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PDF AK2920 Data sheet ( Hoja de datos )
| Número de pieza | AK2920 | |
| Descripción | Zero Drift operational amplifiers | |
| Fabricantes | AKM | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AK2920 (archivo pdf) en la parte inferior de esta página. Total 15 Páginas | ||
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ASAHI KASEI
[AK2920]
AK2920
Zero Drift operational amplifiers
Feature
AK2920 is the dual channel CMOS operational amplifires which is available to output with very low input offset
voltage (+/- 1.0μV) and near zero input offset dirft.
It’s operated with very small current consumptions, 800μA typ./ch (VDD:5.0V), which is available to operate full
swing signals in output.
AK2920 is appropriated to Sensor Pre Amp. applications.
Low Voltage, Single Supply Operation : 2.7V - 5.5V
Very Low Input Offset Voltage : +/- 1.0μV typ.
Near Zero Dirft over time and temperature : +/- 2.0nV/°C typ.
Full Swing Outputs to 10kΩ Load
Power Supply Current : 800μA typ./ch (VDD: 5.0V, No Load)
Gain Bandwidth : 2MHz typ.
Package : TMSOP8
Part Name Channel Number
Package
AK2920T 2
TMSOP8
Pin Location
1:OUTA
2:NINA
3:PINA
4:VSS
A
B
TMSOP8
(AK2920T)
8:VDD
7:OUTB
6:NINB
5:PINB
MS0953-E-01
-1-
2011/06
http://www.Datasheet4U.com
1 page  
ASAHI KASEI
Output voltage vs. Load current
(VDD=2.7V, Ta=25°C)
Isource / Isink - VOL / VOH
10000
1000
100
10
1
0.1
0.01
0.0001
source
sink
0.001
0.01
0.1
Isource / Isink [mA]
1
10
Output voltage vs. Load current
(VDD=5V, Ta=25°C)
Isouce / Isink - VOL / VOH
[AK2920]
10000
1000
100
10
1
0.1
0.01
0.0001
source
sink
0.001
0.01
0.1
Isource / Isink [mA]
1
10
Closed loop gain vs. Frequency
(VDD=2.7V, Ta=25°C)
Closed loop gain
Closed loop gain vs. Frequency
(VDD=5V, Ta=25°C)
Closed loop gain
70
60
50 Av = 100, RL = 2k
40
30 Av = 10, RL = 2k
20
10 Av = 1, RL = 2k
0
-10
-20
-30
1.E+00
1 .E+01
1.E+02 1.E+03 1.E+04 1.E+05
Frequency [Hz]
1.E+06
1.E+07
70
60
50 Av = 100, RL = 2k⎠
40
30 Av = 10, RL = 2k⎠
20
10 Av = 1, RL = 2k⎠
0
-10
-20
-30
1.E+00
1.E+01
1.E+02 1.E+03 1.E+04 1.E+05
Frequency [ Hz]
1.E+06
1.E+07
MS0953-E-01
-5-
2011/06
5 Page 
ASAHI KASEI
Voltage noise density
(VDD=2.7V, Ta=25°C, f=0~2.5kHz)
Voltage noise density
120
100
80
60
40
20
0
0
500
1000
1500
2000
2500
Frequency [Hz]
[AK2920]
Voltage noise density
(VDD=5V, Ta=25°C, f=0~2.5kHz)
Voltage noise density
120
100
80
60
40
20
0
0
500 1000 1500 2000 2500
Frequency [Hz]
Voltage noise density
(VDD=2.7V, Ta=25°C, f=0~20kHz)
Voltage noise density
120
100
80
60
40
20
0
0
5000
10000
15000
Frequency [Hz]
Voltage noise density
(VDD=5V, Ta=25°C, f=0~20kHz)
Voltage noise density
20000
120
100
80
60
40
20
0
0
5000
10000
15000
Frequency [Hz]
20000
MS0953-E-01
- 11 -
2011/06
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet AK2920.PDF ] | |
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