Multirange, +5V, 8-Channel,

Serial 12-Bit ADCs

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7

Typical Operating Characteristics

0

5

15

10

20

25

02

1

34567

SUPPLY CURRENT vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

5.5

5.7

6.1

5.9

6.3

6.5

-40

10

-15

35

60

85

SUPPLY CURRENT vs. TEMPERATURE

TEMPERATURE (°C)

50

150

450

350

250

650

550

750

-40

10

-15

35

60

85

STANDBY SUPPLY CURRENT

vs. TEMPERATURE

TEMPERATURE (°C)

INTERNAL

REFERENCE

EXTERNAL

REFERENCE

50

70

110

90

130

150

-40

10

-15

35

60

85

FULL POWER-DOWN SUPPLY CURRENT

vs. TEMPERATURE

TEMPERATURE (°C)

INTERNAL

REFERENCE

EXTERNAL

REFERENCE

0.1

0.2

0.6

0.5

0.4

0.3

0.7

0.8

-40

10

-15

35

60

85

CHANNEL-TO-CHANNEL GAIN-ERROR

MATCHING vs. TEMPERATURE

TEMPERATURE (°C)

BIPOLAR MODE

UNIPOLAR MODE

0.996

0.997

0.999

0.998

1.000

1.001

-40

10

-15

35

60

85

NORMALIZED REFERENCE VOLTAGE

vs. TEMPERATURE

TEMPERATURE (°C)

0

0.05

0.25

0.20

0.15

0.10

0.30

0.35

-40

10

-15

35

60

85

CHANNEL-TO-CHANNEL OFFSET-ERROR

MATCHING vs. TEMPERATURE

TEMPERATURE (°C)

BIPOLAR MODE

UNIPOLAR MODE

-0.15

-0.10

0.05

0

-0.05

0.10

0.15

0

1638

819

2457

3276

4095

INTEGRAL NONLINEARITY vs.

DIGITAL CODE

DIGITAL CODE

-120

-100

-40

-60

-80

-20

0

0

20k

10k

30k

40k

50k

FTT PLOT

FREQUENCY (Hz)