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OPA644 Fiches technique(PDF) 6 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation.
No de pièce OPA644
Description  Low Distortion Current Feedback OPERATIONAL AMPLIFIER
Download  13 Pages
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Fabricant  BURR-BROWN [Burr-Brown (TI)]
Site Internet  http://www.burr-brown.com
Logo BURR-BROWN - Burr-Brown (TI)

OPA644 Fiches technique(HTML) 6 Page - Burr-Brown (TI)

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®
OPA644
6
LARGE SIGNAL TRANSIENT RESPONSE
(G = +2, R
L = 100Ω)
Time (5ns/Div)
2.0
1.6
1.2
0.8
0.4
0
–0.4
–0.8
–1.2
–1.6
–2.0
FEEDBACK RESISTOR
vs GAIN FOR OPTIMUM BANDWIDTH
8
7
6
5
4
3
2
1
0
10
100
1k
50
500
Feedback Resistance (
Ω)
G = +10V/V CLOSED-LOOP
SMALL SIGNAL BANDWIDTH
29
26
23
20
17
14
11
8
5
1M
10M
100M
1G
0
–45
–90
–135
Frequency (Hz)
Gain
Closed-Loop Phase
Bandwidth
= 144MHz
G = +5V/V CLOSED-LOOP
SMALL SIGNAL BANDWIDTH
20
17
14
11
8
5
2
1M
10M
100M
1G
0
–45
–90
–135
Frequency (Hz)
Gain
Closed-Loop Phase
Bandwidth
= 181MHz
G = +2V/V CLOSED-LOOP
SMALL SIGNAL BANDWIDTH
15
12
9
6
3
0
–3
–6
–9
–12
1M
10M
100M
1G
0
–45
–90
–135
–180
Frequency (Hz)
Gain
Closed-Loop Phase
Bandwidth
= 335MHz
G = +1V/V CLOSED-LOOP
SMALL SIGNAL BANDWIDTH
9
6
3
0
–3
–6
–9
–12
–15
–18
–21
1M
10M
100M
1G
10G
Frequency (Hz)
–180
–225
–270
–315
–360
Gain
Closed-Loop Phase
Bandwidth
= 558MHz
TYPICAL PERFORMANCE CURVES (CONT)
At TA = +25°C, VS = ±5V, RL = 100Ω, CL = 2pF, RFB = 402Ω and all four power supply pins are used, unless otherwise noted. RFB = 25Ω for a gain of +1.


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