Cypress CY8C24123A Manual De Usuario

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CY8C24123A
CY8C24223A, CY8C24423A
Document Number: 38-12028  Rev. *I
Page 24 of 56
DC Low Power Comparator Specifications
 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, 3.0V to 3.6V and -40°C ≤ T
A
 
≤ 85°C, or 2.4V to 3.0V and -40°C ≤ T
A
 
≤ 85°C, respectively. Typical parameters apply to
5V at 25°C and are for design guidance only. 
Table 19.  2.7V DC Operational Amplifier Specifications
Symbol
Description
Min
Typ
Max
Units
Notes
V
OSOA
Input Offset Voltage (absolute value) 
Power = Low, Opamp Bias = High
Power = Medium, Opamp Bias = High
High Power is 5 Volts Only

1.65 
1.32 
10 
mV 
mV 
TCV
OSOA
Average Input Offset Voltage Drift
7.0
35.0
μV/°C
I
EBOA
Input Leakage Current (Port 0 Analog Pins)
20
pA
Gross tested to 1 
μA
C
INOA
Input Capacitance (Port 0 Analog Pins)
4.5
9.5
pF
Package and pin dependent. 
Temp = 25°C
V
CMOA
Common Mode Voltage Range
0.2
Vdd - 0.2
V
The common-mode input voltage 
range is measured through an 
analog output buffer. The 
specification includes the 
limitations imposed by the 
characteristics of the analog output 
buffer.
G
OLOA
Open Loop Gain
Power = Low, Opamp Bias = Low
Power = Medium, Opamp Bias = Low
Power = High
60
60
80
dB
Specification is applicable at high 
power. For all other bias modes 
(except high power, high opamp 
bias), minimum is 60 dB.
V
OHIGHOA
High Output Voltage Swing (internal signals)
Power = Low, Opamp Bias = Low
Power = Medium, Opamp Bias = Low
Power = High is 5V only
Vdd - 0.2
Vdd - 0.2
Vdd - 0.2




V
V
V
V
OLOWOA
Low Output Voltage Swing (internal signals)
Power = Low, Opamp Bias = Low
Power = Medium, Opamp Bias = Low
Power = High, Opamp Bias = Low




0.2
0.2
0.2
V
V
V
I
SOA
Supply Current (including associated AGND 
buffer)
Power = Low, Opamp Bias = Low
Power = Low, Opamp Bias = High
Power = Medium, Opamp Bias = Low
Power = Medium, Opamp Bias = High
Power = High, Opamp Bias = Low
Power = High, Opamp Bias = High





150
300
600
1200
2400
4600
200
400
800
1600
3200
6400
μA
μA
μA
μA
μA
μA
PSRR
OA
Supply Voltage Rejection Ratio
64
80
dB
Vss 
≤ VIN ≤ (Vdd - 2.25) or 
(Vdd - 1.25V) 
≤ VIN ≤ Vdd
Table 20.  DC Low Power Comparator Specifications
Symbol
Description
Min
Typ
Max
Units
V
REFLPC
Low power comparator (LPC) reference 
voltage range
0.2
Vdd - 1
V
I
SLPC
LPC supply current
10
40
μA
V
OSLPC
LPC voltage offset
2.5
30
mV