MC68HC711xxxx Motorola, MC68HC711xxxx Datasheet - Page 182

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

Electrical Characteristics
10.13 Analog-to-Digital Converter Characteristics
Data Sheet
182
Resolution
Non-linearity
Zero error
Full scale error
Total unadjusted
Quantization
Absolute
Conversion
V
V
∆V
Conversion
Monotonicity
Zero input reading Conversion result when V
Full scale
Sample acquisition
Sample/hold
Input leakage
Characteristic
1. V
2. Source impedances greater than 10 kΩ affect accuracy adversely because of input leakage.
3. Performance verified down to 2.5 V ∆V
RH
RL
error
error
accuracy
range
time
time
capacitance
reading
R
DD
= 5.0 Vdc ±10%, 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 A/D conversion:
Conversion result never decreases with an
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
E clock
Internal RC oscillator
increase in input voltage; has no missing codes
E clock
Internal RC oscillator
PE[7:0]
PE[7:0]
V
RL
, V
SS
RH
= 0 Vdc, T
Parameter
A
= T
R
, but accuracy is tested and guaranteed at ∆V
L
In
In
to T
= V
= V
(2)
Electrical Characteristics
H,
RH
RL
RH
750 kHz ≤ E ≤ 3.0 MHz, unless otherwise noted
and V
(2)
(3)
RL
(2)
V
SS
Min
V
V
—
—
—
—
—
—
—
—
—
—
00
—
—
—
—
—
—
3
RL
RL
–0.1
Guaranteed
Absolute
20 typical
—
—
—
—
—
—
—
—
—
—
32
—
—
—
12
—
—
—
R
8
= 5 V ±10%.
M68HC11E Family — Rev. 5
V
2.0 MHz
t
CYC
DD
Max
±1/2
±1/2
±1/2
±1/2
±1/2
V
V
400
1.0
FF
12
—
±1
—
—
—
—
—
—
RH
RH
+0.1 V
+32
3.0 MHz
t
CYC
DD
Max
±1/2
±1/2
V
V
400
1.0
FF
—
±1
±1
±1
±2
—
—
—
—
—
12
—
MOTOROLA
RH
RH
+0.1
+32
t
t
Unit
LSB
LSB
LSB
LSB
LSB
LSB
Hex
Hex
Bits
CYC
CYC
pF
nA
µA
µs
µs
—
V
V
V
V