MCP4821 datasheet(10/48 Pages) MICROCHIP

Part #	MCP4821

Description	8/10/12-Bit Voltage Output Digital-to-Analog Converter with Internal VREF and SPI Interface

PDF	48 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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10 / 48 page

MCP4801/4811/4821

DS22244B-page 10

 2010 Microchip Technology Inc.

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

FIGURE 2-13:

Output Noise Voltage

Density (VREF Noise Density) vs. Frequency.

Gain = 1x.

FIGURE 2-14:

Output Noise Voltage

(VREF Noise Voltage) vs. Bandwidth. Gain = 2x.

FIGURE 2-15:

IDD vs. Temperature and VDD.

FIGURE 2-16:

IDD Histogram (VDD = 2.7V).

FIGURE 2-17:

IDD Histogram (VDD = 5.0V).

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

ni (in VRMS)

10.0

1.00

0.10

0.01

ni (in VP-P)

Maximum Measurement Time = 10s

180

200

220

240

260

280

300

320

340

-40

-20

20406080

100

120

Ambient Temperature (°C)

VDD

5.5V

4.0V

5.0V

3.0V

2.7V

IDD (µA)

MCP4821 Datasheet(PDF) 10 Page - Microchip Technology

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