Data Sheet
Table Of Contents
- 1.0 Electrical Characteristics
- 2.0 Typical Performance Curves
- Figure 2-1: DNL vs. Code.
- Figure 2-2: DNL vs. Code and Ambient Temperature.
- Figure 2-3: Absolute DNL vs. Ambient Temperature.
- Figure 2-4: INL vs. Code and Ambient Temperature.
- Figure 2-5: Absolute INL vs. Ambient Temperature.
- Figure 2-6: INL vs. Code.
- Figure 2-7: Full-Scale VOUTA w/G = 1 (VREF) vs. Ambient Temperature and VDD.
- Figure 2-8: Full-Scale VOUTA w/G = 2 (2VREF) vs.Ambient Temperature and VDD.
- Figure 2-9: Output Noise Voltage Density (VREF Noise Density w/G = 1) vs. Frequency.
- Figure 2-10: Output Noise Voltage (VREF Noise Voltage w/G = 1) vs. Bandwidth.
- Figure 2-11: MCP4821 IDD vs. Ambient Temperature and VDD.
- Figure 2-12: MCP4821 IDD Histogram (VDD = 2.7V).
- Figure 2-13: MCP4821 IDD Histogram (VDD = 5.0V).
- Figure 2-14: MCP4822 IDD vs. Ambient Temperature and VDD.
- Figure 2-15: MCP4822 IDD Histogram (VDD = 2.7V).
- Figure 2-16: MCP4822 IDD Histogram (VDD = 5.0V).
- Figure 2-17: Hardware Shutdown Current vs. Ambient Temperature and VDD.
- Figure 2-18: Software Shutdown Current vs. Ambient Temperature and VDD.
- Figure 2-19: Offset Error vs. Ambient Temperature and VDD.
- Figure 2-20: Gain Error vs. Ambient Temperature and VDD.
- Figure 2-21: VIN High Threshold vs. Ambient Temperature and VDD.
- Figure 2-22: VIN Low Threshold vs. Ambient Temperature and VDD.
- Figure 2-23: Input Hysteresis vs. Ambient Temperature and VDD.
- Figure 2-24: VOUT High Limit vs. Ambient Temperature and VDD.
- Figure 2-25: VOUT Low Limit vs. Ambient Temperature and VDD.
- Figure 2-26: IOUT High Short vs. Ambient Temperature and VDD.
- Figure 2-27: IOUT vs. VOUT. Gain = 2.
- Figure 2-28: VOUT Rise Time 100%.
- Figure 2-29: VOUT Fall Time.
- Figure 2-30: VOUT Rise Time 50%.
- Figure 2-31: VOUT Rise Time 25% - 75%.
- Figure 2-32: VOUT Rise Time Exit Shutdown.
- Figure 2-33: PSRR vs. Frequency.
- 3.0 Pin descriptions
- 4.0 General Overview
- 5.0 Serial Interface
- 6.0 Typical Applications
- 6.1 Digital Interface
- 6.2 Power Supply Considerations
- 6.3 Output Noise Considerations
- 6.4 Layout Considerations
- 6.5 Single-Supply Operation
- 6.6 Bipolar Operation
- 6.7 Selectable Gain and Offset Bipolar Voltage Output Using A Dual DAC
- 6.8 Designing A Double-Precision DAC Using A Dual DAC
- 6.9 Building A Programmable Current Source
- 7.0 Development support
- 8.0 Packaging Information
MCP4821/MCP4822
DS21953A-page 8 © 2005 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: Absolute DNL vs. Ambient
Temperature.
FIGURE 2-4: INL vs. Code and Ambient
Temperature.
FIGURE 2-5: Absolute INL vs. Ambient
Temperature.
FIGURE 2-6: INL vs. Code.
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
0.075
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)
Note: Single device graph for illustration of 64
code effect.
-5
-4
-3
-2
-1
0
1
2
3
4
5
0 1024 2048 3072 4096
Code (Decimal)
INL (LSB)
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)
Absolute INL (LSB)
-6
-4
-2
0
2
0 1024 2048 3072 4096
Code (Decimal)
INL (LSB)