OP181 Analog Devices, OP181 Datasheet
OP181
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OP181 Summary of contents
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... The output’s ability to swing rail-to-rail and not increase supply current, when the output is driven to a supply voltage, enables the OP181 family to be used as comparators in very low power systems. This is enhanced by their fast saturation recovery time. Propagation delays are 250 s. ...
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... OP181/OP281/OP481–SPECIFICATIONS ELECTRICAL SPECIFICATIONS Parameter INPUT CHARACTERISTICS Offset Voltage Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection Ratio Large Signal Voltage Gain Offset Voltage Drift Bias Current Drift Offset Current Drift OUTPUT CHARACTERISTICS Output Voltage High Output Voltage Low ...
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... 100 k to GND – + 100 – + PSRR – + – + 100 GBP o e p-p 0 kHz –3– OP181/OP281/OP481 1 ) Min Typ Max Units 0.1 1 V/ pA/ C 4.925 V/ms 120 s 100 kHz 74 Degrees 10 V p-p 75 nV/ Hz <1 ...
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... OP181/OP281/OP481–SPECIFICATIONS ELECTRICAL SPECIFICATIONS Parameter INPUT CHARACTERISTICS Offset Voltage Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection Large Signal Voltage Gain Offset Voltage Drift Bias Current Drift Offset Current Drift OUTPUT CHARACTERISTICS Output Voltage Swing Short Circuit Limit ...
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... Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +16 V Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . Gnd to V Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . . 3.5 V Output Short-Circuit Duration to Gnd . . . . . . . . . . Indefinite Storage Temperature Range Package . . . . . . . . . . . . . . . . . . . – +150 C Operating Temperature Range OP181/OP281/OP481G . . . . . . . . . . . . . . . – +85 C Junction Temperature Range Package . . . . . . . . . . . . . . . . . . . – +150 C Lead Temperature Range (Soldering, 60 sec +300 C Package Type * JA ...
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... OP181/OP281/OP481–Typical Characteristics +2. + –1.0 –0.8 –0.6 –0.4 –0.2 0 0.2 0.4 0.6 0.8 1.0 INPUT OFFSET VOLTAGE – mV Figure 1. Input Offset Voltage Distribution 0 –0 +5V S –1.0 –1.5 –2.0 –2.5 –3.0 –3.5 –4.0 –4.5 –5.0 –40 – 100 120 TEMPERATURE – C Figure 4. Input Bias Current vs. ...
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... FREQUENCY – Hz Figure 14. Closed-Loop Gain vs. Frequency 160 V = 5V, +5V, +3V, +2.7V S 140 INFINITE 120 L 100 –20 –40 10 100 1k 10k 100k 1M FREQUENCY – Hz Figure 17. PSRR vs. Frequency –7– OP181/OP281/OP481 +2. + 100k 135 0 180 –10 225 –20 270 –30 100 1k 10k 100k 1M FREQUENCY – Hz Figure 12 ...
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... OP181/OP281/OP481 + 4Vp– INFINITE + 100 1k 10k 100k FREQUENCY – Hz Figure 19. Maximum Output Swing vs. Frequency 4 +5V S 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 –40 – 100 120 TEMPERATURE – C Figure 22. Supply Current/Amplifier vs. Temperature V = 1.35V A2 0mV 100k 100 50pF + 50mV 100µs Figure 25 ...
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... FREQUENCY – Hz Figure 29. Channel Separation vs. Frequency 0.00V S L CIRCUIT = +25 C VOL A 100 500mV 100µs Figure 31. Saturation Recovery Time –9– OP181/OP281/OP481 V = 1.35V V = 1Vp-p A2 0.00V 2kHz 100 500mV 500mV 50µs Figure 30. Saturation Recovery Time ...
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... the lowest input voltage excursion expected IN, MIN For example, an OP181 used with a single supply volt- age where the input signal could possibly go as low as –1.0 V. Because the amplifier is powered from a single supply ground, so the necessary series resistance should ...
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... The overdrive recovery time for the OP181 with the amplifier running from a 3 volt supply and increases to 100 s with a 10 volt supply. Figure 36 shows the result of the OP181 running from supply with its output being overdriven 100 SCALE 0 ...
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... V, single-supply current monitor that can be incorpo- rated into the design of a voltage regulator with fold-back current limiting or a high current power supply with crowbar protection. The design capitalizes on the OP181’s common- mode range that extends to ground. Current is monitored in the power supply return path where a 0.1 +3V creates a very small voltage drop ...
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... A is drawn by the microphone itself. A CR2032 3 V lithium battery has a life expectancy of 160 mA hours, which means this circuit could run continuously for 640 hours on a single battery. SPICE Macro-Model * OP181 SPICE Macro-model 1µF * 9/96, Ver. 1 MIC OUT * * Copyright 1996 by Analog Devices * * Refer to “ ...
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... OP181/OP281/OP481 ECM1 11 98 POLY(2) (1, 98) (2, 98 1.59E6 100E- 283 * * POLE AT 900kHz * EREF 98 0 (90 ( 1E6 177E- POLE AT 500kHz * (20, 98 1E6 320E- GAIN STAGE * 5E- 65. 65E6 (22, 98) 4.08E 0 0 OUTPUT STAGE * ISY 99 50 1.375E-6 RS1 99 90 10E6 RS2 90 50 10E6 M1 45 ...
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... SEATING PLANE 0.0160 (0.41) 0.006 (0.15) 0.002 (0.05) 0.028 (0.70) 8 SEATING 0 0.020 (0.50) PLANE –15– OP181/OP281/OP481 14-Lead Plastic DIP (N-14) 0.795 (20.19) 0.725 (18.42 0.280 (7.11) 0.240 (6.10) 0.325 (8.25 0.195 (4.95) 0.300 (7.62) 0.060 (1.52) 0.115 (2.93) PIN 1 0 ...
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