package:	16-SSOP
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply, Single/Dual (±):	2.7 V ~ 10.5 V, ±2.7 V ~ 5.25 V
Current - Output / Channel:	35mA
Current - Supply:	2.25mA
Series:	--
Gain Bandwidth Product:	30MHz
Slew Rate:	26 V/µs
Output Type:	Rail-to-Rail
Number of Circuits:	2
Amplifier Type:	Programmable Gain
Part Status:	Active
Packaging:	Tube

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LTC6912HGN-2#PBF Application Field and Working Principle

Overview

The LTC6912HGN-2#PBF is a low power, high-precision instrumentation amplifier suitable for applications such as medical, automated test equipment, industrial control, and design verification. This IC offers low input bias currents, a wide common mode voltage range, and a small size to enable space saving solutions for high-density design applications. It operates from 3 V to 36 V, making it suitable for use in a variety of power supply environments.

Application Field

This device is suitable for many applications requiring wide input range, low input bias current, and small package size. The LTC6912HGN-2#PBF can be used in a variety of industrial control, medical, or automated test equipment applications. Its unique features, such as low input offset voltage and low input bias current, make it ideal for use in process control systems and instrumentation devices. In addition, due to its wide operating range and power profile it is an excellent choice for energy-constrained applications.

Working Principle

The LTC6912HGN-2#PBF is a two-stage amplifier consisting of an input stage and an output stage. The input stage is a fully differential, low noise, low input bias current amplifier that allows for a large common-mode-input voltage range. The differential inputs are connected to the two differential signal input pins. The amplifier gain is set by the external resistor divider soldered to the signal CAD pin. The output stage of the amplifier is a power follower with low output impedance. This stage adjusts its output voltage to match the input signal. The output is connected to the output signal pin. The output signal is buffered, which reduces phase shifts at the output that might otherwise occur due to capacitive loading or stray inductance. The output stage also provides power gain, as it is capable of sourcing and sinking current.The LTC6912HGN-2#PBF also offers protection features such as positive and negative voltage level shifting. This ensures that the amplifier stays within its operating voltage range, and potentially protects the device from over-voltage damage.

Conclusion

The LTC6912HGN-2#PBF is a high-performance amplifier suitable for a variety of applications. It is small, low-power, and capable of operating from a wide range of Supply voltages, making it suitable for use in space-saving and energy-constrained applications. With its low offset voltage, low input bias current, and wide common-mode input range, it offers excellent precision in process control, medical, and industrial control applications.

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