Z8F082ASH020SC Datasheet, PDF (215/244 Pages) Zilog, Inc. – Z8 Encore XP-R F08xA Series with eXtended Peripherals

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