MCP3221 datasheet(5/26 Pages) MICROCHIP

5 / 26 page

 2003 Microchip Technology Inc.

DS21732B-page 5

MCP3221

2.0

TYPICAL PERFORMANCE CURVES

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 2-1:

INL vs. Clock Rate.

FIGURE 2-2:

INL vs. VDD - I2C™

Standard Mode (fSCL = 100 kHz).

FIGURE 2-3:

INL vs. Code

(Representative Part).

FIGURE 2-4:

INL vs. Clock Rate

(VDD =2.7V).

FIGURE 2-5:

INL vs. VDD - I2C™ Fast

Mode (fSCL = 400 kHz).

FIGURE 2-6:

INL vs. Code

(Representative Part, VDD = 2.7V).

Note:

The graphs and tables provided following this note are a statistical summary based on a limited number of

samples and are provided for informational purposes only. The performance characteristics listed herein

are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified

operating range (e.g., outside specified power supply range) and therefore outside the warranted range.

-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 INL

Negative INL

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

2.533.5

44.555.5

VDD (V)

Positive NL

Negative INL

-2

-1.5

-1

-0.5

0.5

1.5

1024

2048

3072

4096

Digital Code

-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 INL

Negative INL

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

2.533.5

44.555.5

VDD (V)

Positive INL

Negative NL

-2

-1.5

-1

-0.5

0.5

1.5

1024

2048

3072

4096

Digital Code

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