MCP3021 datasheet(6/26 Pages) MICROCHIP

6 / 26 page

MCP3021

DS21805A-page 6

 2003 Microchip Technology Inc.

Note: Unless otherwise indicated, VDD = 5V, VSS = 0V, I2C Fast Mode Timing (SCL = 400 kHz), Continuous Conversion

Mode (fSAMP = 22.3 ksps), TA = +25°C.

FIGURE 2-7:

INL vs. Temperature.

FIGURE 2-8:

DNL vs. Clock Rate.

FIGURE 2-9:

DNL vs. VDD - I2C Standard

Mode (fSCL = 100 kHz).

FIGURE 2-10:

INL vs. Temperature

(VDD =2.7V).

FIGURE 2-11:

DNL vs. Clock Rate

(VDD =2.7V).

FIGURE 2-12:

DNL vs. VDD - I2C Fast

Mode (fSCL = 400 kHz).

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

-50

-25

255075

100

125

Temperature (°C)

Positive INL

Negative INL

0.25

0.20

0.15

0.10

0.005

-0.005

-0.10

-0.15

-0.20

-0.25

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

100

200

300

400

2C Bus Rate (kHz)

Positive DNL

Negative DNL

0.25

0.20

0.15

0.10

0.005

-0.005

-0.10

-0.15

-0.20

-0.25

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

2.533.544.555.5

VDD (V)

Positive DNL

Negative DNL

0.25

0.20

0.15

0.10

0.005

-0.005

-0.10

-0.15

-0.20

-0.25

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

-50

-25

100

125

Temperature (°C)

Negative INL

Positive INL

0.25

0.20

0.15

0.10

0.005

-0.005

-0.10

-0.15

-0.20

-0.25

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

100

200

300

400

2C Bus Rate (kHz)

Negative DNL

Positive DNL

0.25

0.20

0.15

0.10

0.005

-0.005

-0.10

-0.15

-0.20

-0.25

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

2.533.544.555.5

VDD (V)

Positive DNL

Negative DNL

0.25

0.20

0.15

0.10

0.005

-0.005

-0.10

-0.15

-0.20

-0.25

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