Specifications
CY8C24123A
CY8C24223A
CY8C24423A
Document Number: 38-12028 Rev. *V Page 22 of 71
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 A
C
INOA
Input capacitance (port 0 analog pins) – 4.5 9.5 pF Package and pin dependent.
Tem p = 2 5 °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
specification includes the limitations
imposed by the characteristics of the
analog output buffer.
G
OLOA
Open loop gain
Power = low, ppamp 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, ppamp 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
–
–
–
–
–
–
150
300
600
1200
2400
–
200
400
800
1600
3200
–
A
A
A
A
A
A
Power = high, Opamp bias = high
setting is not allowed for 3.3 V V
DD
operation.
PSRR
OA
Supply voltage rejection ratio 64 80 – dB V
SS
V
IN
(V
DD
– 2.25) or
(V
DD
– 1.25 V) V
IN
V
DD