at TA = 25°C, VS = ±20 V, VCM = VS / 2, RLOAD = 10 kΩ connected to VS / 2, and CL = 10 pF (unless otherwise noted)
![OPA991-Q1 OPA2991-Q1 OPA4991-Q1 Offset Voltage
Production Distribution GUID-82E9D7A5-B27E-428D-A6A8-C33A900E0DE1-low.gif](/ods/images/SBOSA12H/GUID-82E9D7A5-B27E-428D-A6A8-C33A900E0DE1-low.gif)
Distribution from 15462 amplifiers, TA =
25°C |
Figure 5-1 Offset Voltage
Production Distribution
Figure 5-3 Offset Voltage
vs Temperature
Figure 5-5 Offset Voltage vs Common-Mode Voltage
Figure 5-7 Offset Voltage vs Common-Mode Voltage
Figure 5-9 Offset Voltage vs Power Supply
Figure 5-11 Closed-Loop Gain vs Frequency
Figure 5-13 Input Bias Current vs Temperature
Figure 5-15 Output Voltage Swing vs Output Current (Sinking)
Figure 5-17 CMRR vs Temperature (dB)
Figure 5-19 0.1-Hz to 10-Hz Noise![OPA991-Q1 OPA2991-Q1 OPA4991-Q1 THD+N Ratio vs Frequency GUID-8323B1A7-80B4-422D-8973-47E2327306BE-low.gif](/ods/images/SBOSA12H/GUID-8323B1A7-80B4-422D-8973-47E2327306BE-low.gif)
BW = 80 kHz, VOUT = 1 VRMS |
Figure 5-21 THD+N Ratio vs Frequency
Figure 5-23 Quiescent Current vs Supply Voltage
Figure 5-25 Open-Loop Voltage Gain vs Temperature (dB)![OPA991-Q1 OPA2991-Q1 OPA4991-Q1 Small-Signal Overshoot vs Capacitive Load GUID-7CDA9FB9-638F-4792-84A5-C502716F8832-low.gif](/ods/images/SBOSA12H/GUID-7CDA9FB9-638F-4792-84A5-C502716F8832-low.gif)
G = –1, 10-mV output step |
Figure 5-27 Small-Signal Overshoot vs Capacitive Load
Figure 5-29 Phase Margin vs Capacitive Load
Figure 5-31 Positive Overload Recovery![OPA991-Q1 OPA2991-Q1 OPA4991-Q1 Small-Signal Step Response, Rising GUID-8A38EFAF-B609-4068-A493-407967C2332B-low.gif](/ods/images/SBOSA12H/GUID-8A38EFAF-B609-4068-A493-407967C2332B-low.gif)
CL = 20 pF, G = 1, 20-mV step response |
Figure 5-33 Small-Signal Step Response, Rising
Figure 5-35 Large-Signal Step Response (Rising)
Figure 5-37 Large-Signal Step Response
Figure 5-39 Maximum Output
Voltage vs Frequency
Figure 5-41 EMIRR (Electromagnetic
Interference Rejection Ratio) at Inputs vs Frequency![OPA991-Q1 OPA2991-Q1 OPA4991-Q1 Offset Voltage
Drift Distribution GUID-67D7793D-AE25-4591-9CCA-3916A8DEA006-low.gif](/ods/images/SBOSA12H/GUID-67D7793D-AE25-4591-9CCA-3916A8DEA006-low.gif)
Distribution from 60 amplifiers |
Figure 5-2 Offset Voltage
Drift Distribution
Figure 5-4 Offset Voltage
vs Temperature
Figure 5-6 Offset Voltage vs Common-Mode Voltage (Transition Region)
Figure 5-8 Offset Voltage vs Common-Mode Voltage
Figure 5-10 Open-Loop Gain
and Phase vs Frequency
Figure 5-12 Input Bias Current vs Common-Mode Voltage
Figure 5-14 Output Voltage
Swing vs Output Current (Sourcing)
Figure 5-16 CMRR and PSRR
vs Frequency
Figure 5-18 PSRR vs
Temperature (dB)
Figure 5-20 Input Voltage Noise Spectral Density vs Frequency
Figure 5-22 THD+N vs Output Amplitude
Figure 5-24 Quiescent Current vs Temperature
Figure 5-26 Open-Loop Output Impedance vs Frequency
Figure 5-28 Small-Signal Overshoot vs Capacitive Load![OPA991-Q1 OPA2991-Q1 OPA4991-Q1 No Phase Reversal GUID-9675E664-2CFD-478E-847C-703D2CEA0392-low.gif](/ods/images/SBOSA12H/GUID-9675E664-2CFD-478E-847C-703D2CEA0392-low.gif)
VIN = ±20 V; VS = VOUT = ±17 V |
Figure 5-30 No Phase Reversal
Figure 5-32 Negative Overload Recovery![OPA991-Q1 OPA2991-Q1 OPA4991-Q1 Small-Signal Step
Response GUID-11C56314-241B-46FB-AC40-8866C8F71210-low.gif](/ods/images/SBOSA12H/GUID-11C56314-241B-46FB-AC40-8866C8F71210-low.gif)
CL =
20 pF, G = -1, 20-mV step response |
Figure 5-34 Small-Signal Step
Response
Figure 5-36 Large-Signal Step Response (Falling)
Figure 5-38 Short-Circuit Current vs Temperature
Figure 5-40 Channel Separation vs Frequency