Z8F6421PM020SC Datasheet, PDF (242/299 Pages) Zilog, Inc. – High Performance 8-Bit Microcontrollers Z8 Encore-R 64K Series

Z8 Encore!^® 64K Series
Product Specification
222
Table 111 provides electrical characteristics and timing information for the Analog-to-Digital Converter.
Figure 49 illustrates the input frequency response of the ADC.
Table 111. Analog-to-Digital Converter Electrical Characteristics and Timing
V_DD = 3.0 - 3.6V
T_A = –40⁰C to 125⁰C
Symbol Parameter
Minimum Typical Maximum Units Conditions
Resolution
10
–
Differential Nonlinearity
-.25
(DNL)
–
bits External V_REF = 3.0V;
+.25
lsb Guaranteed by design
Integral Nonlinearity (INL) -3.0
+1.0
DC Offset Error
-35
–
3.0
lsb External V_REF = 3.0V
25
mV
DC Offset Error
-50
–
25
mV 44-pin LQFP, 44-pin
PLCC, and 68-pin PLCC
packages.
V_REF Internal Reference Voltage
1.9
2.0
VC_REF Voltage Coefficient of
–
78
Internal Reference Voltage
TC_REF Temperature Coefficient of
–
1
Internal Reference Voltage
2.4
V V_DD = 3.0 - 3.6V
T_A = -40⁰C to 105⁰C
–
mV/V V_REF variation as a
function of AVDD.
–
mV/⁰C
Single-Shot Conversion
Period
–
5129
–
cycles System clock cycles
Continuous Conversion
Period
–
256
–
cycles System clock cycles
R_S
Analog Source Impedance
–
–
150
Ω Recommended
Zin
Input Impedance
150
kΩ
V_REF External Reference Voltage
AVDD
V AVDD <= VDD. When
using an external reference
voltage, decoupling
capacitance should be
placed from VREF to
AVSS.
I_REF
Current draw into VREF pin
when driving with external
source.
25.0
40.0
μA
PS019915-1005
Electrical Characteristics