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Typical operating characteristics (continued) – Rainbow Electronics MAX159 User Manual

Page 6

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MAX157/MAX159

+2.7V, Low-Power, 2-Channel,
108ksps, Serial 10-Bit ADCs in 8-Pin µMAX

6

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Typical Operating Characteristics (continued)

(V

DD

= +3.0V, V

REF

= 2.5V, 0.1µF capacitor at REF, f

SCLK

= 2.17MHz, 16 clocks/conversion cycle (108ksps); CH- = GND for

MAX159; T

A

= +25°C, unless otherwise noted.)

-0.2

0.1

-0.1

0

0.2

2.5

3.0

3.5

4.0

5.0

4.5

5.5

GAIN ERROR

vs. SUPPLY VOLTAGE

MAX157/159 toc08

V

DD

(V)

GAIN ERROR (LSB)

-0.2

0.1

0

-0.1

0.2

-60

15

-35

-10

40

65

90

115 140

GAIN ERROR

vs. TEMPERATURE

MAX157/159 toc09

TEMPERATURE (°C)

GAIN ERROR (LSB)

0

0.15

0.10

0.05

0.20

-60

40

-35

-10

15

90

115

65

140

INTEGRAL NONLINEARITY

vs. TEMPERATURE

MAX157/159 toc12

TEMPERATURE (°C)

INL (LSB)

-0.03

-0.02

0

-0.01

0.02

0.01

0.03

0

500

250

750

1000

INTEGRAL NONLINEARITY

vs. OUTPUT CODE

MAX157/8 toc10

OUTPUT CODE

INL (LSB)

0

0.15

0.10

0.05

0.20

2.5

4.0

3.0

3.5

4.5

5.0

5.5

INTEGRAL NONLINEARITY

vs. SUPPLY VOLTAGE

MAX157/159 toc11

V

DD

(V)

INL (LSB)