AN1058 Freescale Semiconductor / Motorola, AN1058 Datasheet - Page 11

• Manufacturer Part Number: AN1058
• Description: Reducing A/D Errors in Microcontroller Applications
• Manufacturer: Freescale Semiconductor / Motorola

AN1058
MOTOROLA
inductance should be minimized between the leads of the capacitor and
the power pins.
Figure 3
ADC performance. Specific PCB designs involving MCU/ADCs should
be carefully engineered. A better PCB layout is depicted in
which connects the defects shown in
Freescale Semiconductor, Inc.
GND
+5 V
For More Information On This Product,
+5 V
GND
illustrates a few of the PCB-related errors that can degrade
Go to: www.freescale.com
Figure 4. Improved Layout Design
Figure 3. Poor Layout Design
SENSOR
Figure
3.
Appropriate Design Techniques
Application Note
M68HC11
Figure
SENSOR
4,
11