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OPA842 Fiches technique(PDF) 6 Page - Texas Instruments

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No de pièce OPA842
Description  Wideband, Low Distortion, Unity-Gain Stable, Voltage-Feedback OPERATIONAL AMPLIFIER
Download  19 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

OPA842 Fiches technique(HTML) 6 Page - Texas Instruments

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OPA842
6
SBOS267A
www.ti.com
TYPICAL CHARACTERISTICS: V
S = ±5V (Cont.)
At TA = 25°C, G = +2, RF = 402Ω, and RL = 100Ω, unless otherwise noted.
INPUT VOLTAGE AND CURRENT NOISE
Frequency (Hz)
102
103
104
105
106
107
100
10
1
Current Noise
Voltage Noise
2.7pA/
√Hz
2.6nV/
√Hz
2-TONE, 3RD-ORDER
INTERMODULATION INTERCEPT
Frequency (MHz)
20
15
10
25
30
35
40
45
50
5
50
45
40
35
30
25
20
402
402
OPA842
50
50
50
P
I
P
O
RECOMMENDED R
S vs CAPACITIVE LOAD
Capacitive Load (pF)
1
10
100
1k
100
10
1
FREQUENCY RESPONSE vs CAPACITIVE LOAD
Frequency (MHz)
10
100
500
3
0
–3
–6
–9
–12
–15
–18
C = 10pF
C = 22pF
C = 47pF
C = 100pF
R
S
50
1k
V
I
V
O
C
L
402
402
OPA842
GAIN = +1 FLATNESS
Frequency (25MHz/div)
0
25
50
200
75
100
125
150
175
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
–0.6
V
O = 0.1Vp-p
R
F = 25Ω
R
L = 100Ω
PULSE RESPONSE G = +1
Time (2ns/div)
200
100
0
–100
–200
1.2
0.8
0.4
0
–0.4
–0.8
–1.2
Right Scale
Large Signal
± 1V
Small Signal
Left Scale


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