CY8C23433, CY8C23533
Document Number: 001-44369 Rev. *B
Page 24 of 37
SAR8 ADC DC Specifications
The following table lists the guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V
and -40
°
C
≤
T
A
≤
85
°
C, or 3.0V to 3.6V and -40
°
C
≤
T
A
≤
85
°
C, respectively. Typical parameters apply to 5V and 3.3V at 25
°
C and
are for design guidance only.
Table 23. SAR8 ADC DC Specifications
Symbol
Description
Min
Typ
Max
Units
Notes
V
ADCVREF
Reference voltage at pin P3[0] when configured
as ADC reference voltage
3.0
–
5.25
V
The voltage level at P3[0]
(when configured as ADC
reference voltage) must
always be maintained to be
less than chip supply voltage
level on Vdd pin.
V
ADCVREF
< Vdd.
I
ADCVREF
Current when P3[0] is configured as ADC V
REF
3
–
–
mA
INL
Integral Non-linearity
-1.5
–
+1.5
LSB
INL
(limited
range)
Integral Non-linearity accommodating a shift in
the offset at 0x80
-1.2
[12]
–
+1.2
LSB
The maximum LSB is over a
sub-range not exceeding
1/16 of the full-scale range.
0x7F and 0x80 points specs
are excluded here
DNL
Differential Non-linearity
-2.3
–
+2.3
LSB
ADC conversion is
monotonic over full range
DNL
(limited
range)
Differential Non-linearity excluding 0x7F-0x80
transition
-1
–
+1
LSB
ADC conversion is
monotonic over full range.
0x7F to 0x80 transition specs
are excluded here.
Notes
12. SAR converters require a stable input voltage during the sampling period. If the voltage into the SAR8 changes by more than 1 LSB during the sampling period then
the accuracy specifications may not be met
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