Ultra Low-Power,

Single/Dual-Supply Comparators

4

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Typical Operating Characteristics

0.0

020

OUTPUT VOLTAGE LOW

vs. LOAD CURRENT

0.5

2.5

LOAD CURRENT (mA)

12

1.5

1.0

48

16

2.0

V+ = 5V

V+ = 3V

1.5

010

30

50

OUTPUT VOLTAGE HIGH vs.

LOAD CURRENT

2.5

4.5

LOAD CURRENT (mA)

20

40

3.5

5.0

2.0

4.0

3.0

V+ = 5V

V+ = 3V

1.155

0

5

15

25

REFERENCE OUTPUT VOLTAGE vs.

OUTPUT LOAD CURRENT

1.165

1.185

OUTPUT LOAD CURRENT (

μA)

10

20

1.175

1.190

1.160

1.180

1.170

V+ = 5V

OR

V+ = 3V

30

SINK

SOURCE

ELECTRICAL CHARACTERISTICS: 3V OPERATION (continued)

PARAMETER

Voltage Noise

MIN

TYP

MAX

UNITS

100Hz to 100kHz

100

Input Common-Mode Voltage Range

V

V-

V+ – 1.3

MAX922/

MAX923

CONDITIONS

Common-Mode Rejection Ratio

0.2

1

mV/V

Power-Supply Rejection Ratio

V- to (V+ – 1.3V)

V+ = 2.5V to 11V

100Hz to 100kHz

0.1

1

mV/V

Voltage Noise

MAX921, MAX923

Overdrive = 10mV

Overdrive = 100mV

20

Hysteresis Input Voltage Range

REF- 0.05V

REF

V

14

µs

Response Time

5

C temp. range

V

Output High Voltage

E temp. range

MAX92_

M temp. range

V+ – 0.4

V- + 0.4

V

15

25

µA

C/E temp. ranges

6

Source Current

M temp. range

4

GND + 0.4

Output Low Voltage

815

MAX921/

MAX924

µA

C/E temp. ranges

4

Sink Current

1.170

1.182

1.194

V

M temp. range

1.158

1.206

Reference Voltage

2

1.147

1.217

REFERENCE