OPA646U BURR-BROWN [Burr-Brown Corporation], OPA646U Datasheet - Page 12

• Manufacturer Part Number: OPA646U
• Description: Low Power, Wide Bandwidth OPERATIONAL AMPLIFIER
• Manufacturer: BURR-BROWN [Burr-Brown Corporation]

APPLICATIONS
FIGURE 8. Low Power Video Amplifier.
FIGURE 9. High-Q 1MHz Bandpass Filter.
FIGURE 11. Differential Line Driver for 50 or 75 Systems.
V
IN
Differential
15.8k
Input
R
1
Video
Input
®
OPA646
R
158
C
1000pF
2
1
OPA646
1000pF
C
50
or
75
50
or
75
2
390
f
BW = 20kHz at –3dB
Q
C
806
OPA646
R
2k
Differential Voltage Gain = 2V/V = 1 + 2R
R
158
G
= 1MHz
= 50
R
2k
4
R
5
3
75
OPA646
OPA646
402
402
OPA646
R
R
390
F
F
V
OUT
50 or 75
50 or 75
12
FIGURE 10. Low Power, Wideband FET Input Op Amp.
75
(–)
(+)
NOTE: (1) Select J
R
optimum performance.
2
F
to set input stage current for
/R
G
75 Transmission Line
Transmission Line
Transmission Line
50 or 75
50 or 75
(1)
D
S
(1)
2N5911
2k
J
1
1
, J
R
1
2
and R
(1)
J
D
S
2
1
(1)
,
2k
R
2
50
or
75
50
or
75
75
Input Bias Current: 1pA
3
2
OPA646
4
7
Differential
V
Output
OUT
6
V
+5V
–5V
OUT