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OPA2691 Datasheet(PDF) 7 Page - Texas Instruments

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Part # OPA2691
Description  Wideband, Voltage Feedback OPERATIONAL AMPLIFIER With Disable
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

OPA2691 Datasheet(HTML) 7 Page - Texas Instruments

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OPA690
7
SBOS223A
www.ti.com
TYPICAL CHARACTERISTICS: VS = ±5V (Cont.)
At TA = +25°C, G = +2, RF = 402Ω, and RL = 100Ω, (see Figure 1 for AC performance only), unless otherwise noted.
INPUT VOLTAGE AND CURRENT NOISE DENSITY
Frequency (Hz)
100
1M
100k
10k
1k
10M
100
10
1
Voltage Noise 5.5nV/
√Hz
Current Noise 3.1pA/
√Hz
2-TONE, 3RD-ORDER
INTERMODULATION SPURIOUS
Single-Tone Load Power (dBm)
–8
–6
–4
–2
024
6
8
10
–30
–35
–40
–45
–50
–55
–60
–65
–70
–75
20MHz
10MHz
50MHz
Load Power at Matched 50
Ω Load,
see Figure 1
RECOMMENDED R
S vs CAPACITIVE LOAD
Capacitive Load (pF)
10
100
1000
80
70
60
50
40
30
20
10
0
LARGE-SIGNAL DISABLE/ENABLE RESPONSE
Time (50ns/div)
2.0
1.6
1.2
0.8
0.4
0
6
4
2
0
G = +2
V
IN = +1V
V
DIS
Output Voltage
Each Channel
SO-14
Package
Only
FREQUENCY RESPONSE vs CAPACITIVE LOAD
Frequency (20MHz/div)
0
100
120
140
160
180
20
40
60
80
200
9
6
3
0
–3
–6
–9
402
Ω
1k
Ω
402
Ω
R
S
C
L
V
IN
V
OUT
OPA690
1k
Ω is optional.
C
L = 22pF
C
L = 47pF
C
L = 100pF
C
L = 10pF
G = +2
DISABLE/ENABLE GLITCH
Time (20ns/div)
30
20
10
0
–10
–20
–30
6
4
2
0
V
i = 0V
V
DIS
Output Voltage


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