
April 14, 2005
Document No. 38-12018 Rev. *F
23
CY8C24794 Final Data Sheet
3. Electrical Specifications
3.4.4
AC Operational Amplifier Specifications
The following tables list guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V
and -40
°
C
≤
T
A
≤
85
°
C, or 3.0V to 3.6V and -40
°
C
≤
T
A
≤
85
°
C, respectively. Typical parameters apply to 5V and 3.3V at 25
°
C and
are for design guidance only.
Settling times, slew rates, and gain bandwidth are based on the Analog Continuous Time PSoC block.
Power = High and Opamp Bias = High is not supported at 3.3V
.
Table 3-19. 5V AC Operational Amplifier Specifications
Symbol
T
ROA
Description
Min
Typ
Max
Units
Notes
Rising Settling Time from 80% of
V to 0.1% of
V (10 pF
load, Unity Gain)
Power = Low, Opamp Bias = Low
Power = Medium, Opamp Bias = High
Power = High, Opamp Bias = High
Falling Settling Time from 20% of
V (10 pF
load, Unity Gain)
Power = Low, Opamp Bias = Low
Power = Medium, Opamp Bias = High
Power = High, Opamp Bias = High
Rising Slew Rate (20% to 80%)(10 pF load, Unity Gain)
Power = Low, Opamp Bias = Low
Power = Medium, Opamp Bias = High
Power = High, Opamp Bias = High
Falling Slew Rate (20% to 80%)(10 pF load, Unity Gain)
Power = Low, Opamp Bias = Low
Power = Medium, Opamp Bias = High
Power = High, Opamp Bias = High
Gain Bandwidth Product
Power = Low, Opamp Bias = Low
Power = Medium, Opamp Bias = High
Power = High, Opamp Bias = High
Noise at 1 kHz (Power = Medium, Opamp Bias = High)
–
–
–
–
–
–
3.9
0.72
0.62
μ
s
μ
s
μ
s
T
SOA
–
–
–
–
–
–
5.9
0.92
0.72
μ
s
μ
s
μ
s
SR
ROA
0.15
1.7
6.5
–
–
–
–
–
–
V/
μ
s
V/
μ
s
V/
μ
s
SR
FOA
0.01
0.5
4.0
–
–
–
–
–
–
V/
μ
s
V/
μ
s
V/
μ
s
BW
OA
0.75
3.1
5.4
–
–
–
–
100
–
–
–
–
MHz
MHz
MHz
nV/rt-Hz
E
NOA
Table 3-20. 3.3V AC Operational Amplifier Specifications
Symbol
T
ROA
Description
Min
Typ
Max
Units
Notes
Rising Settling Time from 80% of
V to 0.1% of
V (10 pF
load, Unity Gain)
Power = Low, Opamp Bias = Low
Power = Medium, Opamp Bias = High
Falling Settling Time from 20% of
V to 0.1% of
V (10 pF
load, Unity Gain)
Power = Low, Opamp Bias = Low
Power = Medium, Opamp Bias = High
Rising Slew Rate (20% to 80%)(10 pF load, Unity Gain)
Power = Low, Opamp Bias = Low
Power = Medium, Opamp Bias = High
Falling Slew Rate (20% to 80%)(10 pF load, Unity Gain)
Power = Low, Opamp Bias = Low
Power = Medium, Opamp Bias = High
Gain Bandwidth Product
Power = Low, Opamp Bias = Low
Power = Medium, Opamp Bias = High
Noise at 1 kHz (Power = Medium, Opamp Bias = High)
–
–
–
–
3.92
0.72
μ
s
μ
s
T
SOA
–
–
–
–
5.41
0.72
μ
s
μ
s
SR
ROA
0.31
2.7
–
–
–
–
V/
μ
s
V/
μ
s
SR
FOA
0.24
1.8
–
–
–
–
V/
μ
s
V/
μ
s
BW
OA
0.67
2.8
–
–
–
100
–
–
–
MHz
MHz
nV/rt-Hz
E
NOA