Specifications
CY8C24094, CY8C24794
CY8C24894, CY8C24994
Document Number: 38-12018 Rev. AH Page 26 of 64
10.3.5 DC Low Power Comparator Specifications
The following table lists guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75 V to 5.25 V
and –40 °C T
A
85 °C or 3.0 V to 3.6 V and –40 °C T
A
85 °C, respectively. Typical parameters are measured at 5 V at 25 °C
and are for design guidance only.
Table 15. 3.3-V 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
Power = high, Opamp bias = high
–
–
–
1.65
1.32
–
10
8
–
mV
mV
mV
Power = high, Opamp bias = high
setting is not allowed for 3.3 V
V
DD
operation
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.
Tem p = 25 °C .
V
CMOA
Common mode voltage range 0.2 – V
DD
– 0.2 V The common-mode input voltage
range is measured through an
analog output buffer. The specifi-
cation 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, Opamp bias = low
60
60
80
–
–
–
–
–
–
dB
dB
dB
Specification is applicable at Low
opamp bias. For high opamp bias
mode (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, Opamp bias = low
V
DD
– 0.2
V
DD
– 0.2
V
DD
– 0.2
–
–
–
–
–
–
V
V
V
Power = high, Opamp bias = high
setting is not allowed for
3.3 V V
DD
operation
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
Power = high, Opamp bias = high
setting is not allowed for
3.3 V V
DD
operation
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
–
–
–
–
–
–
400
500
800
1200
2400
–
800
900
1000
1600
3200
–
µA
µA
µA
µA
µA
µA
Power = high, Opamp bias = high
setting is not allowed for
3.3 V V
DD
operation
PSRR
OA
Supply voltage rejection ratio 65 80 – dB V
SS
V
IN
(V
DD
– 2.25) or
(V
DD
– 1.25 V) V
IN
V
DD
Table 16. DC Low Power Comparator Specifications
Symbol Description Min Typ Max Units Notes
V
REFLPC
Low power comparator (LPC) reference
voltage range
0.2 – V
DD
– 1 V
I
SLPC
LPC supply current – 10 40 µA
V
OSLPC
LPC voltage offset – 2.5 30 mV