MAX1240BC 查看數據表（PDF） - Maxim Integrated

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MAX1240BC

+2.7V, Low-Power, 12-Bit Serial ADCs in 8-Pin SO

Maxim Integrated 

+2.7V, Low-Power,

12-Bit Serial ADCs in 8-Pin SO

DOUT

6k

DGND

a) High-Z to VOH and VOL to VOH

CLOAD = 50pF

Figure 1. Load Circuits for DOUT Enable Time

DOUT

6k

DGND

a) VOH to High-Z

Figure 2. Load Circuits for DOUT Disable Time

CLOAD = 50pF

+2.7V

6k

DOUT

CLOAD = 50pF

DGND

b) High-Z to VOL and VOH to VOL

+2.7V

DOUT

b) VOLto High-Z

6k

CLOAD = 50pF

DGND

__________________________________________Typical Operating Characteristics

(VDD = 3.0V, VREF = 2.5V, fSCLK = 2.1MHz, CL = 20pF, TA = +25°C, unless otherwise noted.)

OPERATING SUPPLY CURRENT

vs. SUPPLY VOLTAGE

2.0

1.8

RL = ∞

CODE = 101010100000

1.6

MAX1240

1.4

1.2

1.0

MAX1241

0.8

0.6

0.4

0.2

0

2

3

4

5

6

SUPPLY VOLTAGE (V)

SUPPLY CURRENT vs. TEMPERATURE

1.3

1.2

MAX1240

1.1

1.0

MAX1241

0.9

RLOAD = ∞

CODE = 10101010000

0.8

-60 -20 20

60

100 140

TEMPERATURE (°C)

OFFSET ERROR

vs. SUPPLY VOLTAGE

1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

0

2.25 2.75 3.25 3.75 4.25 4.75 5.25

SUPPLY VOLTAGE (V)

_______________________________________________________________________________________ 5

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