MCP4821 datasheet(9/36 Pages) MICROCHIP

Numer części	MCP4821

Szczegółowy opis	12-Bit DACs with Internal VREF and SPI??Interface

PDF	36 Pages

Scroll/Zoom	100%

Producent	MICROCHIP [Microchip Technology]

Strona internetowa	http://www.microchip.com

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9 / 36 page

DS21953A-page 9

MCP4821/MCP4822

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

FIGURE 2-7:

Full-Scale VOUTA w/G = 1

(VREF) vs. Ambient Temperature and VDD.

FIGURE 2-8:

Full-Scale VOUTA w/G = 2

(2VREF) vs.Ambient Temperature and VDD.

FIGURE 2-9:

Output Noise Voltage

Density (VREF Noise Density w/G = 1) vs.

Frequency.

FIGURE 2-10:

Output Noise Voltage (VREF

Noise Voltage w/G = 1) vs. Bandwidth.

2.040

2.041

2.042

2.043

2.044

2.045

2.046

2.047

2.048

2.049

2.050

-40

-20

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

100

120

Ambient Temperature (°C)

VDD: 5.5V

VDD: 5V

1.E-07

1.E-06

1.E-05

1.E-04

1E-1

1E+0

1E+1

1E+2

1E+3

1E+4

1E+5

Frequency (Hz)

0.1

100

10k

100k

100

0.1

1.E-05

1.E-04

1.E-03

1.E-02

1E+2

1E+3

1E+4

1E+5

1E+6

Bandwidth (Hz)

100

10k

100k

Eni (in VRMS)

10.0

1.00

0.10

0.01

Eni (in VP-P)

Maximum Measurement Time = 10s

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