Datasheet LT1490A, LT1491A (Analog Devices) - 8

LT1490A/LT1491A
TYPICAL PERFORMANCE CHARACTERISTICS Input Bias Current Supply Current vs Supply Voltage Minimum Supply Voltage vs Common Mode Voltage
80 400 5000 VS = 5V, 0V 70 300 3000 TA = 125°C 60 200 1000 TA = 25°C 50 100 T T T A = 25°C A = –55°C A = –55°C 40 30 T 0 T A = –55°C A = 25°C 30 –100 20 TA = 125°C 20 –200 INPUT BIAS CURRENT (nA) 10 10 –300 0 SUPPLY CURRENT PER AMPLIFIER (μA) TA = 125°C CHANGE IN INPUT OFFSET VOLTAGE (μV) 0 – 400 –10 0 5 10 15 20 25 30 35 40 45 0 1 2 3 4 5 –0.4 0 4.0 4.4 4.8 5.2 5.6 44 TOTAL SUPPLY VOLTAGE (V) TOTAL SUPPLY VOLTAGE (V) COMMON MODE VOLTAGE (V) 1490A G01 1490A G02 1490A G03
Output Saturation Voltage Output Saturation Voltage Output Saturation Voltage vs Load Current (Output High) vs Load Current (Output Low) vs Input Overdrive
1 1 100 VS = 5V, 0V VS = 5V, 0V VS = 5V, 0V 90 NO LOAD 80 TA = 125°C TA = 125°C 70 100m TA = 25°C 60 100m 50 TA = 25°C T 40 A = –55°C 10m 30 T OUTPUT HIGH A = –55°C 20 OUTPUT SATURATION VOLTAGE (V) OUTPUT SATURATION VOLTAGE (V) OUTPUT SATURATION VOLTAGE (mV) 10 OUTPUT LOW 10m 1m 0 1μ 10μ 100μ 1m 10m 100m 0.1μ 1μ 10μ 100μ 1m 10m 100m 0 10 20 30 40 50 SOURCING LOAD CURRENT (A) SINKING LOAD CURRENT (A) INPUT OVERDRIVE (mV) 1490A G04 1490A G05 1490A G06
Noise Voltage Density 0.1Hz to 10Hz Noise Voltage vs Frequency Input Noise Current vs Frequency
120 0.35 VS = ±2.5V ) Hz Hz 0.30 100 0.25 80 0.20 0.15 60 0.10 NOISE VOLTAGE (400nV/DIV) 40 0.05 INPUT NOISE VOLTAGE DENSITY (nV/√ INPUT NOISE CURRENT DENSITY (pA/√ 20 0 0 1 2 3 4 5 6 7 8 9 10 1 10 100 1k 1 10 100 1k TIME (SEC) FREQUENCY (Hz) FREQUENCY (Hz) 1490A G07 1490A G08 1490A G09 14901afd 8 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS APPLICATIONS INFORMATION TYPICAL APPLICATIONS SIMPLIFIED SCHEMATIC PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATION RELATED PARTS