AN2688 Freescale Semiconductor / Motorola, AN2688 Datasheet - Page 11

• Manufacturer Part Number: AN2688
• Description: Implementing a 10-Bit Sigma-Delta Analog-to-Digital Converter Using the HC9S08Rx MCU Family Analog Comparator
• Manufacturer: Freescale Semiconductor / Motorola

Freescale Semiconductor, Inc.
AN2688/D
Application Description
Figure 10. Measured Baseband Output Spectrum with –8 dB Sinusoidal Input Power
70
60
50
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30
20
10
0
-70
-60
-50
-40
-30
-20
-10
0
Input power [dB]
Figure 11. Measured Σ∆ Modulator SNR for a 50-kHz Sampling Frequency
and 125-Hz Input Signal Frequency
MOTOROLA
Implementing a 10-Bit Sigma-Delta Analog-to-Digital Converter
11
Using the HC9S08Rx MCU Family Analog Comparator
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