OPA686 Burr-Brown, OPA686 Datasheet - Page 6

• Manufacturer Part Number: OPA686
• Description: Wideband / Low Noise / Voltage Feedback OPERATIONAL AMPLIFIER
• Manufacturer: Burr-Brown

TYPICAL PERFORMANCE CURVES: V
At T
A
–50
–60
–70
–80
–90
= +25 C, G = +10, R
10
60
50
40
30
20
10
1
0
100
1
1
V
R
O
L
INPUT VOLTAGE and CURRENT NOISE DENSITY
= 2Vp-p
= 100
2nd HARMONIC DISTORTION vs FREQUENCY
®
OPA686
1k
Current Noise
Voltage Noise
F
R
= 453 , and R
S
Capacitive Load (pF)
vs CAPACITIVE LOAD
Frequency (MHz)
10k
Frequency (Hz)
G = +50
G = +10
10
L
100k
= 100 , unless otherwise noted. See Figure 1.
G = +20
1.8pA/ Hz
1.3nV/ Hz
10
1M
10M
100
20
6
–50
–60
–70
–80
–90
50
45
40
35
30
25
20
15
22
21
20
19
18
17
16
15
14
13
12
0
S
1
0
1
V
P
V
R
= 5V
I
IN
O
50
L
FREQUENCY RESPONSE vs CAPACITIVE LOAD
= 2Vp-p
= 100
5
3rd HARMONIC DISTORTION vs FREQUENCY
TWO-TONE, 3rd-0RDER INTERMODULATION
50
OPA686
453
10
50
OPA686
453
INTERCEPT vs FREQUENCY
1k
15
R
C
is optional
S
L
10
Frequency (MHz)
Frequency (MHz)
Frequency (MHz)
20
50
1k
25
50
P
V
O
O
C
L
= 50pF
C
30
L
G = +50
= 100pF
35
C
100
L
10
= 10pF
40
G = +10
C
G = +20
L
45
= 20pF
500
50
20