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OPA642U Datasheet(PDF) 4 Page - Texas Instruments

Part # OPA642U
Description  Wideband, Low Distortion, Low Gain OPERATIONAL AMPLIFIER
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

OPA642U Datasheet(HTML) 4 Page - Texas Instruments

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4
®
OPA642
TYPICAL PERFORMANCE CURVES
At TA = +25°C, VS = ±5V, RL = 100Ω, RF = 402Ω, G = +2, unless otherwise noted. RF = 25Ω for a gain of +1.
SMALL SIGNAL TRANSIENT RESPONSE
(G = +1, R
L = 100Ω)
Time (5ns/div)
200
160
120
80
40
0
–40
–80
–120
–160
–200
LARGE SIGNAL TRANSIENT RESPONSE
(G = +1, R
L = 100Ω)
Time (5ns/div)
2.0
1.6
1.2
0.8
0.4
0
–0.4
–0.8
–1.2
–1.4
–2.0
LARGE SIGNAL FREQUENCY RESPONSE
Frequency
0.5MHz
10MHz
100MHz
500MHz
12
9
6
3
0
–3
–9
–12
–15
–18
–21
G = +2
V
O = 1Vp-p
V
O = 2Vp-p
V
O = 4Vp-p
R
S vs CAPACITIVE LOAD
Capacitive Load (pF)
10
1
100
30
25
20
15
10
5
0
SMALL SIGNAL FREQUENCY RESPONSE
Frequency
0.5MHz
10MHz
100MHz
500MHz
6
3
0
–3
–6
–9
–12
–15
–18
–21
–24
V
O = 0.1Vp-p
G = +1
G = +2
G = +5
G = +10
FREQUENCY RESPONSE vs CAPACITIVE LOAD
Frequency (20MHz/div)
100MHz
0
200MHz
12
9
6
3
0
–3
–6
–9
–12
–15
–18
C
L = 10pF
G = +2
C
L = 22pF
C
L = 47pF
1k
Ω
402
Ω
(1k
Ω is optional)
402
Ω
OPA642
R
S
C
L
V
IN
V
O
C
L = 100pF


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