MCP4921 datasheet(10/50 Pages) MICROCHIP

Part #	MCP4921

Description	SPI Interface with 20 MHz Clock Support

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Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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10 / 50 page

MCP4802/4812/4822

DS20002249B-page 10

 2010-2015 Microchip Technology Inc.

Note: Unless otherwise indicated, TA = +25°C, VDD = 5V, VSS = 0V, VREF = 2.048V, Gain = 2x, RL = 5 k, CL = 100 pF.

FIGURE 2-7:

DNL vs. Code and

Temperature (MCP4812).

FIGURE 2-8:

INL vs. Code and

Temperature (MCP4812).

FIGURE 2-9:

DNL vs. Code and

Temperature (MCP4802).

FIGURE 2-10:

INL vs. Code and

Temperature (MCP4802).

FIGURE 2-11:

Full-Scale VOUTA vs.

Ambient Temperature and VDD. Gain = 1x.

FIGURE 2-12:

Full-Scale VOUTA vs.

Ambient Temperature and VDD. Gain = 2x.

-0.3

-0.2

-0.1

0

0.1

0.2

0.3

0

128

256

384

512

640

768

896 1024

Code

- 40

oC

+25

oC to +125oC

-3

-2.5

-2

-1.5

-1

-0.5

0

0.5

1

1.5

0

128

256

384

512

640

768

896 1024

Code

25

oC

85

oC

125

oC

- 40

oC

-0.15

-0.1

-0.05

0

0.05

0.1

0.15

0

32

64

96

128 160 192 224 256

Code

34

Temperature: - 40

oC to +125oC

-0.3

-0.2

-0.1

0

0.1

0.2

0.3

0.4

0.5

0.6

0

326496

128

160

192

224

256

Code

- 40

oC

25

oC

85

oC

125

oC

2.040

2.041

2.042

2.043

2.044

2.045

2.046

2.047

2.048

2.049

2.050

-40

-20

0

20

40

60

80

100 120

Ambient Temperature (°C)

VDD: 4V

VDD: 3V

VDD: 2.7V

4.076

4.080

4.084

4.088

4.092

4.096

4.100

-40

-20

0

20

40

60

80

100

120

Ambient Temperature (°C)

VDD: 5.5V

VDD: 5V

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