Single/Dual/Quad, Micropower,

Ultra-Low-Voltage, Rail-to-Rail I/O Comparators

6

_______________________________________________________________________________________

_____________________________________________________________Pin Descriptions

FUNCTION

PIN

MAX965

MAX966

—

1

Comparator A Open-Drain Output

1

2

Ground

2

—

No Connection. Not internally connected.

—

4

Comparator A Inverting Input

4

—

Comparator Inverting Input

—

3

Comparator A Noninverting Input

3

—

Comparator Noninverting Input

7

7

Positive Supply Voltage, +1.6V to +5.5V

6

—

Internal Reference Output. Typically 1.235V with respect to GND.

5

—

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

—

6

Comparator B Noninverting Input

—

5

Comparator B Inverting Input

MAX967

1

2

—

—

—

3

—

7

6

5

4

—

MAX968

1

2

—

—

—

3

—

7

6

5

—

4

NAME

OUTA

GND

N.C.

INA-

IN-

INA+

IN+

REF

HYST

INB+

INB-

8

—

—

—

OUT

Comparator Open-Drain Output

—

8

8

8

OUTB

Comparator B Open-Drain Output

MAX965–MAX968

50mV/div

1V/div

IN+

OUT

10kHz RESPONSE

MAX965/70-TOC18

20

µs/div

2V/div

2V/div

OUT

POWER-UP/DOWN RESPONSE

MAX965/70-TOC17

5

µs/div

_____________________________Typical Operating Characteristics (continued)