OPA643 Burr-Brown, OPA643 Datasheet - Page 6

• Manufacturer Part Number: OPA643
• Description: Wideband Low Distortion / High Gain OPERATIONAL AMPLIFIER
• Manufacturer: Burr-Brown

TYPICAL PERFORMANCE CURVES
At T
A
100
90
80
70
60
50
40
30
20
10
= +25 C, V
–100
100
0
–40
–50
–60
–70
–80
–90
10
10
1
10
2
0.1
2
V
INPUT VOLTAGE AND CURRENT NOISE DENSITY
O
S
10
®
2ND HARMONIC DISTORTION vs FREQUENCY
= 5V, R
= 2Vp-p
3
OPA643
10
OPEN-LOOP GAIN AND PHASE
3
10
L
4
= 100 , R
Frequency (Hz)
1
Frequency (MHz)
10
10
Frequency (Hz)
5
4
Voltage Noise
Current Noise
F
G = 20
= 402 , unless otherwise noted.
10
6
10
5
10
7
10
2.5pA/ Hz
2.3nV/ Hz
10
6
10
8
G = 5
G = 10
10
10
9
0
–30
–60
–90
–120
–150
–180
–210
–240
–270
–300
20
7
6
(CONT)
–0.002
–0.004
–0.006
0.004
0.002
0.000
0.015
0.010
0.005
0.000
–100
–40
–50
–60
–70
–80
–90
55
50
45
40
35
30
25
0.1
0
P
i
V
50
0
0
3RD HARMONIC DISTORTION vs FREQUENCY
O
5
= 2Vp-p
100
OPA643
402
10
INTERMODULATION INTERCEPT
TWO-TONE, THIRD ORDER
15
50
1
Frequency (MHz)
Frequency (MHz)
20
50
DC Offset (V)
P
DC Offset (V)
O
25
0.7
0.7
30
G = 10
35
40
10
G = 20
45
G = 5
50
20
1.4
1.4