LTC2057IMS8#PBF

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LTC2057IMS8#PBF Application Field and Working Principle

The LTC2057IMS8#PBF is a low power, low noise, low offset high gain instrumentation amplifier with a great range of applications. This device features a precision dc precision and low power electronic offset correction, making it perfect for use in precision electronic equipment, such as oscilloscopes and medical instrumentation. The LTC2057IMS8#PBF also has a wide range of temperature compensation and protection against static electricity.

Wide Range of Applications

The LTC2057IMS8#PBF is a great choice for low-frequency signal conditioning applications, such as low-noise charge amplifiers, thermocouple bridges, pressure transducers, transimpedance amplifiers and transponder amplifiers. Furthermore, this device is also suitable for low power, wide dynamic range instrumentation amplifiers, as well as an operational amplifier in high precision applications. This device is also perfect for high-side current sensing amplifiers, compensation amplifiers, temperature-resistant amplifiers and audio line amplifiers.

High Gain Instrumentation Amplifiers

The LTC2057IMS8#PBF features a wide common mode input voltage range, low input noise and low input bias current, making it perfect for high gain instrumentation amplifiers. This device can be used for a variety of applications such as gain ranges from 0.2V/V to 1000V/V, low-noise, wide-bandwidth ac signals and a gain accuracy range of 0.05%. The high input resistance enables the device to perform well in noisy areas, while the low noise and high common mode rejection makes it ideal for low-level and high sensitivity measurements, such as in medical applications.

Working Principle of LTC2057IMS8#PBF

The LTC2057IMS8#PBF operates on the principle of voltage amplification. The input is connected to two equal valued resistors through which the voltage is applied and the output is obtained. The output is then amplified using either current or voltage amplifiers, depending on the application. The current mode amplifier uses a voltage to current converter to increase the current, while the voltage mode amplifier uses a switch to increase the voltage. The gain of the amplifier is the ratio of the output voltage to the input voltage.

Power Supply Requirements

The power supply requirements for the LTC2057IMS8#PBF is +/-5V. The device also features a low-voltage cut-off level and a high-voltage cut-off level to protect it against damage due to excessive power supply. Furthermore, the device also has a quiescent current of 1.2mA.

Temperature Range

The LTC2057IMS8#PBF is designed to operate within the temperature range of -40°C to +85°C. The extended temperature range of -55°C to +125°C can be also achieved with an optional external temperature compensator.

Features

• Low input bias current of 0.1µA
• Low input offset voltage of 50µV
• High common mode rejection of 80dB
• High power supply rejection ratio (PSRR) of 80dB
• Wide temperature range from -40°C to +85°C
• High-side current sensing with no extra components
• Low offset voltage and drift
• Low power consumption of 1.2mA

Conclusion

The LTC2057IMS8#PBF is a versatile low power precision instrumentation amplifier with a number of features and a wide range of applications. This device is used for low-level and high sensitivity measurements, such as in medical applications. Its low input bias current, low noise and wide temperature range make it suitable for a variety of low-frequency signal conditioning applications. Furthermore, its high common mode rejection and power supply rejection ratio make it perfect for high gain instrumentation amplifiers. In conclusion, the LTC2057IMS8#PBF is a perfect solution for low power, wide range, low-level and high precision applications.

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