Datasheet LT6108-1, LT6108-2 (Analog Devices) - 9

ManufacturerAnalog Devices
DescriptionHigh Side Current Sense Amplifier with Reference and Comparator
Pages / Page30 / 9 — TYPICAL PERFORMANCE CHARACTERISTICS. Performance characteristics taken at …
File Format / SizePDF / 361 Kb
Document LanguageEnglish

TYPICAL PERFORMANCE CHARACTERISTICS. Performance characteristics taken at TA = 25°C,

TYPICAL PERFORMANCE CHARACTERISTICS Performance characteristics taken at TA = 25°C,

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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) Comparator Input Bias Current Comparator Input Bias Current Comparator Output Low Voltage vs Input Voltage vs Input Voltage vs Output Sink Current
10 10 1.00 125°C 25°C 5 5 –40°C 0.75 0 0 –5 –5 0.50 OUTC (V) V OL –10 –10 0.25 –15 125°C –15 125°C 25°C 25°C COMPARATOR INPUT BIAS CURRENT (nA) –40°C COMPARATOR INPUT BIAS CURRENT (nA) –40°C –20 –20 0 0 20 40 60 0 0.2 0.4 0.6 0.8 1.0 0 1 2 3 COMPARATOR INPUT VOLTAGE (V) COMPARATOR INPUT VOLTAGE (V) IOUTC (mA) 610812 G27 610812 G28 610812 G29
Comparator Output Leakage Comparator Propagation Delay Comparator Rise/Fall Time Current vs Pull-Up Voltage vs Input Overdrive vs Pull-Up Resistor
23 5.0 10000 VOH = 0.9 • VPULLUP 4.5 VOL = 0.1 • VPULLUP 100mV INC OVERDRIVE 18 4.0 CL = 2pF 125°C 3.5 1000 13 3.0 RISING INPUT FALLING LT6108-1 AND LT6108-2 INPUT 2.5 LT6108-2 ALL TIME (ns) 8 2.0 FALLING INPUT 100 1.5 LT6108-2 RISE/F RISING INPUT OUTC LEAKAGE CURRENT (nA) 3 1.0 LT6108-1 AND –40°C AND 25°C LT6108-2 COMPARATOR PROPAGATION DELAY (µs) 0.5 –2 0 10 0 10 20 30 40 50 60 0 40 80 120 160 200 1 10 100 1000 COMPARATOR OUTPUT PULL-UP VOLTAGE (V) COMPARATOR INPUT OVERDRIVE (mV) RC PULL-UP RESISTOR (kΩ) 610812 G30 610812 G31 610812 G32
LT6108-1 Comparator Step LT6108-1 Comparator Step Response (5mV INC Overdrive) Response (100mV INC Overdrive)
V+ = 5V V V+ = 5V INC VINC 0.5V/DIV 0.5V/DIV 0V 0V V V OUTC OUTC 2V/DIV 2V/DIV 0V 0V VEN/RST VEN/RST 5V/DIV 5V/DIV 0V 0V 5µs/DIV 5µs/DIV 610812 G33 610812 G34 610812fa 9 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