Datasheet LT1012A, LT1012 (Analog Devices) - 8

LT1012A/LT1012
W U TYPICAL PERFOR A CE CHARACTERISTICS Offset Voltage vs Source Resistance (Balanced or Typical Distribution of Input Bias Typical Distribution of Input Unbalanced) Current Offset Current
1000 200 200 V 1020 UNITS V 1020 UNITS V S = ±15V S = ±15V S = ±15V T FROM THREE A = 25°C T FROM THREE A = 25°C V RUNS V RUNS 160 CM = 0V 160 CM = 0V µV) 100 120 120 – 55°C TO 125°C 25°C 80 80 10 NUMBER OF UNITS NUMBER OF UNITS INPUT OFFSET VOLTAGE ( 40 40 1 0 0 1k 3k 10k 30k 100k 300k 1M 3M 10M –120 – 60 0 60 120 –120 – 60 0 60 120 SOURCE RESISTANCE (Ω) INPUT BIAS CURRENT (pA) INPUT OFFSET CURRENT (pA) LT1012A • TPC01 LT1012A • TPC02 LT1012A • TPC03
Offset Voltage Drift vs Source Input Bias Current vs Input Bias Current Over Common Resistance (Balanced or Temperature Mode Range Unbalanced)
°C) 100 60 100 V µV/ S = ±15V TA = 25oC DEVICE WITH POSITIVE 40 50 INPUT CURRENT UNDERCANCELLED UNIT 20 10 R 0 IN CM = 2 X 1012Ω 0 DEVICE WITH NEGATIVE OVERCANCELLED INPUT CURRENT –50 UNIT –20 1.0 MAXIMUM – IB INPUT BIAS CURRENT (pA) INPUT BIAS CURRENT (pA) + –100 VCM –40 TYPICAL –150 –60 0.1 –50 –25 0 25 50 75 100 125 –15 –10 –5 0 5 10 15 1k OFFSET VOLTAGE DRIFT WITH TEMPERATURE ( 10k 100k 1M 10M 100M TEMPERATURE (°C) SOURCE RESISTANCE (Ω) COMMON MODE INPUT VOLTAGE LT1012A • TPC04 LT1012A * TPC5 LT1012 • TPC06
Long Term Stability of Four Offset Voltage Drift with Temperature Warm-Up Drift Representative Units of Four Representative Units
5 10 60 VS = ±15V T 8 A = 25°C µV) 40 4 µV) 6 4 µV) 20 3 2 0 0 2 METAL CAN (H) PACKAGE –2 –20 DUAL-IN-LINE PACKAGE –4 OFFSET VOLTAGE ( 1 PLASTIC (N) OR SO (S) –6 CHANGE IN OFFSET VOLTAGE ( CHANGE IN OFFSET VOLTAGE ( – 40 –8 0 –10 – 60 0 1 2 3 4 5 0 1 2 3 4 5 – 50 –25 0 25 50 75 100 125 TIME AFTER POWER ON (MINUTES) TIME (MONTHS) TEMPERATURE (°C) LT1012A • TPC07 LT1012A • TPC08 LT1012A • TPC09 sn1012 1012afbs 8