Datasheet LT1112, LT1114 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | Dual/Quad Low Power Precision, Picoamp Input Op Amps |
| 页数 / 页 | 16 / 7 — TYPICAL PERFOR A CE CHARACTERISTICS. Distribution of Offset Voltage. … |
| 文件格式/大小 | PDF / 348 Kb |
| 文件语言 | 英语 |
TYPICAL PERFOR A CE CHARACTERISTICS. Distribution of Offset Voltage. Distribution of Offset. Match Drift (LT1112J8, LT1112N8,
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LT1112/LT1114
W U TYPICAL PERFOR A CE CHARACTERISTICS Distribution of Offset Voltage Distribution of Offset Voltage Distribution of Offset Match Drift (LT1112J8, LT1112N8, Match Drift (LT1112S8, LT1114N, Voltage Match LT1114J Packages) LT1114S Packages)
25 30 20 VS = ±15V VS = ±15V VS = ±15V TA = 25°C 342 PAIRS TESTED 364 PAIRS TESTED 25 20 15 20 15 15 10 10 10 PERCENT OF UNITS PERCENT ON UNITS PERCENT OF UNITS 5 5 5 0 0 0 –100 –80 –60 – 40 –20 0 20 40 60 80 100 –0.8 –0.6 –0.4 –0.2 0 0.2 0.4 0.6 0.8 –1.6 –1.2 –0.8 –0.4 0 0.4 0.8 1.2 1.6 ∆V OFFSET VOLTAGE MATCH DRIFT (µV/°C) OFFSET VOLTAGE MATCH DRIFT (µV/°C) OS, OFFSET VOLTAGE MATCH (µV) LT1112/14 • TPC07 LT1112/14 • TPC08 LT1112/14 • TPC09
Noise Spectrum 0.1Hz to 10Hz Noise 0.01Hz to 1Hz Noise
1000 VS = ±1V TO ±20V VS = ±15V VS = ±15V TA = 25°C TA = 25°C TA = 25°C √Hz) √Hz) 100 µV/DIV) µV/DIV) CURRENT NOISE VOLTAGE NOISE 10 1/fCORNER 2.5Hz NOISE VOLTAGE (0.2 NOISE VOLTAGE (0.2 1/fCORNER VOLTAGE NOISE DENSITY (nV/ CURRENT NOISE DENSITY (fA/ 140Hz 1 1 10 100 1000 0 2 4 6 8 10 0 20 40 60 80 100 FREQUENCY (Hz) TIME (SEC) TIME (SEC) LT1112/14 • TPC10 LT1112/14 • TPC11 LT1112/14 • TPC12
Long Term Stability of Three Supply Current per Amplifier Warm-Up Drift Representative Units vs Supply Voltage
3 6 600 V V S = ±15V S = ±15V T T A = 25°C A = 25°C 2A µA) µV) µV) 4 500 2 2 3A LT1112S8, LT1114N/S PACKAGES 2B 0 400 1A TA = 125°C 1 LT1114J PACKAGE –2 3B TA = 25°C LT1112J8, N8 PACKAGES 1B 300 CHANGE IN OFFSET VOLTAGE ( CHANGE IN OFFSET VOLTAGE ( –4 TA = –55°C SUPPLY CURRENT PER AMPLIFIER ( 0 –6 200 0 0.5 1.0 1.5 2.0 2.5 0 1 2 3 4 5 6 0 ±5 ±10 ±15 ±20 TIME AFTER POWER ON (MINUTES) TIME (MONTHS) SUPPLY VOLTAGE (V) LT1112/14 • TPC13 LT1112/14 • TPC14 LT1112/14 • TPC15 111214fb 7
W U TYPICAL PERFOR A CE CHARACTERISTICS Distribution of Offset Voltage Distribution of Offset Voltage Distribution of Offset Match Drift (LT1112J8, LT1112N8, Match Drift (LT1112S8, LT1114N, Voltage Match LT1114J Packages) LT1114S Packages)
25 30 20 VS = ±15V VS = ±15V VS = ±15V TA = 25°C 342 PAIRS TESTED 364 PAIRS TESTED 25 20 15 20 15 15 10 10 10 PERCENT OF UNITS PERCENT ON UNITS PERCENT OF UNITS 5 5 5 0 0 0 –100 –80 –60 – 40 –20 0 20 40 60 80 100 –0.8 –0.6 –0.4 –0.2 0 0.2 0.4 0.6 0.8 –1.6 –1.2 –0.8 –0.4 0 0.4 0.8 1.2 1.6 ∆V OFFSET VOLTAGE MATCH DRIFT (µV/°C) OFFSET VOLTAGE MATCH DRIFT (µV/°C) OS, OFFSET VOLTAGE MATCH (µV) LT1112/14 • TPC07 LT1112/14 • TPC08 LT1112/14 • TPC09
Noise Spectrum 0.1Hz to 10Hz Noise 0.01Hz to 1Hz Noise
1000 VS = ±1V TO ±20V VS = ±15V VS = ±15V TA = 25°C TA = 25°C TA = 25°C √Hz) √Hz) 100 µV/DIV) µV/DIV) CURRENT NOISE VOLTAGE NOISE 10 1/fCORNER 2.5Hz NOISE VOLTAGE (0.2 NOISE VOLTAGE (0.2 1/fCORNER VOLTAGE NOISE DENSITY (nV/ CURRENT NOISE DENSITY (fA/ 140Hz 1 1 10 100 1000 0 2 4 6 8 10 0 20 40 60 80 100 FREQUENCY (Hz) TIME (SEC) TIME (SEC) LT1112/14 • TPC10 LT1112/14 • TPC11 LT1112/14 • TPC12
Long Term Stability of Three Supply Current per Amplifier Warm-Up Drift Representative Units vs Supply Voltage
3 6 600 V V S = ±15V S = ±15V T T A = 25°C A = 25°C 2A µA) µV) µV) 4 500 2 2 3A LT1112S8, LT1114N/S PACKAGES 2B 0 400 1A TA = 125°C 1 LT1114J PACKAGE –2 3B TA = 25°C LT1112J8, N8 PACKAGES 1B 300 CHANGE IN OFFSET VOLTAGE ( CHANGE IN OFFSET VOLTAGE ( –4 TA = –55°C SUPPLY CURRENT PER AMPLIFIER ( 0 –6 200 0 0.5 1.0 1.5 2.0 2.5 0 1 2 3 4 5 6 0 ±5 ±10 ±15 ±20 TIME AFTER POWER ON (MINUTES) TIME (MONTHS) SUPPLY VOLTAGE (V) LT1112/14 • TPC13 LT1112/14 • TPC14 LT1112/14 • TPC15 111214fb 7