
ELECTRICAL CHARACTERISTICS
M68HC16 Z SERIES
A-68
USER’S MANUAL
Figure A-34 Low Voltage 8-Bit ADC Conversion Accuracy
ADC 8-BIT ACCURACY LV
0
204060
INPUT IN mV, VRH – VRL = 3.072 V
+18
mV
8-BIT
ABSOLUTE
ERROR
BOUNDARY
B
8-BIT TRANSFER CURVE (NO CIRCUIT ERROR)
DIGITAL
OUTPUT
A
B
C
– CIRCUIT-CONTRIBUTED +12 mV ERROR
– +18 mV ABSOLUTE ERROR (1.5 8-BIT COUNTS)
IDEAL TRANSFER CURVE
– +1/2 COUNT (6 mV) INHERENT QUANTIZATION ERROR
A
C
-18
mV
8-BIT
ABSOLUTE
ERROR
BOUNDARY
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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