Typical operating characteristics (continued) – Rainbow Electronics MAX1139 User Manual

Page 7

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MAX1136–MAX1139

2.7V to 3.6V and 4.5V to 5.5V, Low-Power,

4-/12-Channel, 2-Wire Serial 10-Bit ADCs

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7

Typical Operating Characteristics (continued)

(V

DD

= 3.3V (MAX1137/MAX1139), V

DD

= 5V (MAX1136/MAX1138), f

SCL

= 1.7MHz, external clock, f

SAMPLE

= 94.4ksps, single-

ended, unipolar, T

A

= +25°C, unless otherwise noted.)

-1.0

-0.8

-0.9

-0.6

-0.7

-0.4

-0.5

-0.3

-0.1

-0.2

0

-40

-10

5

-25

20

35

50

65

80

OFFSET ERROR vs. TEMPERATURE

MAX1136 toc10

TEMPERATURE (

°C)

OFFSET ERROR (LSB)

-1.0

-0.8

-0.9

-0.6

-0.7

-0.4

-0.5

-0.3

-0.1

-0.2

0

2.7

3.3 3.6 3.9

3.0

4.2 4.5 4.8 5.1 5.4

OFFSET ERROR vs. SUPPLY VOLTAGE

MAX1136 toc11

V

DD

(V)

OFFSET ERROR (LSB)

0

0.2

0.1

0.4

0.3

0.6

0.5

0.7

0.9

0.8

1.0

-40

-10

5

-25

20

35

50

65

80

GAIN ERROR vs. TEMPERATURE

MAX1136 toc12

TEMPERATURE (

°C)

GAIN ERROR (LSB)

0

0.3

0.2

0.1

0.4

0.5

0.6

0.7

0.8

0.9

1.0

2.7

3.7

3.2

4.2

4.7

5.2

GAIN ERROR vs. SUPPLY VOLTAGE

MAX1136 toc13

V

DD

(V)

GAIN ERROR (LSB)

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