MC68HC908JK3EMP MOTOROLA [Motorola, Inc], MC68HC908JK3EMP Datasheet - Page 208
MC68HC908JK3EMP
Manufacturer Part Number
MC68HC908JK3EMP
Description
Microcontrollers
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC908JK3EMP.pdf
(226 pages)
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Electrical Specifications
18.13 ADC Characteristics
Technical Data
208
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 kΩ 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)
Symbol
V
V
t
Table 18-10. ADC Characteristics
f
ADPU
t
Z
C
R
t
F
B
A
DDAD
ADIC
ADC
ADS
ADIN
—
ADI
ADI
ADI
AD
AD
AD
Electrical Specifications
(V
DD
± 0.5
Min
V
V
2.7
0.5
FE
16
14
00
—
—
8
5
SS
SS
min)
(V
DD
(20) 8
1.048
± 1.5
Max
V
V
5.5
± 1
FF
15
01
—
DD
8
DD
max)
MC68H(R)C908JL3E/JK3E/JK1E
t
t
t
AIC
AIC
AIC
MHz
Unit
LSB
Hex
Hex
Bits
µ A
pF
cycles
cycles
cycles
V
V
V
Includes quantization
t
AIC
only at 1 MHz
= 1/f
Comments
Not tested
V
V
IN
IN
ADIC
= V
= V
MOTOROLA
—
DD
SS
, tested
Rev. 2.0
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