Datasheet > MAX987

MAX987

更新时间： 2023-12-20 18:44:29

品牌	Logo	应用领域
亚德诺 - ADI		比较器
页数	文件大小	规格书
13页	1699K
描述
高速、微功耗、低电压、SOT23封装、满摆幅输入/输出比较器

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中文翻译

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数据手册

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MAX987 数据手册

MAX987/MAX988/MAX991/

MAX992/MAX995/MAX996

High-Speed, Micropower, Low-Voltage,

Rail-to-Rail I/O Comparators

Zero-Crossing Detector

Logic-Level Translator

Figure 3 shows a zero-crossing detector application. The

MAX987’s inverting input is connected to ground, and

its noninverting input is connected to a 100mVp-p signal

source. As the signal at the noninverting input crosses 0V,

the comparator’s output changes state.

Figure 4 shows an application that converts 5V logic levels

to 3V logic levels. The MAX988 is powered by the +5V

supply voltage, and the pullup resistor for the MAX988’s

open-drain output is connected to the +3V supply voltage.

This configuration allows the full 5V logic swing without

creating overvoltage on the 3V logic inputs. For 3V to 5V

logic-level translation, simply connect the +3V supply to

and the +5V supply to the pullup resistor.

+5V (+3V)

0.1µF

+3V (+5V)

100kΩ

100mV

PULLUP

IN+

IN-

OUT

3V (5V)

LOGIC OUT

OUT

100kΩ

IN+

MAX987

MAX988

5V (3V) LOGIC IN

Figure 3. Zero-Crossing Detector

Figure 4. Logic-Level Translator

Pin Conﬁgurations (continued)

TOP VIEW

OUTA

INA-

14 OUTD

13 IND-

12 IND+

N.C.

IN-

N.C.

OUTA

INA-

MAX987

MAX988

MAX991

MAX992

OUTB

INB-

INA+

MAX995

MAX996

OUT

N.C.

IN+

INA+

INB+

INB-

10 INC+

INC-

SO/µMAX

OUTB

OUTC

SO/TSSOP

Maxim Integrated

│ 10

www.maximintegrated.com

1...7 8 91011 12 13

中文翻译

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