MC68HC908LJ12CPB FREESCALE [Freescale Semiconductor, Inc], MC68HC908LJ12CPB Datasheet - Page 399

• Manufacturer Part Number: MC68HC908LJ12CPB
• Description: 8-bit microcontroller units
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Electrical Specifications
23.13 3.3V ADC Electrical Characteristics
Technical Data
400
Supply voltage
Input range
Resolution
Absolute accuracy
ADC internal clock
Conversion range
ADC voltage
ADC voltage
Conversion time
Sample time
Monotonically
Zero input reading
Full-scale reading
Input capacitance
Input impedance
V
REFH
reference high
reference low
Characteristic
/V
REFL
Table 23-11. ADC 3.3V Electrical Characteristics
Symbol
V
V
V
I
V
f
C
R
t
t
M
Z
B
A
R
F
VREF
ADIC
REFH
REFL
ADC
ADIN
ADS
DDA
ADI
ADI
ADI
ADI
AD
AD
AD
AD
V
SSA
V
20M
32 k
3FC
Min
000
3.0
REFL
10
16
—
—
—
—
0
5
– 0.1
Electrical Specifications
Guaranteed
V
DDA
V
V
± 1.5
Max
3FF
2 M
001
REFH
3.6
1.6
10
17
20
DDA
—
—
—
+ 0.1
cycles
cycles
t
t
HEX
HEX
Unit
LSB
ADIC
ADIC
bits
mA
Hz
pF
Ω
V
V
V
V
V
V
V
Includes quantization.
±0.5 LSB = ±1 ADC count.
t
V
V
V
Not tested.
Measured at 5V
Not tested.
ADIC
ADIN
ADIN
ADIN
DDA
SSA
should be tied to V
PCB with proper decoupling.
MC68HC908LJ12
= 1/f
is an dedicated pin and
is tied to V
≤ V
= V
= V
Freescale Semiconductor
DDA
REFL
REFH
ADIC
Notes
SS
internally.
DD
on the
—
Rev. 2.1