Datasheet LT1024 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | Dual, Matched Picoampere, Microvolt Input, Low Noise Op Amp |
| Pages / Page | 12 / 5 — TYPICAL PERFOR A CE CHARACTERISTICS. Offset Voltage Drift and. Input Bias … |
| File Format / Size | PDF / 179 Kb |
| Document Language | English |
TYPICAL PERFOR A CE CHARACTERISTICS. Offset Voltage Drift and. Input Bias Current Over. Tracking with Temperatures of
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LT1024
W U TYPICAL PERFOR A CE CHARACTERISTICS Offset Voltage Drift and Input Bias Current Over Tracking with Temperatures of Common Mode Range Warm-Up Drift Representative Units
60 5 60 V V S = ±15V S = ±15V VS = ±15V T T A = 25°C A = 25°C DEVICE WITH POSITIVE 2 V) 40 40 INPUT CURRENT µ 4 V) 1 20 µ 20 RIN CM = 2 x 1012Ω 3 1 0 DEVICE WITH NEGATIVE 0 INPUT CURRENT 2 2 –20 –20 2 – OFFSET VOLTAGE ( INPUT BIAS CURRENT (pA) IB 1 –40 + – 40 CHANGE IN OFFSET VOLTAGE ( 1 INDIVIDUAL AMPLIFIERS V 2 TRACKING (MATCH DRIFT) CM – 60 0 – 60 –15 –10 – 5 0 5 10 15 0 1 2 3 4 5 – 50 –25 0 25 50 75 100 125 COMMON MODE INPUT VOLTAGE (V) TIME AFTER POWER ON (MINUTES) TEMPERATURE (°C) LT1024 • TPC03 LT1024 • TPC04 LT1024 • TPC05
Supply Current vs Supply Voltage per Amplifier 0.1Hz to 10Hz Noise Noise Spectrum
500 1000 T T A = 25°C A = 25°C V V S ±2V TO ± 20V S ±2 TO ±20V Hz) Hz) √ √ A) µ 100 CURRENT NOISE 400 25°C VOLTAGE NOISE 125°C 10 1/f CORNER SUPPLY CURRENT ( 2.5Hz –55°C NOISE VOLTAGE 400nV/DIVISION VOLTAGE NOISE DENSITY (nV/ CURRENT NOISE DENSITY (fA/ 1/f CORNER 120Hz 300 1 0 ± 5 ±10 ±15 ± 20 0 2 4 6 8 10 1 10 100 1000 SUPPLY VOLTAGE (V) TIME (SECONDS) FREQUENCY (Hz) LT1024 • TPC06 LT1024 • TPC07 LT1024 • TPC08
Total Noise vs Source Common Mode Rejection and Power Supply Rejection vs Resistance CMRR Match vs Frequency Frequency
10.0 140 140 T V A = 25°C S = ±15V V T S = ±2V TO ± 20V AT 10Hz 120 A = 25°C 120 √Hz) AT 1kHz MATCH 100 CMRR µV/ (∆CMRR) 1.0 100 R 80 – 80 R + 60 POSITIVE NEGATIVE RS = 2R SUPPLY SUPPLY 0.1 60 40 AT 10Hz TOTAL NOISE DENSITY ( AT 1kHz 20 40 RESISTOR NOISE COMMON MODE REJECTION RATIO (dB) VS = ±15V POWER SUPPLY REJECTION RATIO (dB) ONLY TA = 25°C 0.01 0 20 102 103 104 105 106 107 108 1 10 100 1k 10k 100k 1M 0.1 1 10 100 1k 10k 100k 1M SOURCE RESISTANCE (Ω) FREQUENCY (Hz) FREQUENCY (Hz) LT1024 • TPC09 LT1024 • TPC10 LT1024 • TPC11 1024fa 5
W U TYPICAL PERFOR A CE CHARACTERISTICS Offset Voltage Drift and Input Bias Current Over Tracking with Temperatures of Common Mode Range Warm-Up Drift Representative Units
60 5 60 V V S = ±15V S = ±15V VS = ±15V T T A = 25°C A = 25°C DEVICE WITH POSITIVE 2 V) 40 40 INPUT CURRENT µ 4 V) 1 20 µ 20 RIN CM = 2 x 1012Ω 3 1 0 DEVICE WITH NEGATIVE 0 INPUT CURRENT 2 2 –20 –20 2 – OFFSET VOLTAGE ( INPUT BIAS CURRENT (pA) IB 1 –40 + – 40 CHANGE IN OFFSET VOLTAGE ( 1 INDIVIDUAL AMPLIFIERS V 2 TRACKING (MATCH DRIFT) CM – 60 0 – 60 –15 –10 – 5 0 5 10 15 0 1 2 3 4 5 – 50 –25 0 25 50 75 100 125 COMMON MODE INPUT VOLTAGE (V) TIME AFTER POWER ON (MINUTES) TEMPERATURE (°C) LT1024 • TPC03 LT1024 • TPC04 LT1024 • TPC05
Supply Current vs Supply Voltage per Amplifier 0.1Hz to 10Hz Noise Noise Spectrum
500 1000 T T A = 25°C A = 25°C V V S ±2V TO ± 20V S ±2 TO ±20V Hz) Hz) √ √ A) µ 100 CURRENT NOISE 400 25°C VOLTAGE NOISE 125°C 10 1/f CORNER SUPPLY CURRENT ( 2.5Hz –55°C NOISE VOLTAGE 400nV/DIVISION VOLTAGE NOISE DENSITY (nV/ CURRENT NOISE DENSITY (fA/ 1/f CORNER 120Hz 300 1 0 ± 5 ±10 ±15 ± 20 0 2 4 6 8 10 1 10 100 1000 SUPPLY VOLTAGE (V) TIME (SECONDS) FREQUENCY (Hz) LT1024 • TPC06 LT1024 • TPC07 LT1024 • TPC08
Total Noise vs Source Common Mode Rejection and Power Supply Rejection vs Resistance CMRR Match vs Frequency Frequency
10.0 140 140 T V A = 25°C S = ±15V V T S = ±2V TO ± 20V AT 10Hz 120 A = 25°C 120 √Hz) AT 1kHz MATCH 100 CMRR µV/ (∆CMRR) 1.0 100 R 80 – 80 R + 60 POSITIVE NEGATIVE RS = 2R SUPPLY SUPPLY 0.1 60 40 AT 10Hz TOTAL NOISE DENSITY ( AT 1kHz 20 40 RESISTOR NOISE COMMON MODE REJECTION RATIO (dB) VS = ±15V POWER SUPPLY REJECTION RATIO (dB) ONLY TA = 25°C 0.01 0 20 102 103 104 105 106 107 108 1 10 100 1k 10k 100k 1M 0.1 1 10 100 1k 10k 100k 1M SOURCE RESISTANCE (Ω) FREQUENCY (Hz) FREQUENCY (Hz) LT1024 • TPC09 LT1024 • TPC10 LT1024 • TPC11 1024fa 5
