INA117 DATASHEET PDF

The INA is a precision unity-gain difference amplifier with very high common- mode input voltage range. It is a single monolithic IC consisting of a precision. Texas Instruments INA Series Differential Amplifiers are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for Texas Instruments . AD vs. INA Error Budget Analysis Example 1 (VCM = V dc). Error, ppm of FS. Error Source. AD INA AD INA ACCURACY, TA = 25° C.

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High Common-Mode Voltage Difference Amplifier

Figure 1 shows the basic connections required for operation. Applications with noisy or high impedance power supply lines. The output voltage is equal to the differential input volt.

The common mode input. Internal circuitry connected to the compensation pin 8 can. Basic Power and Signal Connections.

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To maintain high CMR, it is impor. Resistance in series with the reference pins will also degrade.

INA Datasheet(PDF) – Burr-Brown (TI)

Most applications do not require trimming. Figures 2 and 3. Most applications use the INA as a simple unity-gain. The transfer function is: V 3 and V 2 are the voltages at pins 3 and 2. Offset adjustment is regulated—.

Kerry D. Wong » Blog Archive » A Differential Amplifier Based on INA

Offset Voltage Trim Circuits. Some applications, however, apply voltages to the reference. A more complete transfer function. V 5 and V 1 are the voltages at pins 5 and 1.

Applications with noisy or high impedance power supply lines may require decoupling capacitors close to the device pins. The output voltage is equal to the differential input volt- age between pins 2 and 3.

The common mode input voltage is rejected. Internal circuitry connected to the compensation pin 8 can- cels the parasitic distributed capacitance between the feed- back resistor, R 2and the IC substrate. For specified dy- namic performance, pin 8 should be grounded or connected through a 0.

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To maintain high CMR, it is impor- tant to have low source impedances driving the two inputs. Resistance in series with the reference pins will also degrade CMR. Figures 2 and 3 show optional circuits that may be used for trimming offset voltage and common-mode rejection. Some applications, however, apply voltages to the reference terminals pins 1 and 5. A more complete transfer function is: