LT1920C LINER [Linear Technology], LT1920C Datasheet
LT1920C
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LT1920C Summary of contents
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FEATURES Single Gain Set Resistor 10,000 Gain Error 10, 0.3% Max Gain Nonlinearity 10, 30ppm Max Input Offset Voltage 10, 225 V Max Input Offset Voltage Drift ...
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... Input Voltage (Equal to Supply Voltage) ................ 20V Input Current (Note 3) ........................................ 20mA Output Short-Circuit Duration .......................... Indefinite Operating Temperature Range ................ – Specified Temperature Range LT1920C (Note 4) .................................... LT1920I .............................................. – Storage Temperature Range ................. – 150 C Lead Temperature (Soldering, 10 sec).................. 300 C ELECTRICAL CHARACTERISTICS ...
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... Note 2: Does not include the effect of the external gain resistor R Note 3: This parameter is not 100% tested. Note 4: The LT1920C is designed, characterized and expected to meet the industrial temperature limits, but is not tested at – and 85 C. I-grade parts are guaranteed. ...
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LT1920 W U TYPICAL PERFOR A CE CHARACTERISTICS Gain Nonlinearity 1167 G01 OUTPUT VOLTAGE (2V/DIV 10V OUT Gain Nonlinearity 1000 1167 G04 G = 1000 OUTPUT ...
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W U TYPICAL PERFOR A CE CHARACTERISTICS Positive Power Supply Rejection Ratio vs Frequency 160 – – 15V 140 1000 120 G = 100 100 ...
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LT1920 W U TYPICAL PERFOR A CE CHARACTERISTICS Large-Signal Transient Response 1167 G28 10 s/DIV 15V 60pF L Large-Signal Transient Response 1167 G31 10 s/DIV ...
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W U TYPICAL PERFOR A CE CHARACTERISTICS Large-Signal Transient Response 1167 G37 50 s/DIV G = 1000 V = 15V 60pF L Settling Time vs Step Size 0.1% ...
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LT1920 W BLOCK DIAGRAM + V R3 400 –IN 2 – 400 +IN 3 – V THEORY OF OPERATIO The LT1920 is a modified version of the three op amp ...
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THEORY OF OPERATIO Input and Output Offset Voltage The offset voltage of the LT1920 has two components: the output offset and the input offset. The total offset voltage referred to the input (RTI) is found by dividing the output offset ...
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LT1920 THEORY OF OPERATIO – R THERMOCOUPLE LT1920 G + 10k Figure 3. Providing an Input Common Mode Current Path U U APPLICATIONS INFORMATION The LT1920 is a low power precision instrumentation amplifier that requires only one external resistor to ...
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U U APPLICATIONS INFORMATION To significantly reduce the effect of these out-of-band signals on the input offset voltage of instrumentation amplifiers, simple lowpass filters can be used at the inputs. This filter should be located very close to the input ...
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LT1920 U TYPICAL APPLICATION PATIENT/CIRCUIT PROTECTION/ISOLATION + 12k – 1/2 1 PATIENT LT1112 GROUND 3 + –IN PACKAGE DESCRIPTION 0.010 – 0.020 45 (0.254 – 0.508) 0.008 – 0.010 0 – 8 TYP ...