LM393B datasheet(22/49 Pages) TI

номер детали	LM393B

подробное описание детали	LM393B, LM2903B, LM193, LM293, LM393 and LM2903 Dual Comparators

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производитель	TI [Texas Instruments]

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VCC

Ground

6

5

7

1

2

3

4

8

Ground

PF

1IN-

1IN+

GND

2OUT

2IN-

2IN+

1OUT

VCC

OK

VCC or GND

Better

Input Resistors

Close to device

22

LM393B, LM2903B, LM193, LM293, LM293A, LM393, LM393A, LM2903, LM2903V

SLCS005AC – OCTOBER 1979 – REVISED FEBRUARY 2020

www.ti.com

Product Folder Links: LM393B LM2903B LM193 LM293 LM293A LM393 LM393A LM2903 LM2903V

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9 Power Supply Recommendations

For fast response and comparison applications with noisy or AC inputs, TI recommends to use a bypass

capacitor on the supply pin to reject any variation on the supply voltage. This variation can eat into the input

common-mode range of the comparator and create an inaccurate comparison.

10 Layout

10.1 Layout Guidelines

For accurate comparator applications without hysteresis it is important maintain a stable power supply with

minimized noise and glitches. To achieve this, it is best to add a bypass capacitor between the supply voltage

and ground. This should be implemented on the positive power supply and negative supply (if available). If a

negative supply is not being used, do not put a capacitor between the IC's GND pin and system ground.

Minimize coupling between outputs and inverting inputs to prevent output oscillations. Do not run output and

inverting input traces in parallel unless there is a VCC or GND trace between output and inverting input traces to

reduce coupling. When series resistance is added to inputs, place resistor close to the device.

10.2 Layout Example

Figure 42. LM2903 Layout Example

Аналогичный номер детали - LM393B

производитель	номер детали	датащи	подробное описание детали
Texas Instruments	LM393B	1Mb / 40P	[Old version datasheet] LM193, LM293, LM393, LM2903, LM393B and LM2903B Dual Comparators
	LM393B	1Mb / 46P	[Old version datasheet] LM193, LM293, LM393, LM2903, LM393B and LM2903B Dual Comparators
	LM393B	2Mb / 50P	[Old version datasheet] LM393B, LM2903B, LM193, LM293, LM393 and LM2903 Dual Comparators
	LM393B	3Mb / 55P	[Old version datasheet] LM393B, LM2903B, LM193, LM293, LM393 and LM2903 Dual Comparators
	LM393BIDDFR	2Mb / 50P	[Old version datasheet] LM393B, LM2903B, LM193, LM293, LM393 and LM2903 Dual Comparators

More results

Аналогичное описание - LM393B

производитель	номер детали	датащи	подробное описание детали
Texas Instruments	LM393B	2Mb / 50P	[Old version datasheet] LM393B, LM2903B, LM193, LM293, LM393 and LM2903 Dual Comparators
	LM193	1Mb / 40P	[Old version datasheet] LM193, LM293, LM393, LM2903, LM393B and LM2903B Dual Comparators
	LM193	1Mb / 46P	[Old version datasheet] LM193, LM293, LM393, LM2903, LM393B and LM2903B Dual Comparators
	LM393B	3Mb / 55P	[Old version datasheet] LM393B, LM2903B, LM193, LM293, LM393 and LM2903 Dual Comparators
	LM193-N	447Kb / 17P	[Old version datasheet] LM193/LM293/LM393/LM2903 Low Power Low Offset Voltage Dual Comparators
	LM193-N	1Mb / 25P	[Old version datasheet] LM193/LM293/LM393/LM2903 Low Power Low Offset Voltage Dual Comparators
	LM393MX_NOPB	1Mb / 24P	[Old version datasheet] LM193/LM293/LM393/LM2903 Low Power Low Offset Voltage Dual Comparators
	LM393-N	1Mb / 24P	[Old version datasheet] LM193/LM293/LM393/LM2903 Low Power Low Offset Voltage Dual Comparators
	LM2903-Q1	3Mb / 38P	[Old version datasheet] LM2903-Q1 and LM2903B-Q1 Automotive Dual Comparators
	LM2903-Q1	2Mb / 37P	[Old version datasheet] LM2903-Q1 and LM2903B-Q1 Automotive Dual Comparators

More results

LM393B датащи(PDF) 22 Page - Texas Instruments

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Аналогичный номер детали - LM393B

Аналогичное описание - LM393B

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