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| MCP4802 Datasheet, PDF (13/46 Pages) Microchip Technology – 8/10/12-Bit Dual Voltage Output Digital-to-Analog Converter with Internal VREF and SPI Interface | |||
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MCP4802/4812/4822
Note: Unless otherwise indicated, TA = +25°C, VDD = 5V, VSS = 0V, VREF = 2.048V, Gain = 2x, RL = 5 kï, CL = 100 pF.
2.5
2.25
2
1.75
1.5
1.25
1
0.75
0.5
0.25
0
-40
VDD
5.5V
5.0V
4.0V
3.0V
2.7V
-20 0 20 40 60 80 100 120
Ambient Temperature (ºC)
FIGURE 2-23:
Input Hysteresis vs.
Temperature and VDD.
16
5.5V
5.0V
15
4.0V
3.0V
14
2.7V
VDD
13
12
11
10
-40 -20 0 20 40 60 80 100 120
Ambient Temperature (ºC)
FIGURE 2-26:
IOUT High Short vs.
Temperature and VDD.
0.035
0.033
0.031
0.029
0.027
0.025
0.023
0.021
0.019
0.017
0.015
-40
4.0V
3.0V
2.7V
VDD
-20 0 20 40 60 80 100 120
Ambient Temperature (ºC)
FIGURE 2-24:
VOUT High Limit
vs.Temperature and VDD.
6.0
5.0
VREF = 4.096V
4.0
Output Shorted to VDD
3.0
2.0
1.0
Output Shorted to VSS
0.0
0 2 4 6 8 10 12 14 16
IOUT (mA)
FIGURE 2-27:
IOUT vs. VOUT. Gain = 2x.
0.0028
VDD
0.0026
0.0024
5.5V
0.0022
5.0V
0.0020
0.0018
0.0016
4.0V
3.0V
2.7V
0.0014
0.0012
0.0010
-40 -20 0 20 40 60 80 100 120
Ambient Temperature (ºC)
FIGURE 2-25:
VOUT Low Limit vs.
Temperature and VDD.
ï£ 2010 Microchip Technology Inc.
DS22249A-page 13
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