OPA644U BURR-BROWN [Burr-Brown Corporation], OPA644U Datasheet - Page 6

• Manufacturer Part Number: OPA644U
• Description: Low Distortion Current Feedback OPERATIONAL AMPLIFIER
• Manufacturer: BURR-BROWN [Burr-Brown Corporation]

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