M68HC16 Z SERIES
ELECTRICAL CHARACTERISTICS
USER’S MANUAL
A-65
Table A-36 ADC AC Characteristics (Operating)
(V
DD
and V
DDA
= 5.0 Vdc
±
5% for 20/25 MHz,
±
10% for 16 MHz, V
SS
= 0 Vdc,
T
A
within operating temperature range)
Num
Parameter
Symbol
Min
Max
Unit
1
ADC Clock Frequency
f
ADCLK
0.5
2.1
MHz
2
8-Bit Conversion Time
1
f
ADCLK
=
1.0 MHz
f
ADCLK
=
2.1 MHz
NOTES:
1. Conversion accuracy varies with f
ADCLK
rate. Reduced conversion accuracy occurs at maximum.
t
CONV
15.2
7.6
—
µ
s
3
10-Bit Conversion Time
1
f
ADCLK
=
1.0 MHz
f
ADCLK
=
2.1 MHz
t
CONV
17.1
8.6
—
µ
s
4
Stop Recovery Time
t
SR
—
10
µ
s
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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