Datasheet LT1635 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | Micropower Rail-to-Rail Op Amp and Reference |
| Pages / Page | 12 / 5 — TYPICAL PERFOR A CE CHARACTERISTICS Op Amp. Input Bias and Offset … |
| File Format / Size | PDF / 242 Kb |
| Document Language | English |
TYPICAL PERFOR A CE CHARACTERISTICS Op Amp. Input Bias and Offset Currents. Input Bias Current
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LT1635
W U TYPICAL PERFOR A CE CHARACTERISTICS Op Amp Input Bias and Offset Currents Input Bias Current Supply Current vs Supply Voltage vs Temperature vs Common Mode Voltage
220 100 0 VS = 5V, 0V VS = 5V, 0V 200 IOS TA = –55°C 50 – 1 T 180 A = 125°C µA) TA = 25°C 160 0 – 2 OFFSET CURRENT (pA) TA = –55°C 140 TA = 25°C – 1 – 3 120 SUPPLY CURRENT ( 100 I T B A = 125°C INPUT BIAS CURRENT (nA) – 2 – 4 80 60 BIAS CURRENT (nA) – 3 – 5 2 3 4 5 6 7 8 9 10 –50 –25 0 25 50 75 100 125 – 1 0 1 2 3 4 SUPPLY VOLTAGE (V) TEMPERATURE (°C) COMMON MODE VOLTAGE (V) 1635 G01 1635 G02 1635 G03
Noise Voltage Density 0.1Hz to 10Hz Noise Voltage vs Frequency Input Noise Current vs Frequency
80 0.5 V V S = ± 5V VS = ±2.5V S = ± 2.5V T T A = 25°C √Hz) TA = 25°C √Hz) A = 25°C 70 0.4 µV/DIV) 60 0.3 50 0.2 NOISE VOLTAGE (1 40 0.1 INPUT NOISE VOLTAGE DENSITY (nV/ INPUT NOISE CURRENT DENSITY (pA/ 30 0 0 1 2 3 4 5 6 7 8 9 10 1 10 100 1000 1 10 100 1000 TIME (SEC) FREQUENCY (Hz) FREQUENCY (Hz) 1635 G04 1635 G05 1635 G06
Typical Distribution of Offset Turn-On Drift Voltage Drift with Temperature Minimum Supply Voltage of Three Typical Units
25 200 140 VS = 5V, 0V 0 120 20 µV) 100 – 200 15 T 80 A = 125°C – 400 60 10 T – 600 A = 25°C PERCENT OF UNITS 40 T 5 A = – 55°C – 800 CHANGE IN OFFSET VOLTAGE ( 20 CHANGE IN INPUT OFFSET VOLTAGE (V) VS = ±5V TA = 25°C 0 –1000 0 – 6 – 4 – 2 0 2 4 6 0 1 2 0 1 2 3 4 5 6 7 8 9 10 TCVOS (µV/°C) TOTAL SUPPLY VOLTAGE (V) TIME AFTER POWER ON (MINUTES) 1635 G07 1635 G08 1635 G09 5
W U TYPICAL PERFOR A CE CHARACTERISTICS Op Amp Input Bias and Offset Currents Input Bias Current Supply Current vs Supply Voltage vs Temperature vs Common Mode Voltage
220 100 0 VS = 5V, 0V VS = 5V, 0V 200 IOS TA = –55°C 50 – 1 T 180 A = 125°C µA) TA = 25°C 160 0 – 2 OFFSET CURRENT (pA) TA = –55°C 140 TA = 25°C – 1 – 3 120 SUPPLY CURRENT ( 100 I T B A = 125°C INPUT BIAS CURRENT (nA) – 2 – 4 80 60 BIAS CURRENT (nA) – 3 – 5 2 3 4 5 6 7 8 9 10 –50 –25 0 25 50 75 100 125 – 1 0 1 2 3 4 SUPPLY VOLTAGE (V) TEMPERATURE (°C) COMMON MODE VOLTAGE (V) 1635 G01 1635 G02 1635 G03
Noise Voltage Density 0.1Hz to 10Hz Noise Voltage vs Frequency Input Noise Current vs Frequency
80 0.5 V V S = ± 5V VS = ±2.5V S = ± 2.5V T T A = 25°C √Hz) TA = 25°C √Hz) A = 25°C 70 0.4 µV/DIV) 60 0.3 50 0.2 NOISE VOLTAGE (1 40 0.1 INPUT NOISE VOLTAGE DENSITY (nV/ INPUT NOISE CURRENT DENSITY (pA/ 30 0 0 1 2 3 4 5 6 7 8 9 10 1 10 100 1000 1 10 100 1000 TIME (SEC) FREQUENCY (Hz) FREQUENCY (Hz) 1635 G04 1635 G05 1635 G06
Typical Distribution of Offset Turn-On Drift Voltage Drift with Temperature Minimum Supply Voltage of Three Typical Units
25 200 140 VS = 5V, 0V 0 120 20 µV) 100 – 200 15 T 80 A = 125°C – 400 60 10 T – 600 A = 25°C PERCENT OF UNITS 40 T 5 A = – 55°C – 800 CHANGE IN OFFSET VOLTAGE ( 20 CHANGE IN INPUT OFFSET VOLTAGE (V) VS = ±5V TA = 25°C 0 –1000 0 – 6 – 4 – 2 0 2 4 6 0 1 2 0 1 2 3 4 5 6 7 8 9 10 TCVOS (µV/°C) TOTAL SUPPLY VOLTAGE (V) TIME AFTER POWER ON (MINUTES) 1635 G07 1635 G08 1635 G09 5
