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OPA277 Datasheet(PDF) 4 Page - Burr-Brown (TI) |
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OPA277 Datasheet(HTML) 4 Page - Burr-Brown (TI) |
4 / 9 page ![]() 4 ® OPA277, 2277, 4277 TYPICAL PERFORMANCE CURVES At TA = +25°C, VS = ±15V, and RL = 2kΩ, unless otherwise noted. 1sec/div INPUT NOISE VOLTAGE vs TIME 10 100 1k 10k 100k Frequency (Hz) CHANNEL SEPARATION vs FREQUENCY 1M 140 120 100 80 60 40 Dual and quad devices. G = 1, all channels. Quad measured channel A to D or B to C—other combinations yield similar or improved rejection. 10 100 1k 10k 100k 1 0.1 0.01 0.001 Frequency (Hz) TOTAL HARMONIC DISTORTION + NOISE vs FREQUENCY V OUT = 3.5Vrms G = 10, R L = 2kΩ, 10kΩ G = 1, R L = 2kΩ, 10kΩ Noise signal is bandwidth limited to lie between 0.1Hz and 10Hz. 1 10 100 1k 10k 1000 100 10 1 Frequency (Hz) INPUT NOISE AND CURRENT NOISE SPECTRAL DENSITY vs FREQUENCY Current Noise Voltage Noise 0.1 1 10 100 1k 10k 100k 1M 10M 140 120 100 80 60 40 20 0 –20 0 –30 –60 –90 –120 –150 –180 Frequency (Hz) OPEN-LOOP GAIN/PHASE vs FREQUENCY G φ C L = 0 C L = 1500pF 0.1 1 10 100 1k 10k 100k 1M 140 120 100 80 60 40 20 0 Frequency (Hz) POWER SUPPLY AND COMMON-MODE REJECTION vs FREQUENCY +PSR CMR –PSR |
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