Datasheet LTC6115 (Analog Devices) - 7

LTC6115
VOLTAGE SENSE TYPICAL PERFORMANCE CHARACTERISTICS Supply Current (IS) vs Supply Total Gain Error Distribution Total Gain Error vs VIN Voltage (VS)
400 0.5 80 VS = 5V REPRESENTATIVE PARTS VIN = 100V 70 0.4 300 60 TS DOMINATED BY VOS AR 0.3 50 200 40 0.2 DOMINATED Y CURRENT (µA) 30 NUMBER OF P AL GAIN ERROR (%) BY RESISTOR 100 DIVIDER ERROR TOT SUPPL 20 0.1 VIN = 50V 10 AV = 1 TA = 25°C 0 0 0 –0.06–0.04–0.02 0.00 0.02 0.04 0.06 0.08 0.10 0.0 20.0 40.0 60.0 80.0 100.0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 TOTAL GAIN ERROR, ∆G (%) VIN (V) SUPPLY VOLTAGE (V) 6115 G16 6115 G17 6115 G18
Supply Current (IS) vs VIN Referred 0.1Hz to 10Hz Output Temperature Voltage Noise Spectrum Voltage Noise (OUTV)
75 14 VS = 5V VIN = 100V 70 12 10 65 ) VOLTAGE Hz NOISE V 8 S = 5V V/√ 500nV/DIV 60 Y CURRENT (µA) 6 55 NOISE (µ VS = 3V VS = 5V SUPPL 4 VIN =15V 50 2 1s/DIV 6115 G21 45 0 –40 –25 –10 5 20 35 50 65 80 95 110 125 1 10 100 1k 10k 100k TEMPERATURE (°C) FREQUENCY (Hz) 6115 G19 6115 G20
FB Pin Input Bias Current vs Small Signal Step Response PSRR vs Frequency (OUTV) Temperature (OUTV)
140 900 VS = 5V VIN = 100V 120 800 TA = 25°C 700 100 600 80 OUTV 500 10mV/DIV 60 IB (pA) 400 PSRR (dB) VS = 5V 300 A 40 V = 1 VIN 1V STEP C 200 L = 100pF 6115 G24 20 10µs/DIV 100 0 0 1 10 100 1k 10k 100k 1M –50 –15 20 55 90 125 FREQUENCY (Hz) TEMPERATURE (°C) 6115 G22 6115 G23 Rev. B For more information www.analog.com 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Current Sense Typical Performance Characteristics Voltage Sense Typical Performance Characteristics Pin Functions Block Diagram Applications Information: Current Sense Applications Information: Voltage Sense Typical Applications Package Description Revision History Typical Application Related Parts