Datasheet LT6108-1, LT6108-2 (Analog Devices) - 7
| Manufacturer | Analog Devices |
| Description | High Side Current Sense Amplifier with Reference and Comparator |
| Pages / Page | 30 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. Performance characteristics taken at … |
| File Format / Size | PDF / 361 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. Performance characteristics taken at TA = 25°C,
Model Line for this Datasheet
- LT6108AHMS8-1#PBF LT6108AHMS8-1#PBF LT6108AHMS8-1#TRPBF LT6108AHMS8-1#TRPBF LT6108AHMS8-2#PBF LT6108AHMS8-2#PBF LT6108AHMS8-2#TRPBF LT6108AHMS8-2#TRPBF LT6108AIMS8-1#PBF LT6108AIMS8-1#PBF LT6108AIMS8-1#TRPBF LT6108AIMS8-1#TRPBF LT6108AIMS8-2#PBF LT6108AIMS8-2#PBF LT6108AIMS8-2#TRPBF LT6108AIMS8-2#TRPBF LT6108HDCB-1#PBF LT6108HDCB-1#TRMPBF LT6108HDCB-1#TRMPBF LT6108HDCB-1#TRPBF LT6108HDCB-1#TRPBF LT6108HDCB-2#PBF LT6108HDCB-2#TRMPBF LT6108HDCB-2#TRMPBF LT6108HDCB-2#TRPBF LT6108HDCB-2#TRPBF LT6108HMS8-1#PBF LT6108HMS8-1#PBF LT6108HMS8-1#TRPBF LT6108HMS8-1#TRPBF LT6108HMS8-2#PBF LT6108HMS8-2#PBF LT6108HMS8-2#TRPBF LT6108HMS8-2#TRPBF LT6108IDCB-1#PBF LT6108IDCB-1#TRMPBF LT6108IDCB-1#TRMPBF LT6108IDCB-1#TRPBF LT6108IDCB-1#TRPBF LT6108IDCB-2#PBF LT6108IDCB-2#TRMPBF LT6108IDCB-2#TRMPBF LT6108IDCB-2#TRPBF LT6108IDCB-2#TRPBF LT6108IMS8-1#PBF LT6108IMS8-1#PBF LT6108IMS8-1#TRPBF LT6108IMS8-1#TRPBF LT6108IMS8-2#PBF LT6108IMS8-2#PBF LT6108IMS8-2#TRPBF LT6108IMS8-2#TRPBF
Text Version of Document
LT6108-1/LT6108-2
TYPICAL PERFORMANCE CHARACTERISTICS Performance characteristics taken at TA = 25°C, V+ = 12V, VPULLUP = V+, VEN = VEN/RST = 2.7V, RIN = 100Ω, ROUT = R1 + R2 = 10k, gain = 100, RC = 25.5k, CL = CLC = 2pF, unless otherwise noted. (See Figure 3) Common Mode Rejection Ratio vs Frequency Amplifier Gain vs Frequency LT6108-1 Step Response
140 46 VSENSE 100mV/DIV 120 G = 100, R 0V 40 OUT = 10k TIO (dB) VOUTA 100 G = 50, R 1V/DIV OUT = 5k 34 0V 80 V 60 GAIN (dB) OUTC 28 G = 20, ROUT = 2k 2V/DIV 40 0V 22 VEN/RST 20 I 5V/DIV OUTA = 1mA COMMON MODE REJECTION RA 0V R I OUT = 2k OUTA = 100µA 100mV INC OVERDRIVE 0 16 1 10 100 1k 10k 100k 1M 10M 1k 10k 100k 1M 10M 2µs/DIV FREQUENCY (Hz) FREQUENCY (Hz) 610812 G11 610812 G10 610812 G09
Amplifier Input Bias Current Amplifier Step Response LT6108-2 Step Response vs Temperature (VSENSE = 0mV to 100mV)
