Datasheet LTC6246, LTC6247, LTC6248 (Analog Devices) - 9

LTC6246/LTC6247/LTC6248
TYPICAL PERFORMANCE CHARACTERISTICS Input Bias Current Offset Voltage vs Output Current Warm-Up Drift vs Time vs Common Mode Voltage
2.0 5 800 VS = ±2.5V VS = ±2.5V V 600 S = 5V, 0V 125°C 1.5 0 TA = 25°C 125°C V) 400 25°C 1.0 –5 200 TAGE (µ 0 0.5 –10 –200 –55°C (mV) 0 –55°C –15 –400 V OS –600 –0.5 25°C –20 –800 –1.0 –25 INPUT BIAS CURRENT (nA) –1000 CHANGE IN OFFSET VOL –1200 –1.5 –30 –1400 –2.0 –35 –1600 –100 –75 –50 –25 0 25 50 75 100 0 20 40 60 80 100 120 140 160 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 OUTPUT CURRENT (mA) TIME AFTER POWER-UP (s) COMMON MODE VOLTAGE (V) 624678 G10 624678 G11 624678 G12
Input Noise Voltage and Noise Input Bias Current vs Temperature 0.1Hz to 10Hz Voltage Noise Current vs Frequency
700 1.5 1000 VS = 5V, 0V VS = ±2.5V 600 1.0 500 VCM = 4.5V ) en, VCM = 4.5V /DIV) Hz Hz 100 400 0.5 /√ en, VCM = 2.5V 300 0 10 200 100 0.5 TAGE NOISE (nV TAGE NOISE (500nV in, VCM = 2.5V INPUT BIAS CURRENT (nA) 0 VCM = 2.5V VOL 1.0 VOL CURRENT NOISE (pA/√ –1.0 in, VCM = 4.5V –100 –200 –1.5 0.1 –55 –25 5 35 65 95 125 0 1 2 3 4 5 6 7 8 9 10 1 10 100 1k 10k 100k 1M 10M TEMPERATURE (°C) TIME (1s/DIV) FREQUENCY (Hz) 624678 G13 624678 G14 624678 G15
Supply Current Supply Current Per Amplifier SHDN Pin Current vs Supply Voltage (Per Amplifier) vs SHDN Pin Voltage vs SHDN Pin Voltage
1.20 1.25 0.25 VS = 5V, 0V VS = 5V, 0V 125°C 0 1.00 SHUTDOWN CURRENT 25°C –0.25 T 1.00 A = 125°C –0.50 0.80 –55°C –0.75 0.75 –1.00 0.60 –1.25 –55°C Y CURRENT (mA) TA = –55°C Y CURRENT (mA) 0.50 PIN CURRENT (µA) 0.40 –1.50 SUPPL –1.75 T SUPPL SHDN A = 25°C 25°C 0.20 0.25 –2.00 125°C –2.25 0 0 –2.50 0 1 2 3 4 5 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 TOTAL SUPPLY VOLTAGE (V) SHDN PIN VOLTAGE (V) SHDN PIN VOLTAGE (V) 624678 G16 624678 G17 624678 G18 Rev C For more information www.analog.com 9 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Applications Information Typical Applications Revision History Typical Application Related Parts