Datasheet LT6109-1, LT6109-2 (Analog Devices) - 6
Hersteller | Analog Devices |
Beschreibung | High Side Current Sense Amplifier with Reference and Comparators |
Seiten / Seite | 28 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS Performance characteristics taken at … |
Dateiformat / Größe | PDF / 326 Kb |
Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS Performance characteristics taken at TA = 25°C,
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LT6109-1/LT6109-2
TYPICAL PERFORMANCE CHARACTERISTICS Performance characteristics taken at TA = 25°C, V+ = 12V, VPULLUP = V+, VEN/RST = 2.7V, RIN = 100Ω, ROUT = R1 + R2 + R3 = 10k, gain = 100, RC = 25.5k, CL = CLC = 2pF, unless otherwise noted. (See Figure 3) Power Supply Rejection Ratio Common Mode Rejection Ratio vs Frequency vs Frequency Amplifier Gain vs Frequency
160 140 46 140 120 G = 100 TIO (dB) TIO (dB) 40 120 100 G = 50, ROUT = 5k 100 80 34 80 60 Y REJECTION RA GAIN (dB) 28 G = 20, R 60 OUT = 2k 40 40 22 20 20 I POWER SUPPL COMMON MODE REJECTION RA OUTA = 1mA IOUTA = 100µA 0 0 16 1 10 100 1k 10k 100k 1M 10M 1 10 100 1k 10k 100k 1M 10M 1k 10k 100k 1M 10M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 610912 G09 610912 G10 610912 G11
Amplifier Input Bias Current Amplifier Step Response System Step Response vs Temperature (VSENSE = 0mV to 100mV)
V 100 SENSE 100mV/DIV RIN = 100Ω 90 G = 100V/V 0V 80 VOUTA 1V/DIV 70 V SENSEHI OUTA 0V 60 2V/DIV 50 V SENSELO OUTC1 2V/DIV 40 0V 0V 30 V INPUT BIAS CURRENT (nA) V EN/RST 20 SENSE 5V/DIV 50mV/DIV 0V 10 0V ROUT = 2k,100mV INC1 OVERDRIVE 0 2µs/DIV –40 –25 –10 5 20 35 50 65 80 95 110 125 2µs/DIV 610912 G12 TEMPERATURE (°C) 610912 G14 610912 G13
Amplifier Step Response Amplifier Step Response Amplifier Step Response (VSENSE = 10mV to 100mV) (VSENSE = 0mV to 100mV) (VSENSE = 10mV to 100mV)
RIN = 100Ω RIN = 1k RIN = 1k G = 100V/V ROUT = 20k ROUT = 20k G = 20V/V G = 20V/V V V V OUTA OUTA OUTA 2V/DIV 1V/DIV 1V/DIV 0V 0V 0V V V V SENSE SENSE SENSE 100mV/DIV 100mV/DIV 50mV/DIV 0V 0V 0V 2µs/DIV 2µs/DIV 2µs/DIV 610912 G15 610912 G16 610912 G17 610912fa 6 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagrams Applications Information Typical Applications Package Description Revison History Typical Application Related Parts