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INA128P Datenblatt(PDF) 7 Page - Texas Instruments |
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INA128P Datenblatt(HTML) 7 Page - Texas Instruments |
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7 / 35 page ![]() 7.5 Electrical Characteristics (continued) at TA = 25°C, VS = ±15 V, RL = 10 kΩ, VREF = 0 V, VCM = VS / 2, and G = 1 (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT GAIN Gain equation INA128 1 + (50 kΩ / RG) V/V INA129 1 + (49.4 kΩ / RG) G Gain 1 10000 V/V GE Gain error G = 1 INA12xP, INA12xU ±0.01 ±0.024 % INA12xPA, INA12xUA ±0.1 G = 10 INA12xP, INA12xU ±0.02 ±0.4 INA12xPA, INA12xUA ±0.5 G = 100 INA12xP, INA12xU ±0.05 ±0.5 INA12xPA, INA12xUA ±0.7 G = 1000 INA12xP, INA12xU ±0.5 ±1 INA12xPA, INA12xUA ±2 Gain drift(4) TA = –40°C to +85°C ±1 ±10 ppm/°C 50-kΩ or 49.4-kΩ resistance(3) ±25 ±100 Gain nonlinearity(1) G = 1, VO = ±13.6 V INA12xP, INA12xU ±0.0001 ±0.001 % of FSR INA12xPA, INA12xUA ±0.002 G = 10 INA12xP, INA12xU ±0.0003 ±0.002 INA12xPA, INA12xUA ±0.004 G = 100 INA12xP, INA12xU ±0.0005 ±0.002 INA12xPA, INA12xUA ±0.004 G = 1000 ±0.001 OUTPUT Positive output voltage swing (V+) – 1.4 V Negative output voltage swing (V–) + 1.4 V CL Load capacitance Stable operation 1000 pF ISC Short-circuit current Continuous to VS / 2 +6/–15 mA FREQUENCY RESPONSE BW Bandwidth, –3 dB G = 1 1.3 MHz G = 10 640 kHz G = 100 200 G = 1000 20 SR Slew rate G = 5, VO = ±10 V 1.2 V/µs tS Settling time To 0.01% G = 1 12 µs G = 10 12 G = 100 12 G = 1000 80 Overload recovery 50% input overload 4 µs POWER SUPPLY IQ Quiescent current VIN = 0 V ±700 ±750 µA (1) Nonlinearity measurements in G = 1000 are dominated by noise. Typical nonlinearity is ±0.001% (2) Input common-mode voltage varies with output voltage; see Typical Characteristics. (3) Temperature coefficient of the 50-kΩ or 49.4-kΩ term in the gain equation. (4) Specified by wafer test. www.ti.com INA128, INA129 SBOS051F – OCTOBER 1995 – REVISED MAY 2022 Copyright © 2022 Texas Instruments Incorporated Submit Document Feedback 7 Product Folder Links: INA128 INA129 |
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