LT012S8 LINER
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TECHNOLOGY Picoamp Input Current, ’ Microvolt Offset, Low Noise Op Amp FEATURES DESCRIPTION = Internally Compensated : The LT1012 is an internally compensated universal preci- = Guaranteed Offset Voltage 120,V Max. sion operational amplifier which can be used in practically ™ Guaranteed Bias Current all precision applications. The LT1012 combines picoam- 25°C 300pA Max. _pere bias currents (which are maintained over the full 0°C 0°C to 70°C 380pA Max. to 70°C temperature range), microvolt offset voltage (and = Guaranteed Drift 1.8,V/°C Max. —_low drift with time and temperature), low voltage and cur- = Low Noise, 0.1Hz to 10Hz 0.5uVp-p rent noise, and low power dissipation. Extremely high = Guaranteed Low Supply Current 600uA Max. — common-mode and power supply rejection ratios, practi- 2 | = Guaranteed CMRR 110dB Min. cally unmeasurable warm-up drift, and the ability to deliv- ™ Guaranteed PSRR 110dB Min. er 5mA load current with a voltage gain of a million round ™ Guaranteed Voltage Gain with 5mA Load Current out the LT1012’s superb precision specifications. * The all around excellence of the LT1012 eliminates the APPLICATIONS necessity of the time consuming error analysis procedure ici j of precision system design in many applications; the = Precision Instrumentation 171012 can be stocked as the universal internally compen- ® Charge Integrators d precisi = Wide Dynamic Range Logarithmic Amplifiers sated precision op amp. -. ™ Light Meters ‘ = Low Frequency Active Filters ™ Standard Cell Buffers = Thermocouple Amplifiers . a Kelvin-Sensed Platinum Temperature Sensor Amplitier Offset Voltage vs Source Resistance ov k (Balanced or Unbalanced) REFERENCE 192 me im sco : . * === = SS >> — g wf | | |Z sown ° c “ee woe «© oT A aol ate | * 4a ’ ALL OTHER RESISTORS: venation =o “LETTE TTT ferent parable claro te = yal 100°C fr Yy = 10¥ tk 3k 10k 30k 100k 300k 1M 3M 10M Piadaun, sensor and reduces era Ruat $0°C lor Vo = S¥ ‘SOURCE RESISTANCE (0) 50°C to 150°C range. in the order ncicated SS LI Wee 9-117
ABSOLUTE MAXIMUM RATINGS PACKAGE/ORDER INFORMATION _ fo | Ce Ee, ELECTRICAL CHARACTERISTICS vy, - + 15v, Vou =0V, Ty =25°C, unless otherwise noted. 111012S8 srmoo. | ramweren | conmmons, | uw“ wx | wre 25 1 ff | _LongTerm nputOfiset Voltage Stability [|Win £120 t & [| InputNoise Voltage | OtHztotoHz | fo = 1000Hz (Note 3) 14 22 nVWVHz ih | InputNoiseCurrent Density | fo=toHz | A Vour= + 10V, Ri =2k0 120 1000 Vimv CMRR a8 PSR | PowerSupplyRejectionRatio | Vg=e2Vtos2v | tt a8 | inputVoltageRange TO y Vo v | SlwRate Wiss Is [_ SupplyCurrent Tote 8 #A SS 2-118 LT We
ELECTRICAL CHARACTERISTICS v, = « 15V,Voy=0v, 0°C<, 470°C, unless otherwise noted. Lr101288 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Vos Input Offset Voltage 2 200 wW 30 270 Ww Average Temperature Coefficient of Input 0.2 18 BVRC Offset Voltage los, Input Offset Current 60 380 pA 80 500 pA Average Temperature Coefficient of Input pArcC Offset Current lp Input Bias Current +100 = +420 pA +150 +550 pA Average Temperature Coefficient of parc input Bias Current Avot Large Signal Voltage Gain Vout= # 12V, R= 10k0 150 1500 VimV Vour= + 10V, R, =2ka 100 800 VimV CMRR Common-Mode Rejection Ratio Vom= #13.5V fe; 13 10 | @B PSRR Power Supply Rejection Ratio Vg= #2.5V to + 20V [e{ wes 2 | B input Vliage Range a CY Yaa OuiptVaage Swing [azide eV i Suply Curent ee The @ denotes the specifications which apply over the full operating tem- Note 2: These specifications apply for + 2V<Vg< + 20V(+2.5V<Vs< perature range. + 20V over the temperature range) and — 13.5V <Vcys 13.5V (for Note 1: Differential input voltages greater than 1V will cause excessive cur- Vg = + 15V). rent to flow through the input protection diodes unless limiting resistance Note 3: This parameter is tested on a sample basis only. isused. SSS