Ultra Low-Power, Low-Cost

Comparators with 2% Reference

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7

____________________________________________________________Pin Descriptions

PIN

5

MAX931

MAX932

MAX933

NAME

FUNCTION

–

4

–

INB+

Noninverting input of comparator B

5

5

HYST

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

6

6

6

REF

Reference output. 1.182V with respect to V-.

7

7

7

V+

Positive supply

8

–

–

OUT

Comparator output. Sinks and sources current. Swings from V+ to GND.

–

8

8

OUTB

Comparator B output. Sinks and sources current. Swings from V+ to V-.

MAX934

NAME

FUNCTION

1

OUTB

Comparator B output. Sinks and sources current. Swings from V+ to GND.

2

OUTA

Comparator A output. Sinks and sources current. Swings from V+ to GND.

3

V+

Positive supply

4

INA-

Inverting input of comparator A

5

INA+

Noninverting input of comparator A

6

INB-

Inverting input of comparator B

7

INB+

Noninverting input of comparator B

8

REF

Reference output. 1.182V with respect to V-.

9

V-

Negative supply. Connect to ground for single-supply operation.

10

INC-

Inverting input of comparator C

11

INC+

Noninverting input of comparator C

12

IND-

Inverting input of comparator D

13

IND+

Noninverting input of comparator D

14

GND

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

15

OUTD

Comparator D output. Sinks and sources current. Swings from V+ to GND.

16

OUTC

Comparator C output. Sinks and sources current. Swings from V+ to GND.

–

–

4

INB-

Inverting input of comparator B

1

–

–

GND

–

1

1

OUTA

Comparator A output. Sinks and sources current. Swings from V+ to V-.

2

2

2

V-

Negative supply. Connect to ground for single-supply operation (MAX931).

–

3

3

INA+

Noninverting input of comparator A

3

–

–

IN+

Noninverting comparator input

4

–

–

IN-

Inverting comparator input

Ground. Connect to V- for single-supply operation. Output swings from V+ to GND.

PIN