100 ROUT = 2k,100mV INC OVERDRIVE R V IN = 100Ω SENSE 90 G = 100V/V 100mV/DIV 0V 80 70 VOUTA VOUTA SENSEHI 2V/DIV 1V/DIV 60 0V 50 SENSELO 40 0V 30 VOUTC V 2V/DIV INPUT BIAS CURRENT (nA) SENSE 20 50mV/DIV 0V 10 0V 0 2µs/DIV –40 –25 –10 5 20 35 50 65 80 95 110 125 2µs/DIV 610812 G12 TEMPERATURE (°C) 610812 G14 610812 G13
Amplifier Step Response Amplifier Step Response Amplifier Step Response (V (VSENSE = 0mV to 100mV) (VSENSE = 10mV to 100mV) SENSE = 10mV to 100mV)
R R IN = 100Ω RIN = 1k IN = 1k G = 100V/V ROUT = 20k ROUT = 20k G = 20V/V G = 20V/V V V VOUTA OUTA OUTA 1V/DIV 2V/DIV 1V/DIV 0V 0V 0V VSENSE VSENSE VSENSE 100mV/DIV 100mV/DIV 50mV/DIV 0V 0V 0V 2µs/DIV 2µs/DIV 2µs/DIV 610812 G15 610812 G16 610912 G17 610812fa 7 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 Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS Performance characteristics taken at TA = 25°C, V+ = 12V, VPULLUP = V+, VEN = VEN/RST = 2.7V, RIN = 100Ω, ROUT = R1 + R2 = 10k, gain = 100, RC = 25.5k, CL = CLC = 2pF, unless otherwise noted. (See Figure 3) Common Mode Rejection Ratio vs Frequency Amplifier Gain vs Frequency LT6108-1 Step Response
140 46 VSENSE 100mV/DIV 120 G = 100, R 0V 40 OUT = 10k TIO (dB) VOUTA 100 G = 50, R 1V/DIV OUT = 5k 34 0V 80 V 60 GAIN (dB) OUTC 28 G = 20, ROUT = 2k 2V/DIV 40 0V 22 VEN/RST 20 I 5V/DIV OUTA = 1mA COMMON MODE REJECTION RA 0V R I OUT = 2k OUTA = 100µA 100mV INC OVERDRIVE 0 16 1 10 100 1k 10k 100k 1M 10M 1k 10k 100k 1M 10M 2µs/DIV FREQUENCY (Hz) FREQUENCY (Hz) 610812 G11 610812 G10 610812 G09
Amplifier Input Bias Current Amplifier Step Response LT6108-2 Step Response vs Temperature (VSENSE = 0mV to 100mV)
100 ROUT = 2k,100mV INC OVERDRIVE R V IN = 100Ω SENSE 90 G = 100V/V 100mV/DIV 0V 80 70 VOUTA VOUTA SENSEHI 2V/DIV 1V/DIV 60 0V 50 SENSELO 40 0V 30 VOUTC V 2V/DIV INPUT BIAS CURRENT (nA) SENSE 20 50mV/DIV 0V 10 0V 0 2µs/DIV –40 –25 –10 5 20 35 50 65 80 95 110 125 2µs/DIV 610812 G12 TEMPERATURE (°C) 610812 G14 610812 G13
Amplifier Step Response Amplifier Step Response Amplifier Step Response (V (VSENSE = 0mV to 100mV) (VSENSE = 10mV to 100mV) SENSE = 10mV to 100mV)
R R IN = 100Ω RIN = 1k IN = 1k G = 100V/V ROUT = 20k ROUT = 20k G = 20V/V G = 20V/V V V VOUTA OUTA OUTA 1V/DIV 2V/DIV 1V/DIV 0V 0V 0V VSENSE VSENSE VSENSE 100mV/DIV 100mV/DIV 50mV/DIV 0V 0V 0V 2µs/DIV 2µs/DIV 2µs/DIV 610812 G15 610812 G16 610912 G17 610812fa 7 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 Revision History Typical Application Related Parts
