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INA121PAG4 Datasheet(PDF) 11 Page - Texas Instruments |
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INA121PAG4 Datasheet(HTML) 11 Page - Texas Instruments |
11 / 20 page 11 ® INA121 INA121 Transducer C 1 C 2 Null R 2 R 1 R G V O Ref V AC INA121 OPA277 C 1 50nF R G R 2 R G Make G ≤ 10 where G = 1 + 50k Load V IN G • R 2 I L = R 1 10k Ω V IN Ref INA121 R G V O C 1 0.1µF OPA277 Ref R 1 1M Ω f –3dB = 1 2 πR 1C1 = 1.59Hz V IN + – INA121 ISO124 ±6V to ±18V Isolated Power ±15V Ref V IN – V IN + V O Isolated Common V+ V– FIGURE 8. Galvanically Isolated Instrumentation Amplifier. FIGURE 7. High-Pass Input Filter. FIGURE 10. Voltage Controlled Current Source. FIGURE 9. AC-Coupled Instrumentation Amplifier. INA121 C 1 C 2 R 1 R 2 V O 2 πR 1C1 1 f c = NOTE: To preserve good low frequency CMR, make R 1 = R2 and C1 = C2. R G Ref FIGURE 11. Capacitive Bridge Transducer Circuit. |
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Similar Description - INA121PAG4 |
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