CYW20737
Table 14. ADC Specifications
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Number of Input channels –
–
–
9
–
–
–
–
–
Channel switching rate
Input signal range
Reference settling time
Input resistance
fch
–
–
133.33
kch/s
V
Vinp
–
–
0
3.63
Changing refsel
7.5
–
–
s
Rinp
Cinp
fC
Effective, single ended
500
–
–
k
pF
Input capacitance
Conversion rate
–
–
5
–
5.859
5.35
–
–
187
170.7
–
kHz
s
Conversion time
TC
R
–
–
Resolution
–
16
bits
Effective number of bits
–
In specified performance range
–
See
Table 2
–
Absolute voltage
–
Using on-chip ADC firmware driver
–
±2
–
%
measurement error
Current
I
I
avdd1p2 + Iavdd3p3
–
–
1
mA
Power
P
–
–
1.5
–
–
mW
nA
Leakage current
Power-up time
Integral nonlinearity3
Ileakage
Tpowerup
INL
T = 25°C
–
100
200
1
–
–
–
µs
In guaranteed performance range
In guaranteed performance range
–1
–1
–
LSBa
LSBa
Differential nonlinearitya DNL
–
1
a. LSBs are expressed at the 10-bit level.
Table 15 shows the specifications for the digital voltage levels.
Table 15. Digital Levelsa
Characteristics
Input low voltage
Symbol
VIL
Min
Typ
Max
0.4
Unit
–
–
V
Input high voltage
VIH
VIL
0.75 × VDDO –
–
V
Input low voltage (VDDO = 1.62V)
Input high voltage (VDDO = 1.62V)
Output low voltageb
–
–
–
–
–
0.4
–
V
VIH
VOL
VOH
CIN
1.2
V
–
0.4
–
V
Output high voltageb
VDDO – 0.4
–
V
Input capacitance (VDDMEM domain)
0.12
–
pF
a. This table is also applicable to VDDMEM domain.
b. At the specified drive current for the pad.
Document Number: 002-16365 Rev. *C
Page 24 of 36
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