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INA166 Datasheet(PDF) 7 Page - Texas Instruments |
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INA166 Datasheet(HTML) 7 Page - Texas Instruments |
7 / 9 page INA166 7 SBOS178 FIGURE 3. Offset Voltage Adjustment Circuit. OFFSET VOLTAGE TRIM A variable voltage applied to pin 10, as shown in Figure 3, can be used to adjust the output offset voltage. A voltage applied to pin 10 is summed with the output signal. An op amp connected as a buffer is used to provide a low impedance at pin 10 to assure good common-mode rejection. FIGURE 4. Buffer for Increase Output Current. INA166 V+ V– V O V+ 150 Ω 10k Ω 150 Ω 100 µA 100 µA 8 4 3 12 5 10 11 6 9 V– OPA237 OUTPUT SENSE An output sense terminal allows greater gain accuracy in driving the load. By connecting the sense connection at the load, I • R voltage loss to the load is included inside the feedback loop. Current drive can be increased by connecting a buffer amp inside the feedback loop, as shown in Figure 4. +15V –15V V O ±250mA Output Drive BW BUF634 connected for wide bandwidth. 8 11 6 10 9 INA166 BUF634 Sense 4 3 12 5 |
Similar Part No. - INA166_06 |
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Similar Description - INA166_06 |
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