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MCP4922T-EMS Datasheet(PDF) 9 Page - Microchip Technology

Part No. MCP4922T-EMS
Description  12-Bit DAC with SPI™ Interface
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Maker  MICROCHIP [Microchip Technology]
Homepage  http://www.microchip.com
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 9 page
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 2004 Microchip Technology Inc.
DS21897A-page 9
MCP4921/4922
Note: Unless otherwise indicated, TA = +25°C, VDD = 5V , AVSS = 0V, VREF = 2.048V, Gain = 2, RL = 5 kΩ, CL = 100 pF.
FIGURE 2-6:
INL vs. Code and Ambient
Temperature.
FIGURE 2-7:
Absolute INL vs. Ambient
Temperature.
FIGURE 2-8:
Absolute INL vs. VREF.
FIGURE 2-9:
INL vs. Code and VREF.
FIGURE 2-10:
INL vs. Code.
-5
-4
-3
-2
-1
0
1
2
3
4
5
0
1024
2048
3072
4096
Code (Decimal)
125C
85
25
Ambient Temperature
0
0.5
1
1.5
2
2.5
-40
-20
0
20
40
60
80
100
120
Ambient Temperature (ºC)
0
0.5
1
1.5
2
2.5
3
12345
Voltage Reference (V)
Note:
Single device graph (Figure 2-10) for
illustration of 64 code effect.
-4
-3
-2
-1
0
1
2
3
0
1024
2048
3072
4096
Code (Decimal)
1
2
3
4
5.5
V
REF
-6
-4
-2
0
2
0
1024
2048
3072
4096
Code (Decimal)




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