MAX400 MAXIM | Alldatasheet
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— MAAI/NVI Ultra Low Offset Voltage Operational Amplifier The MAX400 guaranteed maximum 10x offset error Ultra Low Ofteet Voltage: 10x (max. > is the lowest input offset voltage of any commer- 0 cially available (nonchopper) monolithic amplifier, @ Ultra Low Offset Voltage Drift: 0.24W/°C The MAX400 represents. 25 times improvement Ura Stable vs. Time: 0.2uV/Month over the highest grade OPO7 (the OPO7A), and a 5 times improvement over the best commercial tem- Vitra Low Nolee 0.35:Vp-5. perature range device (opo7e). Zhe offset voltage -@ Wide Supply Voltage: +3V to +18V rift is guaranteed to be a maximum of 0.3p' 7 which is also an improvement over the OPO7 family. @ High Common Mode Input +14 For the ultimate in DC pertormance (54V maximum @ No External Components Required offset voltage and 0.05uV/°C maximum offset voltage @ Fits OPO7, ADS10, 725, 108A/308A Sockets drift) the MAX420 and MAX430 series of +15V monolithic chopper stabilized amplifiers should be consulted. Precision Amplifiers Thermocouple Ampliters Low Level Signal Processing Medical instrumentation Strain Gauge Ampiters High Accuracy Data Acquisition Top View Vos TRIM Ms Vos TAM ND ve | ON AN ® ® Vour © ¥our
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8 Lead Dip Load Cell Amplifier
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Voltage Operational Amplifier ABSOLUTE MAXIMUM RATINGS Total Supply Voltage (V* 10. V") ...eesseeceeeeseeeeseeees #22V ‘Operating Temperature Range Note 1: For supply voltages less than +22\\, the absolute maximum input voltage is equal to the supply voltage. ‘Sizasses above those listed under “Absolute Maximum Ratings” may caus permanent damage tothe device, Those are stress ratings oniy and functional ‘operation of the device at these or any other conditions above those indicated in the operational sections of the specifications is not implied. Exposure to sBeolute maximum rating conditions lr extended perods may aflect device reliably
ELECTRICAL CHARACTERISTICS
(Vg =+15V, Ta = +25°C, unless otherwise noted.) Conpmons [__maxsoom [| Maxaooce | MIN TYP MAX MIN TYP MAX Input Ofteet Voltage (Note 2) | Long Term Input aw Offset Voltage Stability | Yos/Time | (Note 3) 02 10 even Input Offset Current [tos [| og 20 [og 20 | A | [input Bias Current [ip | T0720 | 207 __#20 InputNoise Vortage [eure [OrHeto WHeiNote4) | as 06 | 03506 | Vn | fo= 10Hz (Note 4) 103180 703 180 Heaayeise vonage 10 = 100Hz (Note 4) 100 130 100 © 130 |nw/FE fo = 1000Hz (Note 4) 96 14.0 96 110 [ InputNoise Current [Ine [OtHeto 10He (Noted) [#90 T1480 | ih | fo = 10Hz (Note 4) 0.32 0.80 0.32 0.60, Current Gensity fo = 100Hz (Note 4) 014 0.23 0.14 023 |pA/Az {9 = 1000Hz (Note 4) 012 0a? 12 017 Input Resistance Input Resistance fewer [ew [Pm oo] ImputvoltageRange va [aes ae ‘Common-Mode et Power Supply : Rejection Ratio Vs= #8V to +18V WN R= 2kN,Vo = 210V 500 1000 500-1000 Yonepe Gain R= 500, Vo = +0.5V 180 400 150400 vimv Vg = #3V (Note 5) R= 10KA 226 #130 26 2130 Output Voltage Swing Vo RL 22k =120 412.8 2120 2128 Vv RL > 1k. #105 4120 #105 3120 Note 2: Vos is measured one minute after application of power. Note 3: Long-Term Input Offset Voltage Stability refers to the average trend line of Vos vs. Time over extended periods after the first 30 days of operation. Excluding the initial hour of operation, changes in Vog during the first 30 operating days are typically 2.5:V — reter to typical performance curves. Parameter is sample tested. Note 4: Sample tested. Note 5: Guaranteed by design.
2 ULUMAXIM
Figure 1. Optional Offset Nulling Circuit. Figure 2. Low Frequency Noise Test Circuit.
Voltage Operational Amplifier
8 Typical Operating Characteristics
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