MAX983CSA Datasheet_PDF文件下载_芯片资料查询

Ultra-Low-Power, Open-Drain,

Single/Dual-Supply Comparators

MAX971鈥揗AX974/MAX981鈥揗AX984

____________________________Typical Operating Characteristics (continued)

(V+ = 5V, V- = GND, T

A

= +25掳C, unless otherwise noted.)

RESPONSE TIME

AT LOW SUPPLY VOLTAGES (V

OHL

)

MAX971/4-TOC13

MAX924 RESPONSE TIME

AT LOW SUPPLY VOLTAGES

MAX971/4-TOC14

SHORT-CIRCUIT SINK CURRENT

vs. SUPPLY VOLTAGE

OUT CONNECTED TO V+

GND CONNECTED TO V-

20

SINK CURRENT (mA)

MAX971/4-TOC15

1000

R

PULL-UP

= 10k鈩?/div>

100

25

RESPONSE TIME (碌s)

100

CURRENT (mA)

10

15

10

-100mV

-20mV

10

1

5

SINK CURRENT AT V

OUT

= 0.4V

1

1.0

1.2

1.4

1.6

1.8

2.0

2.2

2.4

SINGLE-SUPPLY VOLTAGE (V)

0.1

1.0

1.5

2.0

2.5

SINGLE-SUPPLY VOLTAGE (V)

0

5

TOTAL SUPPLY VOLTAGE (V)

10

____________________________________________________________Pin Descriptions

MAX971

MAX981

1

鈥?/div>

2

3

鈥?/div>

4

鈥?/div>

5

6

7

8

鈥?/div>

MAX972

鈥?/div>

1

2

鈥?/div>

3

鈥?/div>

4

5

6

鈥?/div>

7

鈥?/div>

8

MAX982

鈥?/div>

1

2

鈥?/div>

3

鈥?/div>

4

5

6

7

鈥?/div>

8

MAX973

MAX983

鈥?/div>

1

2

鈥?/div>

3

鈥?/div>

4

鈥?/div>

5

6

7

鈥?/div>

8

NAME

FUNCTION

GND

OUTA

V-

IN+

INA+

IN-

INA-

INB-

INB+

HYST

REF

V+

OUT

OUTB

Ground. Connect to V- for single-supply operation. Output

transistor pulls to GND.

Comparator A Open-Drain Output. Sinks current to V-.

Negative Supply. Connect to ground for single-supply operation

(MAX9_1).

Noninverting Comparator Input

Noninverting Input of Comparator A

Inverting Comparator Input

Inverting Input of Comparator A

Inverting Input of Comparator B

Noninverting Input of Comparator B

Hysteresis Input. Connect to REF if not used. Input voltage range is

from V

REF

to V

REF

- 50mV.

Reference Output. 1.182V with respect to V-.

Positive Supply

Comparator Output. Sinks current to GND.

Comparator B Open-Drain Output. Sinks current to V-.

6

_______________________________________________________________________________________

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制造商
Maxim Integrated Products
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