Z8 Encore! XP® F08xA Series
Product Specification
197
Table 124. Analog-to-Digital Converter Electrical Characteristics and Timing
VDD = 2.7 to 3.6V
TA = -40°C to +105°C
Symbol
Parameter
Minimum Typical
Maximum
Units Conditions
Resolution
–
10
–
bits External V
= 3.0V;
= 3.0V;
= 3.0V;
REF
R ← 3.0KΩ
S
Differential Nonlinearity
(DNL)
-1.0
-3.0
–
1.0
3.0
LSB External V
REF
R ← 3.0KΩ
S
Integral Nonlinearity (INL)
–
LSB External V
REF
R ← 3.0KΩ
S
Uncalibrated DC Offset
Error (single-ended)
-100
TBD
-250
–
80
TBD
250
mV Unbuffered Mode
Unity Gain Buffered
20x Gain Buffered
Note: All values are
uncompensated;
manual offset
compensation is
available
Uncalibrated DC Offset
Error (differential)
-100
TBD
–
80
TBD
mV Unbuffered Mode
Unity Gain Buffered
Note: All values are
uncompensated;
manual offset
compensation is
available
V
Internal Reference Voltage
0.9
1.8
1.0
2.0
1.1
2.2
V
REFSEL=00
REFSEL=01
REF
Single-Shot Conversion
Time
–
5129
–
cycles System clock cycles
cycles System clock cycles
Hz
Continuous Conversion
Time
–
256
–
Sampling Rate
System Clock /256
10
Signal Input Bandwidth
–
–
KHz As defined by -3dB
point
R
Analog Source Impedance
–
10
500
kΩ
In unbuffered mode
In buffered modes
S
1
Analog source impedance affects the ADC offset voltage (because of pin leakage) and input settling
time.
PS024705-0405
P R E L I M I N A R Y
Electrical Characteristics
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