MCP3008T datasheet(7/40 Pages) MICROCHIP | 2.7V 4-Channel/8-Channel 10-Bit A/D Converters with SPI Serial Interface

Part No.	MCP3008T

Description	2.7V 4-Channel/8-Channel 10-Bit A/D Converters with SPI Serial Interface

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Manufacturer	MICROCHIP [Microchip Technology]

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7 / 40 page

DS21295D-page 7

MCP3004/3008

2.0

TYPICAL PERFORMANCE CHARACTERISTICS

Note:

Unless otherwise indicated, VDD = VREF = 5V, fCLK = 18* fSAMPLE, TA = +25°C.

FIGURE 2-1:

Integral Nonlinearity (INL)

vs. Sample Rate.

FIGURE 2-2:

Integral Nonlinearity (INL)

vs. VREF.

FIGURE 2-3:

Integral Nonlinearity (INL)

vs. Code (Representative Part).

FIGURE 2-4:

Integral Nonlinearity (INL)

vs. Sample Rate (VDD = 2.7V).

FIGURE 2-5:

Integral Nonlinearity (INL)

vs. VREF (VDD = 2.7V).

FIGURE 2-6:

Integral Nonlinearity (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

-0.8

-0.6

-0.4

-0.2

0.0

0.2

0.4

0.6

0.8

1.0

0

25

50

75

100

125

150

175

200

225

250

Sample Rate (ksps)

Positive INL

Negative INL

-1.0

-0.8

-0.6

-0.4

-0.2

0.0

0.2

0.4

0.6

0.8

1.0

0123456

V

REF (V)

Positive INL

Negative INL

-0.5

-0.4

-0.3

-0.2

-0.1

0.0

0.1

0.2

0.3

0.4

0.5

0

128

256

384

512

640

768

896

1024

Digital Code

VDD = VREF = 5 V

fSAMPLE = 200 ksps

-1.0

-0.8

-0.6

-0.4

-0.2

0.0

0.2

0.4

0.6

0.8

1.0

025

50

75

100

Sample Rate (ksps)

Positive INL

Negative INL

VDD = VREF = 2.7 V

-1.0

-0.8

-0.6

-0.4

-0.2

0.0

0.2

0.4

0.6

0.8

1.0

0.00.5

1.01.5

2.02.5

3.0

VREF (V)

Positive INL

Negative INL

VDD = VREF = 2.7 V

fSAMPLE = 75 ksps

-0.5

-0.4

-0.3

-0.2

-0.1

0.0

0.1

0.2

0.3

0.4

0.5

0

128

256

384

512

640

768

896

1024

Digital Code

VDD = VREF = 2.7 V

fSAMPLE = 75 ksps

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