CY8C20XX7 Datasheet, PDF (18/43 Pages) Cypress Semiconductor – 1.8 V CapSense® Controller with SmartSense™ Auto-tuning 31 Buttons, 6 Sliders, Proximity Sensors

CY8C20xx7/S
Comparator User Module Electrical Specifications
The following table lists the guaranteed maximum and minimum specifications. Unless stated otherwise, the specifications are for the
entire device voltage and temperature operating range: –40 °C  TA  85 °C, 1.71 V  V_DD  5.5 V.
Table 16. Comparator User Module Electrical Specifications
Symbol
Description
Conditions
Min
Typ
Max Units
T_COMP
Offset
Comparator response time 50 mV overdrive
Valid from 0.2 V to 1.5 V
–
70
100
ns
–
2.5
30
mV
Current
Average DC current, 50 mV
–
overdrive
20
80
µA
PSRR
Supply voltage > 2 V
Power supply rejection ratio
–
80
–
dB
Supply voltage < 2 V
Power supply rejection ratio
–
40
–
dB
Input range
–
0.2
1.5
V
ADC Electrical Specifications
Table 17. ADC User Module Electrical Specifications
Symbol
Input
V_IN
C_IIN
R_IN
Description
Input voltage range
Input capacitance
Input resistance
Conditions
Min
Typ
Max Units
–
0
–
VREFADC V
–
–
–
5
pF
Equivalent switched cap input 1/(500fF × 1/(400fF × 1/(300fF × 
resistance for 8-, 9-, or 10-bit data clock) data clock) data clock)
resolution
Reference
V_REFADC
Conversion Rate
F_CLK
ADC reference voltage
Data clock
S8
8-bit sample rate
S10
10-bit sample rate
–
1.14
Source is chip’s internal main
2.25
oscillator. See AC Chip-Level
Specifications on page 21 for
accuracy
Data clock set to 6 MHz.
–
sample rate = 0.001/
(2^Resolution/Data Clock)
Data clock set to 6 MHz.
–
sample rate = 0.001/
(2^resolution/data clock)
–
–
23.43
5.85
1.26
V
6
MHz
–
ksps
–
ksps
DC Accuracy
RES
Resolution
Can be set to 8, 9, or 10 bit
8
–
10
bits
DNL
Differential nonlinearity
–
–1
–
+2
LSB
INL
Integral nonlinearity
–
–2
–
+2
LSB
E_OFFSET
Offset error
8-bit resolution
10-bit resolution
0
3.20
19.20
LSB
0
12.80
76.80
LSB
E_GAIN
Gain error
For any resolution
–5
–
+5
%FSR
Power
I_ADC
PSRR
Operating current
Power supply rejection ratio
–
PSRR (V_DD > 3.0 V)
PSRR (V_DD < 3.0 V)
–
2.10
2.60
mA
–
24
–
dB
–
30
–
dB
Document Number: 001-69257 Rev. *I
Page 18 of 43