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OPA131U Datasheet(PDF) 4 Page - Texas Instruments |
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OPA131U Datasheet(HTML) 4 Page - Texas Instruments |
4 / 20 page OPA131, 2131, 4131 4 SBOS040A www.ti.com TYPICAL CHARACTERISTICS At TA = +25°C, VS = ±15V, and RL = 2kΩ, unless otherwise noted. POWER SUPPLY AND COMMON-MODE REJECTION vs FREQUENCY Frequency (Hz) 120 100 80 60 40 20 0 120 100 80 60 40 20 0 10 100 1k 10k 100k 1M CMR +PSR –PSR CHANNEL SEPARATION vs FREQUENCY Frequency (Hz) 160 140 120 100 80 10 100 1k 10k 100k Dual and quad devices. G = 1, all channels. Quad measured channel A to D or B to C—other combinations yield improved rejection. R L = ∞ R L = 2kΩ OPEN-LOOP GAIN/PHASE vs FREQUENCY 1 120 100 80 60 40 20 0 –20 0 –45 –90 –135 –180 Frequency (Hz) 10 100 1k 10k 100k 1M 10M ∅ G INPUT BIAS AND INPUT OFFSET CURRENT vs TEMPERATURE Ambient Temperature ( °C) 10k 1k 100 10 1 0.1 0.01 –75 –50 –25 0 25 50 75 100 125 I B I OS V CM = 0V INPUT BIAS CURRENT vs INPUT COMMON-MODE VOLTAGE Common-Mode Voltage (V) 1k 100 10 1 –15 –10 –50 5 10 15 Input bias current is a function of the voltage between the V– supply and the inputs. V S = ±15V V S = ±5V INPUT VOLTAGE AND CURRENT NOISE SPECTRAL DENSITY vs FREQUENCY 1 1k 100 10 Frequency (Hz) 10 100 1k 10k 100k 1M 1 1k 100 10 1 Voltage Noise Current Noise |
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