Ultra Low-Power,

Single/Dual-Supply Comparators

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7

PIN

–

–

6

–

MAX921

MAX922

MAX923

NAME

FUNCTION

–

5

4

INB-

Inverting input of comparator B

INB+

5

5

HYST

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

6

–

6

REF

Reference output. 1.182V with respect to V-.

Noninverting input of comparator B

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-.

_______________________________________________Pin Descriptions (continued)

PIN

MAX924

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.