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OPA227U Datasheet(PDF) 8 Page - Texas Instruments |
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OPA227U Datasheet(HTML) 8 Page - Texas Instruments |
8 / 27 page OPA227, 2227, 4227 OPA228, 2228, 4228 8 SBOS110A www.ti.com TYPICAL PERFORMANCE CURVES (CONT) At TA = +25°C, RL = 10kΩ, and VS = ±15V, unless otherwise noted. 2.0 1.5 1.0 0.5 0 –0.5 –1.0 –1.5 –2.0 0 5 10 15 20 25 30 35 40 Supply Voltage (V) CHANGE IN INPUT BIAS CURRENT vs POWER SUPPLY VOLTAGE Curve shows normalized change in bias current with respect to V S = ±10V. Typical IB may range from –2nA to +2nA at V S = ±10V. CHANGE IN INPUT BIAS CURRENT vs COMMON-MODE VOLTAGE 15 Common-Mode Voltage (V) –15 –10 –50 5 10 1.5 1.0 0.5 0 –0.5 –1.0 –1.5 V S = ±15V V S = ±5V Curve shows normalized change in bias current with respect to V CM = 0V. Typical IB may range from –2nA to +2nA at V CM = 0V. OUTPUT VOLTAGE SWING vs OUTPUT CURRENT 15 14 13 12 11 10 –10 –11 –12 –13 –14 –15 V+ (V+) –1V (V+) –2V (V+) –3V (V–) +3V (V–) +2V (V–) +1V V– 0 102030405060 Output Current (mA) –55 °C –40 °C –55 °C 85 °C 25 °C 85 °C 25 °C –40 °C 125 °C 125 °C 100 10 1 ±1 ±10 ±100 Gain (V/V) SETTLING TIME vs CLOSED-LOOP GAIN 0.01% OPA227 0.1% V S = ±15V, 10V Step C L = 1500pF R L = 2kΩ 0.01% OPA228 0.1% SLEW RATE vs TEMPERATURE 125 Temperature ( °C) –75 –50 –25 0 25 50 75 100 3.0 2.5 2.0 1.5 1.0 0.5 0 Negative Slew Rate R LOAD = 2kΩ C LOAD = 100pF Positive Slew Rate OPA227 SLEW RATE vs TEMPERATURE 125 Temperature ( °C) –75 –50 –25 0 25 50 75 100 12 10 8 6 4 2 0 R LOAD = 2kΩ C LOAD = 100pF OPA228 |
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