z8f1621 ZiLOG Semiconductor, z8f1621 Datasheet - Page 239

• Manufacturer Part Number: z8f1621
• Description: High Performance 8-bit Microcontrollers
• Manufacturer: ZiLOG Semiconductor

PS019921-0308
Table 112. Analog-to-Digital Converter Electrical Characteristics and Timing
Symbol Parameter
V
VC
TC
R
Zin
V
I
REF
REF
REF
S
REF
REF
Resolution
Differential Nonlinearity
(DNL)
Integral Nonlinearity (INL)
DC Offset Error
DC Offset Error
Internal Reference
Voltage
Voltage Coefficient of
Internal Reference
Voltage
Temperature Coefficient
of Internal Reference
Voltage
Single-Shot Conversion
Period
Continuous Conversion
Period
Analog Source
Impedance
Input Impedance
External Reference
Voltage
Current draw into VREF
pin when driving with
external source.
Minimum Typical
-1.0
-3.0
-35
-50
1.9
10
–
–
–
–
–
T
A
V
= –40 °C to 125 °C
DD
= 3.0 V–3.6 V
5129
+1.0
25.0
256
150
2.0
78
–
–
–
1
–
Maximum
AVDD
+1.0
40.0
150
3.0
2.4
25
25
–
–
–
–
–
Z8 Encore! XP
mV/°C
cycles System clock cycles
cycles System clock cycles
Units Conditions
mV/V V
bits
mV
mV
lsb
lsb
kΩ
µA
Ω
V
V
Product Specification
External V
Guaranteed by design
External V
44-pin LQFP, 44-pin
PLCC, and 68-pin
PLCC packages.
V
T
function of AVDD.
Recommended
AVDD <= VDD. When
using an external
reference voltage,
decoupling
capacitance should be
placed from VREF to
AVSS.
A
DD
REF
Electrical Characteristics
= -40 °C to 105 °C
= 3.0 V - 3.6 V
variation as a
®
F64XX Series
REF
REF
= 3.0 V;
= 3.0 V
225