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OPA2237UA Datasheet(PDF) 6 Page - Texas Instruments |
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OPA2237UA Datasheet(HTML) 6 Page - Texas Instruments |
6 / 12 page 6 ® OPA237, 2237, 4237 INPUT BIAS CURRENT vs INPUT COMMON-MODE VOLTAGE –12 –11 –10 –9 –8 –7 –6 Common-Mode Voltage (V) –15 –10 –5 0 5 10 15 V S = ±15V V S = +5V V S = +2.7V TYPICAL PERFORMANCE CURVES At TA = +25°C and RL = 10kΩ, unless otherwise noted. POWER SUPPLY and COMMON-MODE REJECTION vs FREQUENCY 120 100 80 60 40 20 0 Frequency (Hz) 10 100 1k 10k 100k 1M 10M +PSR (V S = +5V, ±15V) CMR (V S = +2.7V, +5V or ±15V) +PSR (V S = +2.7V) –PSR (V S = ±15V) INPUT NOISE AND CURRENT NOISE SPECTRAL DENSITY vs FREQUENCY 1 1k 100 10 Frequency (Hz) 10 100 1k 10k 100k Current Noise Voltage Noise OPEN-LOOP GAIN/PHASE vs FREQUENCY 1 100 80 60 40 20 0 –20 0 –45 –90 –135 –180 Frequency (Hz) 10 100 1k 10k 100k 1M 10M C L = 100pF V S = ±15V V S = +2.7V, +5V Φ G CHANNEL SEPARATION vs FREQUENCY Frequency (Hz) 130 120 110 100 90 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. INPUT BIAS CURRENT vs TEMPERATURE Temperature (°C) 14 12 10 8 6 4 –75 –50 –25 0 25 50 75 100 125 V S = +2.7V, +5V V S = ±15V |
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