W79E825A Datasheet, PDF (121/127 Pages) Winbond – 8-BIT MICROCONTROLLER

W79E825A/824A/823B/822B Data Sheet
28.3 The ADC Converter DC ELECTRICAL CHARACTERISTICS
(VDD−VSS = 3.0~5V, TA = -40~85°C, Fosc = 20MHz, unless otherwise specified.)
PARAMETER
SYMBOL
MIN.
SPECIFICATION
TYP.
MAX.
TEST CONDITIONS
UNIT
Analog input
ADC clock
Conversion time
Differential non-linearity
AVIN
ADCCLK
t_C
DNL
V_SS-0.2
200KH
z
-1
52t_ADC^[1]
-
V_DD+0.2
5MHz
+1
V
Hz
ADC circuit input
clock
us
LSB
Integral non-linearity
INL
-2
-
+2
LSB
Offset error
Ofe
-1
-
+1
LSB
Gain error
Ge
-1
-
+1
%
Absolute voltage error
Ae
-3
-
+3
LSB
Notes: 1. tADC: The period time of ADC input clock.
28.4 The COMPARATOR ELECTRICAL CHARACTERISTICS
(VDD−VSS = 3.0~5V, TA = -40~85°C, Fosc = 20MHz, unless otherwise specified.)
PARAMETER
SYMBOL
SPECIFICATION
MIN. TYP. MAX. UNIT
Common mode range
comparator inputs
V_CR
0
V_DD-0.3 V
Common mode rejection ratio CMRR
-50 dB
Response time
t_RS
Comparator enable to output
valid time
t_EN
-
30
100 ns
-
1
5
us
Input leakage current,
comparator
I_IL
-10
0
10
uA
TEST
CONDITIONS
0< V_IN <V_DD
28.5 AC ELECTRICAL CHARACTERISTICS
t_CHCL
Note: Duty cycle is 50%.
t_CLCH
t_CLCX
t_CLCL
t_CHCX
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Publication Release Date: February 21, 2008
Revision A9