Datasheet

OPA843
9
SBOS268C
www.ti.com
TYPICAL CHARACTERISTICS: V
S
= ±5V (Cont.)
T
A
= +25°C, G
D
= 10, R
F
= 1kΩ, R
G
= 100Ω, and R
L
= 100Ω, unless otherwise noted.
OPA843
OPA843
R
G
100Ω
R
F
+5V
R
G
100Ω
R
L
V
I
R
F
V
O
–5V
+5V
–5V
G
D
=
R
F
100Ω
DIFFERENTIAL SMALL-SIGNAL
FREQUENCY RESPONSE
Frequency (MHz)
1 10010 1k
Normalized Gain (dB)
3
0
–3
–6
–9
–12
–15
–18
V
O
= 400mVp-p
G
D
= 5
G
D
= 16
G
D
= 10
G
D
= 32
DIFFERENTIAL LARGE-SIGNAL
FREQUENCY RESPONSE
Frequency (MHz)
10 100 200
Gain (dB)
23
20
17
14
11
8
G
D
= 10V/V
V
O
= 400mVp-p to 5Vp-p
V
O
= 8Vp-p
DIFFERENTIAL DISTORTION vs LOAD RESISTANCE
Load Resistance (Ω)
10 100 1k
Harmonic Distortion (dBc)
–70
–75
–80
–85
–90
–95
–100
–105
–110
V
O
= 4Vp-p
G
D
= 10
F = 5MHz
2nd-Harmonic
3rd-Harmonic
DIFFERENTIAL DISTORTION vs FREQUENCY
Frequency (Hz)
11020
Gain (dB)
–60
–70
–80
–90
–100
–110
V
O
= 4Vp-p
G
D
= 10
R
L
= 400Ω
2nd-Harmonic
3rd-Harmonic
DIFFERENTIAL DISTORTION vs OUTPUT VOLTAGE
Output Voltage Swing (Vp-p)
Harmonic Distortion (dBc)
101
–80
–85
–90
–95
–100
–105
–110
–115
G
D
= 10
R
L
= 400Ω
F = 5MHz
2nd-Harmonic
3rd-Harmonic
DIFFERENTIAL PERFORMANCE
TEST CIRCUIT