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PDF IT4558 Data sheet ( Hoja de datos )
| Número de pieza | IT4558 | |
| Descripción | Dual Low Noise Operational Amplifiers | |
| Fabricantes | ETC | |
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DUAL LOW NOISE OPERATIONAL AMPLIFIERS
IT4558
General Description
Features
The IT4558 consists of two low noise, h igh perfor -
mance operational amplifiers. It is specially suitable
for applications in differential-in, differential-out as
well as in industrial measurement tools and applica-
tions where gain and phase matched channels are man-
datory.
The IC features monolithic silicon chip, internal fre-
quency compensation, low noise, low distortion, wide
operating voltage range, high gain and high bandwidth.
The IT4558 can operate under dual power supply
voltage up to ±18V or single power supply up to 36V.
· Operating voltage: ±2V ~ ±18V
· Large DC voltage gain: 110 dB
· Low input noise voltage: 1µVRMS
· Wide gain bandwidth product: 7 MHz
· Slew rate: 3V/µs
· Package outline: DIP8, SOIC8
Applications
· Audio AC-3 decoded system
· Audio amplifier
· AC/DC converter
SOIC-8
DIP-8
Figure 1. Package Types of IT4558
INFINITRUE TECHNOLOGY
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IT4558
Typical Performance Characteristics
120
110
100
90
80
70
60
50
40
30
20
10
0
1
VCC=15V, VEE=-15V
RL=2KΩ,TA=25oC
10 100 1k 10k 100k 1M 10M
Frequency (Hz)
30
25
20
15
10
VCC=15V,VEE=-15V,
5 RL=2KΩ, TA=25oC
0
101 102 103 104 105 106
Frequency (Hz)
Figure 4. Open Loop Voltage Gain vs. Frequency Figure 5. Maximum Output Voltage Swing vs. Frequency
30
28
26
24
22
20
18
16
14
12
0.1
VCC=15V,VEE=-15V
TA=25oC
1
Load Resistance (KΩ)
103
102
101
100
10 100
VCC=15V, VEE=-15V
RS=50Ω,TA=25oC
101 102
Frequency (Hz)
103
Figure 6. Maximum Output Voltage Swing
vs. Load Resistance
Figure 7. Equivalent Input Noise Voltage vs. Frequency
INFINITRUE TECHNOLOGY
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| PDF Descargar | [ Datasheet IT4558.PDF ] | |
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