OPA689 Burr-Brown, OPA689 Datasheet - Page 8

• Manufacturer Part Number: OPA689
• Description: Wideband / High Gain VOLTAGE LIMITING AMPLIFIER
• Manufacturer: Burr-Brown

TYPICAL PERFORMANCE CURVES— V
G = +6, R
–12
–15
–18
–21
–24
–10
–20
50
45
40
35
30
25
20
15
10
60
50
40
30
20
10
–3
–6
–9
0
6
3
0
5
0
10k
1M
L
1
= 500 , R
0.7V
V
LIMITER SMALL-SIGNAL FREQUENCY RESPONSE
O
DC
= 0.02Vp-p
®
OPEN-LOOP FREQUENCY RESPONSE
OPA689
100k
125
V
F
O
= 750
= 0.5Vp-p
V
150
R
H
10M
= 0.02Vp-p + 2.0V
S
10
750
Capacitive Load (pF)
vs CAPACITIVE LOAD
Phase
V
1M
Frequency (Hz)
Frequency (Hz)
H
8
= –V
L
V
= 2V, (Figure 1 for AC performance only), unless otherwise noted.
DC
O
10M
Gain
100M
100
100M
1000
1G
1G
0
–30
–60
–90
–120
–150
–180
–210
–240
8
21.6
18.6
15.6
12.6
–2.4
–5.4
–8.4
–30
–35
–40
–45
–50
–55
–60
–65
–70
–75
–80
9.6
6.6
3.6
0.6
100
1M
0.1
10
S
1
V
100
IN
V
O
Current Noise
= 5V
FREQUENCY RESPONSE vs CAPACITIVE LOAD
125
= 0.5Vp-p
150
OPA689
750
1k
1k
is optional
LIMITER FEEDTHROUGH
C
C
10M
L
L
Voltage Noise
(cont.)
= 100pF
= 1000pF
R
INPUT NOISE DENSITY
1k
S
Frequency (Hz)
Frequency (Hz)
10k
Frequency (Hz)
C
L
V
O
10M
125
100k
100M
150
V
H
750
= 0.02Vp-p + 2V
8
C
1M
L
C
4.6nV/ Hz
2.0pA/ Hz
= 10pF
L
= 0
DC
V
O
50M
1G
10M