MC68HC708AS48 FREESCALE [Freescale Semiconductor, Inc], MC68HC708AS48 Datasheet - Page 382
MC68HC708AS48
Manufacturer Part Number
MC68HC708AS48
Description
Advance Information
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC68HC708AS48.pdf
(396 pages)
- Current page: 382 of 396
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Electrical Specifications
21.7 ADC Characteristics
Advance Information
382
Resolution
Absolute accuracy
Conversion range
Powerup time
Input leakage
Conversion time
Monotonicity
Zero input reading
Full-scale reading
Sample time
Input capacitance
ADC internal clock
Analog input voltage
1. V
2. The external system error caused by input leakage current is approximately equal to the product of R source and input
3. Source impedances greater than 10 k adversely affect internal RC charging time during input sampling.
(V
Ports B and D
current.
REFL
DD
= 5.0 Vdc 10%, V
= 0 V, V
(3)
(2)
Characteristic
DDA
(1)
= V
SS
REFH
= 0 Vdc, V
= 5 V 10%)
DDA
/V
DDAREF
Electrical Specifications
= 5.0 Vdc 10%, V
V
500 k
–0.3
Min
REFL
FE
–1
16
—
16
00
—
8
5
V
1.048 M
DD
V
SSA
Max
REFH
FF
+1
17
17
01
—
Inherent within Total Error
8
8
+ 0.3
1
= 0 Vdc, V
cycles
cycles
clock
clock
REFH
ADC
ADC
Unit
LSB
Bits
Hex
Hex
pF
Hz
V
V
A
MC68HC708AS48
s
= 5.0 Vdc 10%
Includes quantization
Tested only at 1 MHz
Includes sampling
Conversion time
V
V
V
Comments
REFL
Not tested
IN
IN
period
time
= V
= V
MOTOROLA
= V
—
REFH
REFL
SSA
Rev. 4.0
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