MAX149ACAP 데이터 시트보기 (PDF) - Maxim Integrated

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MAX149ACAP

+2.7V to +5.25V, Low-Power, 8-Channel, Serial 10-Bit ADCs

Maxim Integrated 

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

Serial 10-Bit ADCs

Typical Operating Characteristics

(VDD = 3.0V, VREF = 2.500V, fSCLK = 2.0MHz, CLOAD = 20pF, TA = +25NC, unless otherwise noted.)

INTEGRAL NONLINEARITY

vs. CODE

0.10

0.05

0

-0.05

-0.10

0

256

512

768

1024

CODE

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

2.00

RL = J

CODE = 1010101000

1.75

CLOAD = 50pF

1.50 MAX149

1.25

1.00

CLOAD = 20pF

0.75

MAX148

0.50

2.25 2.75 3.25 3.75 4.25 4.75 5.25

SUPPLY VOLTAGE (V)

SUPPLY CURRENT vs. TEMPERATURE

1.3

1.2

MAX149

1.1

1.0

MAX148

0.9

RL0AD = J

CODE = 1010101000

0.8

-60 -20

20

60

100 140

TEMPERATURE (NC)

INTEGRAL NONLINEARITY

vs. SUPPLY VOLTAGE

0.125

0.100

0.075

MAX149

INTEGRAL NONLINEARITY

vs. TEMPERATURE

0.125

VDD = 2.7V

0.100

0.075

MAX149

0.050

0.025

MAX148

0.050

0.025

MAX148

0

2.25 2.75 3.25 3.75 4.25 4.75 5.25

SUPPLY VOLTAGE (V)

SHUTDOWN SUPPLY CURRENT

vs. SUPPLY VOLTAGE

3.0

FULL POWER-DOWN

2.5

2.0

1.5

1.0

0.5

0

2.25 2.75 3.25 3.75 4.25 4.75 5.25

SUPPLY VOLTAGE (V)

SHUTDOWN CURRENT

vs. TEMPERATURE

2.0

1.6

1.2

0.8

0.4

0

-60 -20

20

60 100 140

TEMPERATURE (NC)

0

-60 -20 20

60 100 140

TEMPERATURE (NC)

2.5020

MAX149 INTERNAL REFERENCE

VOLTAGE vs. SUPPLY VOLTAGE

2.5015

2.5010

2.5005

2.5000

2.4995

2.4990

2.25 2.75 3.25 3.75 4.25 4.75 5.25

SUPPLY VOLTAGE (V)

MAX149 INTERNAL REFERENCE

VOLTAGE vs. TEMPERATURE

2.501

VDD = 5.25V

2.500

VDD = 3.6V

2.499

2.498

VDD = 2.7V

2.497

2.496

2.495

2.494

-60 -20 20

60 100 140

TEMPERATURE (NC)

6  

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