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AK2920T

P1-P3P4-P6P7-P9P10-P12P13-P15
ASAHI KASEI [AK2920]
MS0953-E-01 2011/06
- 7 -
Large signal transient response Large signal transient response
(VDD/VSS = +1.35V/- 1.35V, (VDD/VSS = +2.5V/-2.5V
Ta = 25°C, CL = 150pF) Ta = 25°C, CL = 150pF)
Small signal transient response Small signal transient response
(VDD/VSS = +1.35V/- 1.35V, (VDD/VSS = +2.5V/-2.5V
Ta = 25°C, CL = 150pF) Ta = 25°C, CL = 150pF)
Large signal transient response
-2
-1.5
-1
-0.5
0
0.5
1
1.5
2
Time (4
μ
sec/DIV)
Output voltage (0.5V/DIV)
Large signal tansient respons
-4
-3
-2
-1
0
1
2
3
4
Time (4
μ
s/DIV)
Output voltage (1V/DIV)
Small signal transient response
-0.2
-0.15
-0.1
-0.05
0
0.05
0.1
0.15
0.2
Time (4
μ
s/DIV)
Output voltage (50mV/DIV)
Small signal transinet response
-0.2
-0.15
-0.1
-0.05
0
0.05
0.1
0.15
0.2
Time (4
μ
s/DIV)
Output voltage (50mV/DIV)
ASAHI KASEI [AK2920]
MS0953-E-01 2011/06
- 8 -
Small signal overshoot vs. Load Capacitance Small signal overshoot vs. Load Capacitance
(VDD=2.7V, Ta=25°C) (VDD=5V, Ta=25°C)
Positive overvoltage recovery Negative overvoltage recovery
(
VDD/VSS = +2.5V/-2.5V, Ta = 25°C) (VDD/VSS = +2.5V/-2.5V, Ta = 25°C)
Small signal overshoot vs. Load capacitance
0
10
20
30
40
50
1.E+00 1.E+01 1.E+02 1.E+03 1.E+04
Load capacitance [pF]
Overshoot [%]
OS+
OS-
Small signal overshoot vs. Load capacitance
0
10
20
30
40
50
1.E+00 1.E+01 1.E+02 1.E+03 1.E+04
Load capacitance [pF]
Overshoot [%]
OS+
OS-
Positive overvoltage recovery
Voltage [V]
Av = -50
RL = 10k
CH1 = 1V/DIV
CH2 = 50mV/DIV
Time
(
10
sec/DIV
)
Negative overvoltage recovery
Time (10μsec/DIV)
Av = -50
RL = 10k
CH1 = 1V/DIV
CH2 = 50mV/DIV
Voltage [V]
ASAHI KASEI [AK2920]
MS0953-E-01 2011/06
- 9 -
Common Mode Rejection Ratio vs. Frequency
Power Supply Rejection Ratio vs. Frequency Power Supply Rejection Ratio vs. Frequency
(VDD=2.7V, Ta=25°C) (VDD=5V, Ta=25°C)
CMRR
0
20
40
60
80
100
120
1.E+00 1.E+01 1.E+02 1.E+03 1.E+04 1.E+05
Frequency [Hz]
CMRR [dB]
2.7V
5.0V
PSRR
0
20
40
60
80
100
120
140
1.E+00 1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06
Frequency [Hz]
PSRR [dB]
2.7V_VDD
2.7V_VSS
PSRR
0
20
40
60
80
100
120
140
1.E+00 1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06
Frequency [Hz]
PSRR [dB]
5.0V_VDD
5.0V_VSS
P1-P3P4-P6P7-P9P10-P12P13-P15

AK2920T

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Description:
IC OPAMP ZERO-DRIFT 2MHZ 8TMSOP
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