MCP4921 datasheet(12/40 Pages) MICROCHIP

12 / 40 page

MCP4921/4922

DS21897A-page 12

 2004 Microchip Technology Inc.

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

FIGURE 2-23:

Input Hysteresis vs. Ambient

Temperature and VDD.

FIGURE 2-24:

VREF Input Impedance vs.

Ambient Temperature and VDD.

FIGURE 2-25:

VOUT High Limit vs. Ambient

Temperature and VDD.

FIGURE 2-26:

VOUT Low Limit vs. Ambient

Temperature and VDD.

FIGURE 2-27:

IOUT High Short vs.

Ambient Temperature and VDD.

FIGURE 2-28:

IOUT vs VOUT. Gain = 1.

0.25

0.5

0.75

1.25

1.5

1.75

2.25

2.5

-40

-20

100 120

Ambient Temperature (ºC)

VDD

5.5V

4.0V

5.0V

3.0V

2.7V

155

160

165

170

175

-40

-20

100 120

Ambient Temperature (ºC)

VDD

5.5V -

2.7V

0.005

0.01

0.015

0.02

0.025

0.03

0.035

0.04

0.045

-40

-20

100 120

Ambient Temperature (ºC)

VDD

5.5V

4.0V

5.0V

3.0V

2.7V

0.0015

0.002

0.0025

0.003

0.0035

0.004

0.0045

-40 -20

80 100 120

Ambient Temperature (ºC)

VDD

5.5V

4.0V

5.0V

3.0V

2.7V

-40

-20

100 120

Ambient Temperature (ºC)

VDD

5.5V

4.0V

5.0V

3.0V

2.7V

0.0

1.0

2.0

3.0

4.0

5.0

6.0

02468

IOUT (mA)

VREF=4.0

Output Shorted to VSS

Output Shorted to VDD

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