mc68hc05p18a Freescale Semiconductor, Inc, mc68hc05p18a Datasheet - Page 120

• Manufacturer Part Number: mc68hc05p18a
• Description: Mc68hc05p18a Hcmos Microcontroller Unit
• Manufacturer: Freescale Semiconductor, Inc

Electrical Specifications
13.8 A/D Converter Characteristics
Technical Data
Resolution
Absolute accuracy
Conversion range
Input leakage
Conversion time
Monotonicity
Zero input reading
Full-scale reading
Sample time
Input capacitance
Analog input voltage
1.
2. t
V
V
AD0, AD1, AD2, AD3
V
(Includes sampling time)
External
Internal
V
AD
DD
REFH
REFH
DD
= t
= 5.0
V
CYC
REFH
Characteristic
if clock source equals MCU
10% Vdc
> 4.5
(2)
(1)
10%, V
Freescale Semiconductor, Inc.
For More Information On This Product,
SS
= 0 Vdc, T
Go to: www.freescale.com
Min
V
V
V
Electrical Specifications
FE
32
00
00
12
—
—
—
—
8
SS
SS
SS
A
= 40 C to +125 C, unless otherwise noted
V
V
+1 1/2
Max
V
REFH
REFH
FF
+1
+1
32
01
03
12
12
8
DD
Inherent (within total error)
(Note 2)
(Note 3)
Unit
LSB
Bits
Hex
Hex
t
t
pF
AD
AD
V
V
A
Including quantization
A/D accuracy may decrease
proportionately as V
reduced below 4.5 V.
V
V
In
In
= 0 V
= V
REFH
Comments
MC68HC05P18A
REFH
is