THS3095DG4

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THS3095DG4 Application Field and Working Principle

The THS3095DG4 from Texas Instruments offers high precision and accurate performance in a variety of instrumentation applications. It is an ultra-low noise, wide bandwidth, single-supply, zero-drift instrumentation amplifier with built-in offset cancellation. This device can provide a system with a wide range of gains, reducing the overall system components and power consumption, as well as simplifying signal chain design.

The THS3095DG4 belongs to the category of linear amplifiers, instrumentation amplifiers and op-amps buffer. Used for both general purpose signal amplification and signal conditioning, the device is ideal for a variety of systems and systems requiring low power, low noise and high accuracy performance.

The THS3095DG4 features high gain bandwidth product (GBP) of 30 MHz, 200 µV of input offset voltage, 1 µA of input bias current and extremely low distortion performance. The gain range is adjustable from 1V/V to 10V/V while the device maintains a low gain temperature drift of 0.1 ppm/°C and extremely low noise.

The device includes built-in, low-noise, chopper-stabilized input stage, providing additional attenuation for the lowest frequency signals and optimizing the system’s static error budget. Additionally, the integrated offset adjustment allows for up to 7 bits of digital gain control without any external feedback components.

The THS3095DG4 features a cascode output stage providing excellent output drive capability and enhanced linearity and accuracy. In order to take advantage of these features, the device allows the user to design their own gain structure. This, in combination with its wideband operation and wide range of gains, make it suitable for amplification of a significant selection of analog signals, including high rate data conversion signals, for medical, instrumentation, automotive and industrial applications.

The wideband design of the inputs and outputs provides up to 10 MHz of bandwidth in the gain range 1V/V – 10V/V and up to 30 MHz of bandwidth in the gain range from 10V/V to 100V/V. This provides enough bandwidth for a large variety of applications, and minimizes distortion errors that are usually introduced by the op-amps and active filters.

The THS3095DG4 offers low input bias current operation, allowing your system to reject lower frequencies and improve accuracy at the same time. This device delivers maximum performance with ultra-low noise, high speed and excellent precision and accuracy. Additionally, the integrated digital adjustment capability saves space, reduces system costs and simplifies system design.

The THS3095DG4 predefined gain structure ensures that the maximum performance is maintained over a wide range of input voltages. In order to provide the best possible uplink velocity control, the device features an integral step response and bandwidth capability in the mid-gain range. This feature is advantageous in a number of applications, such as flow sensing, pressure transducer and particle detectors.

Overall, the THS3095DG4 is an outstanding solution for a variety of linear amplification applications and instrumentation systems. It is suitable for high rate data conversion and other low-bandwidth signals and is ideal for low power consumption, low noise and high accuracy performance. The device provides an integrated adjustable gain structure and step response and bandwidth capacity, offering maximum performance, making it the ideal choice for a variety of instrumentation and automation applications.

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