+2.7V to +5.25V, Low-Power, 8-Channel,

Serial 10-Bit ADCs

6

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2.00

0.50

2.25

2.75

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

1.75

1.25

1.50

1.00

0.75

SUPPLY VOLTAGE (V)

3.75

5.25

3.25

4.25

4.75

CODE = 1010101000

MAX148

MAX149

0

2.25

2.75

SHUTDOWN SUPPLY CURRENT

vs. SUPPLY VOLTAGE

3.0

2.5

1.5

2.0

1.0

0.5

SUPPLY VOLTAGE (V)

3.75

5.25

3.25

4.25

4.75

FULL POWER-DOWN

2.5020

2.4990

2.25

2.75

MAX149

INTERNAL REFERENCE VOLTAGE

vs. SUPPLY VOLTAGE

2.5015

2.5005

2.5010

2.5000

2.4995

SUPPLY VOLTAGE (V)

3.75

5.25

3.25

4.25

4.75

0.8

0.9

1.0

1.1

1.2

1.3

-60

-20

20

60

100

140

SUPPLY CURRENT vs. TEMPERATURE

TEMPERATURE (°C)

MAX148

MAX149

CODE = 1010101000

0

0.4

0.8

1.2

1.6

2.0

-60

-20

20

60

100

140

SHUTDOWN CURRENT

vs. TEMPERATURE

TEMPERATURE (°C)

2.494

2.495

2.496

2.497

2.498

2.499

2.500

2.501

-60

-20

20

60

100

140

MAX149

INTERNAL REFERENCE VOLTAGE

vs. TEMPERATURE

TEMPERATURE (°C)

____________________________Typical Operating Characteristics (continued)