Datasheet

MCP4921/4922
DS21897A-page 8  2004 Microchip Technology Inc.
2.0 TYPICAL PERFORMANCE CURVES
Note: Unless otherwise indicated, T
A
= +25°C, V
DD
= 5V , AV
SS
= 0V, V
REF
= 2.048V, Gain = 2, R
L
= 5 kΩ, C
L
= 100 pF.
FIGURE 2-1: DNL vs. Code.
FIGURE 2-2: DNL vs. Code and Ambient
Temperature.
FIGURE 2-3: DNL vs. Code and V
REF
.
Gain=1.
FIGURE 2-4: Absolute DNL vs. Ambient
Temperature.
FIGURE 2-5: Absolute DNL vs. Voltage
Reference.
Note: The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0 1024 2048 3072 4096
Code (Decimal)
DNL (LSB)
-0.2
-0.1
0
0.1
0.2
0 1024 2048 3072 4096
Code (Decimal)
DNL (LSB)
125C 85C 25C
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0 1024 2048 3072 4096
Code (Decimal)
DNL (LSB)
1 2 3 4 5.5
0.075
0.0752
0.0754
0.0756
0.0758
0.076
0.0762
0.0764
0.0766
-40 -20 0 20 40 60 80 100 120
Ambient Temperature (ºC)
Absolute DNL (LSB)
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
12345
Voltage Reference (V)
Absolute DNL (LSB)