Z8F4822AR020SG Datasheet, PDF (234/323 Pages) Zilog, Inc. – High Performance 8-Bit Microcontrollers

Z8 Encore! XP^® F64xx Series
Product Specification
214
Table 113 provides electrical characteristics and timing information for the Analog-to-
Digital Converter. Figure 49 displays the input frequency response of the ADC.
Table 113. Analog-to-Digital Converter Electrical Characteristics and Timing
Symbol
V_REF
VC_REF
TC_REF
R_S
Zin
V_REF
V_DD = 3.0 V–3.6 V
T_A = –40°C to 125°C
Parameter
Minimum Typical Maximum Units Conditions
Resolution
10
–
–
bits External V_REF = 3.0V;
Differential Nonlinearity –1.0
+1.0
lsb Guaranteed by design
(DNL)
Integral Nonlinearity
(INL)
–3.0
+1.0
3.0
lsb External V_REF = 3.0V
DC Offset Error
–35
–
25
mV 80-pin QFP and 64-pin
LQFP packages.
DC Offset Error
–50
–
25
mV 44-pin LQFP, 44-pin
PLCC, and 68-pin PLCC
packages.
Internal Reference
Voltage
1.9
2.0
2.4
V V_DD = 3.0V–3.6V
T_A = –40°C to 105°C
Voltage Coefficient of
–
78
–
mV/V V_REF variation as a func-
Internal Reference
tion of AV_DD.
Voltage
Temperature
–
1
–
mV/°C
Coefficient of Internal
Reference Voltage
Single-Shot
Conversion Period
–
5129
–
cycles System clock cycles
Continuous Conversion
–
256
–
cycles System clock cycles
Period
Analog Source
Impedance
Input Impedance
–
–
150
W Recommended
150
kΩ 20MHz system clock.
Input impedance
increases with lower sys-
tem clock frequency.
External Reference
Voltage
AV_DD
V AV_DD <= V_DD. When
using an external refer-
ence voltage, decoupling
capacitance should be
placed from V_REF to
AV_SS.
PS019924-0113
P R E L I M I N A R Y On-Chip Peripheral AC and DC Electrical