MCP3221 datasheet(7/26 Pages) MICROCHIP

номер детали	MCP3221

подробное описание детали	Low Power 12-Bit A/D Converter With I2C Interface

PDF	26 Pages

Scroll/Zoom	100%

производитель	MICROCHIP [Microchip Technology]

домашняя страница	http://www.microchip.com

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7 / 26 page

 2003 Microchip Technology Inc.

DS21732B-page 7

MCP3221

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 2-13:

DNL vs. Code

(Representative Part).

FIGURE 2-14:

DNL vs. Temperature.

FIGURE 2-15:

Gain Error vs. VDD.

FIGURE 2-16:

DNL vs. Code

(Representative Part, VDD = 2.7V).

FIGURE 2-17:

DNL vs. Temperature

(VDD =2.7V).

FIGURE 2-18:

Offset Error vs. VDD.

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

1024

2048

3072

4096

Digital Code

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

-50

-25

255075

100

125

Temperature (°C)

Negative DNL

Positive DNL

-1

-0.9

-0.8

-0.7

-0.6

-0.5

-0.4

-0.3

-0.2

-0.1

2.533.5

44.555.5

VDD (V)

Fast Mode

(fSCL=100 kHz)

Standard Mode

(fSCL=400 kHz)

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

1024

2048

3072

4096

Digital Code

-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 DNL

Negative DNL

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

2.533.5

4.555.5

VDD (V)

fSCL = 100 kHz & 400 kHz

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