OPA689 Burr-Brown, OPA689 Datasheet - Page 7

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

TYPICAL PERFORMANCE CURVES— V
G = +6, R
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
1M
L
0.1
50
= 500 , R
V
R
O
2ND HARMONIC DISTORTION vs OUTPUT SWING
L
HARMONIC DISTORTION vs LOAD RESISTANCE
R
= 2Vp-p
= 500
L
HARMONIC DISTORTION vs FREQUENCY
= 500
F
100
= 750
Load Resistance ( )
Output Swing (Vp-p)
V
Frequency (Hz)
HD3
H
HD2
f
1
= –V
= 10MHz
L
= 2V, (Figure 1 for AC performance only), unless otherwise noted.
f
1
1.0
f
1
= 20MHz
= 1MHz
V
f
1
O
= 5MHz
= 2Vp-p
f
1
10M
= 2MHz
HD3
f
1
HD2
= 5MHz
1000
20M
5.0
7
21.6
18.6
15.6
12.6
–2.4
–5.4
–8.4
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
9.6
6.6
3.6
0.6
0.9 1.0 1.1 1.2 1.3 1.4
0.1
0.1
S
R
= 5V
HARMONIC DISTORTION NEAR LIMIT VOLTAGES
3RD HARMONIC DISTORTION vs OUTPUT SWING
L
= 500
LARGE SIGNAL FREQUENCY RESPONSE
f
1
= 1MHz
10M
f
1
(cont.)
Output Swing (Vp-p)
± Limit Voltage (V)
= 2MHz
Frequency (Hz)
f
1
G = +6
= 5MHz
OPA689
HD2
HD3
1.5 1.6
1.0
100M
f
1
0.5Vp-p
V
= 10MHz
1.7 1.8
O
f
R
1
f
= 0V
1
= 20MHz
L
= 5MHz
= 500
2Vp-p
DC
±1Vp
1.9 2.0
5.0
1G
®