mc68hc908sr12 Freescale Semiconductor, Inc, mc68hc908sr12 Datasheet - Page 380

• Manufacturer Part Number: mc68hc908sr12
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Electrical Specifications
24.12 5.0V ADC Electrical Characteristics
Data Sheet
380
Supply voltage
Input range
Resolution
Absolute accuracy
ADC internal clock
Conversion range
ADC voltage
reference high
ADC voltage
reference low
Conversion time
Sample time
Monotonicity
Zero input reading
Full-scale reading
Input capacitance
Input impedance
V
REFH
Characteristic
/V
REFL
Symbol
V
Table 24-10. 5V ADC Electrical Characteristics
V
V
I
V
f
C
R
t
t
M
Z
F
VREF
B
A
R
ADIC
REFH
REFL
ADC
ADS
ADIN
DDA
ADI
ADI
ADI
ADI
AD
AD
AD
AD
V
SSA
V
500k
20M
3FD
Min
000
4.5
REFL
10
16
—
—
—
—
0
5
– 0.1
Electrical Specifications
Guaranteed
V
DDA
V
V
± 1.5
Max
001
3FF
2M
REFH
5.5
1.6
10
17
20
DDA
—
—
—
+ 0.1
MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
cycles
cycles
t
t
HEX
HEX
Unit
LSB
ADIC
ADIC
bits
mA
Hz
pF
Ω
V
V
V
V
V
V
should be tied to V
PCB with proper decoupling.
V
Includes quantization.
±0.5 LSB = ±1 ADC step.
t
V
V
Not tested.
Not tested.
ADIC
ADIN
ADIN
ADIN
DDA
= 1/f
is an dedicated pin and
≤ V
= V
= V
Freescale Semiconductor
DDA
REFL
REFH
ADIC
Notes
DD
on the