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LT1113 Datasheet(PDF) 1 Page - Linear Technology |
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LT1113 Datasheet(HTML) 1 Page - Linear Technology |
1 / 16 page 1 LT1113 The LT ®1113achievesanewstandardofexcellenceinnoise performance for a dual JFET op amp. The 4.5nV/ √Hz 1kHz noise combined with low current noise and picoampere bias currents makes the LT1113 an ideal choice for ampli- fying low level signals from high impedance capacitive transducers. The LT1113 is unconditionally stable for gains of 1 or more, even with load capacitances up to 1000pF. Other key fea- tures are 0.4mV VOS and a voltage gain of 4 million. Each individual amplifier is 100% tested for voltage noise, slew rate and gain bandwidth. The design of the LT1113 has been optimized to achieve true precision performance with an industry standard pinout in the S0-8 package. A set of specifications are provided for ±5V supplies and a full set of matching speci- fications are provided to facilitate the use of the LT1113 in matching dependent applications such as instrumenta- tion amplifier front ends. Dual Low Noise, Precision, JFET Input Op Amps s 100% Tested Low Voltage Noise: 6nV/ √Hz Max s SO-8 Package Standard Pinout s Voltage Gain: 1.2 Million Min s Offset Voltage: 1.5mV Max s Offset Voltage Drift: 15 µV/°C Max s Input Bias Current, Warmed Up: 450pA Max s Gain Bandwidth Product: 5.6MHz Typ s Guaranteed Specifications with ±5V Supplies s Guaranteed Matching Specifications s Photocurrent Amplifiers s Hydrophone Amplifiers s High Sensitivity Piezoelectric Accelerometers s Low Voltage and Current Noise Instrumentation Amplifier Front Ends s Two and Three Op Amp Instrumentation Amplifiers s Active Filters Low Noise Hydrophone Amplifier with DC Servo 1kHz Input Noise Voltage Distribution FEATURES DESCRIPTIO APPLICATIO S TYPICAL APPLICATIO , LTC and LT are registered trademarks of Linear Technology Corporation. 8 4 5V TO 15V 1 2 3 –5V TO –15V C2 0.47 µF 6 5 7 R8 100M R6 100k R4 1M R5 1M 1/2 LT1113 1/2 LT1113 R3 3.9k C1* R1* 100M R7 1M R2 200 Ω CT HYDRO- PHONE OUTPUT DC OUTPUT ≤ 2.5mV FOR TA < 70°C OUTPUT VOLTAGE NOISE = 128nV/ √Hz AT 1kHz (GAIN = 20) C1 ≈ CT ≈ 100pF TO 5000pF; R4C2 > R8CT; *OPTIONAL 1113 TA01 INPUT VOLTAGE NOISE (nV/ √Hz) 3.8 40 30 20 10 0 4.2 4.6 4.8 5.8 1113 TA02 4.0 4.4 5.0 5.2 5.4 5.6 VS = ±15V TA = 25°C 138 S8 276 OP AMPS TESTED |
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