MC68HC711xxxx Motorola, MC68HC711xxxx Datasheet - Page 183

• Manufacturer Part Number: MC68HC711xxxx
• Description: Microcontrollers
• Manufacturer: Motorola

10.14 MC68L11E9/E20 Analog-to-Digital Converter Characteristics
M68HC11E Family — Rev. 5
MOTOROLA
Resolution
Non-linearity
Zero error
Full scale error
Total unadjusted
Quantization error
Absolute accuracy
Conversion range
V
V
∆V
Conversion time
Monotonicity
Zero input reading
Full scale reading
Sample acquisition
Sample/hold
Input leakage
1. V
2. Source impedances greater than 10 kΩ affect accuracy adversely because of input leakage.
RH
RL
error
time
capacitance
Characteristic
R
DD
= 3.0 Vdc to 5.5 Vdc, V
(1)
Number of bits resolved by A/D converter
Maximum deviation from the ideal A/D transfer
Difference between the output of an ideal and an
Difference between the output of an ideal and an
Maximum sum of non-linearity, zero error, and
Uncertainty because of converter resolution
Difference between the actual input voltage and the
Analog input voltage range
Maximum analog reference voltage
Minimum analog reference voltage
Minimum difference between V
Total time to perform a single
Conversion result never decreases with an
Conversion result when V
Conversion result when V
Analog input acquisition sampling time:
Input capacitance during sample
Input leakage on A/D pins
characteristics
actual for 0 input voltage
actual A/D for full-scale input voltage
full-scale error
full-scale weighted equivalent of the binary output
code, all error sources included
analog-to-digital conversion:
increase in input voltage and has no missing
codes
E clock
Internal RC oscillator
PE[7:0]
PE[7:0]
V
RL
E clock
Internal RC oscillator
, V
RH
SS
= 0 Vdc, T
Parameter
A
= T
In
In
= V
= V
L
Electrical Characteristics
to T
(2)
RH
RL
RH
H,
and V
750 kHz ≤ E ≤ 2.0 MHz, unless otherwise noted
MC68L11E9/E20 Analog-to-Digital Converter Characteristics
RL
V
SS
Min
V
V
3.0
00
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
RL
RL
–0.1
Guaranteed
Absolute
20 typical
—
—
—
—
—
—
—
—
—
—
32
—
—
—
12
—
—
—
8
Electrical Characteristics
V
t
CYC
DD
Max
±1/2
±1/2
V
V
400
1.0
FF
±1
±1
±1
±2
12
—
—
—
—
—
—
—
RH
RH
+ 0.1
+ 32
Data Sheet
Unit
LSB
LSB
LSB
LSB
LSB
LSB
t
t
Hex
Hex
Bits
CYC
CYC
nA
µA
pF
µs
—
µs
V
V
V
V
183