MC68HC908JK3 MOTOROLA [Motorola, Inc], MC68HC908JK3 Datasheet - Page 201
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MC68HC908JK3
Manufacturer Part Number
MC68HC908JK3
Description
MC68HC908JK1
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC908JK3.pdf
(210 pages)
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18.13 ADC Characteristics
MC68H(R)C908JL3
MOTOROLA
NOTES:
Supply voltage
Input voltages
Resolution
Absolute accuracy
ADC internal clock
Conversion range
Power-up time
Conversion time
Sample time
Zero input reading
Full-scale reading
Input capacitance
Input leakage
1. Source impedances greater than 10 k adversely affect internal RC charging time during input sampling.
2. Zero-input/full-scale reading requires sufficient decoupling measures for accurate conversions.
3. The external system error caused by input leakage current is approximately equal to the product of R source and input
Port B/port D
current.
Characteristic
(1)
(3)
(3)
(2)
—
Rev. 1.0
Symbol
V
V
Table 18-10. ADC Characteristics
t
f
C
ADPU
t
Z
R
t
F
B
A
ADIC
DDAD
ADC
ADIN
ADS
—
ADI
ADI
ADI
AD
AD
AD
Electrical Specifications
(V
DD
Min
V
V
2.7
0.5
FE
16
16
00
—
—
8
0.5
5
SS
SS
min)
(V
DD
(20) 8
1.048
Max
V
V
5.5
FF
17
01
—
8
1.5
DD
DD
max)
1
t
t
t
AIC
AIC
AIC
MHz
Unit
LSB
Hex
Hex
Bits
pF
cycles
cycles
cycles
V
V
V
A
Electrical Specifications
Includes quantization
t
AIC
ADC Characteristics
only at 1 MHz
= 1/f
Comments
Not tested
V
V
IN
IN
Technical Data
ADIC
= V
= V
DD
SS
, tested
201