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LMV762MA Datasheet(PDF) 15 Page - Texas Instruments

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Part No. LMV762MA
Description  Low-Voltage, Precision Comparator With Push-Pull Output
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
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LMV762MA Datasheet(HTML) 15 Page - Texas Instruments

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VREF
C1
GND
V+
SD
OUT
+IN
-IN
GND
VIN
R1
R2
LMV761, LMV762, LMV762Q-Q1
www.ti.com
SNOS998I – FEBRUARY 2002 – REVISED OCTOBER 2015
9 Power Supply Recommendations
To minimize supply noise, power supplies must be decoupled by a 0.1-
μF ceramic capacitor in parallel with a
10-
μF capacitor.
Due to the nanosecond edges on the output transition, peak supply currents will be drawn during output
transitions. Peak current depends on the capacitive loading on the output. The output transition can cause
transients on poorly bypassed power supplies. These transients can cause a poorly bypassed power supply to
ring due to trace inductance and low self-resonance frequency of high ESR bypass capacitors.
Treat the LMV6x as a high-speed device. Keep the ground paths short and place small (low-ESR ceramic)
bypass capacitors directly between the V+ and Vpins.
Output capacitive loading and output toggle rate will cause the average supply current to rise over the quiescent
current.
10 Layout
10.1 Layout Guidelines
The LMV76x is designed to be stable and oscillation free, but it is still important to include the proper bypass
capacitors and ground pick-ups. Ceramic 0.1-
μF capacitors must be placed at both supplies to provide clean
switching. Minimize the length of signal traces to reduce stray capacitance.
10.2 Layout Example
Figure 26. Comparator With Hysteresis
Copyright © 2002–2015, Texas Instruments Incorporated
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Product Folder Links: LMV761 LMV762 LMV762Q-Q1


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