Datasheet

HARMONIC DISTORTION vs NONINVERTING GAIN
Gain (V/V)
Harmonic Distortion (dBc)
101
−
50
−
60
−
70
−
80
−
90
−
100
V
O
= 2V
PP
f = 1MHz
R
L
= 200
Ω
3rd−Harmonic
2nd−Harmonic
HARMONIC DISTORTION vs INVERTING GAIN
Gain (V/V)
Harmonic Distortion (dBc)
101
−
50
−
60
−
70
−
80
−
90
−
100
V
O
= 2V
PP
f = 1MHz
R
L
= 200
Ω
3rd−Harmonic
2nd−Harmonic
HARMONIC DISTORTION vs FREQUENCY
Frequency (Hz)
Harmonic Distortion (dBc)
10M1M100k
−
50
−
60
−
70
−
80
−
90
−
100
G = +1
V
O
= 2V
PP
R
L
= 200
Ω
V
CM
= 1.5V
3rd−Harmonic
2nd−Harmonic
HARMONIC DISTORTION vs LOAD RESISTANCE
R
L
(Ω)
Harmonic Distortion (dBc)
1k100
−
50
−
60
−
70
−
80
−
90
−
100
G = +1
V
O
= 2V
PP
f = 1MHz
V
CM
= 1.5V
3rd−Harmonic
2nd−Harmonic
FREQUENCY RESPONSE FOR VARIOUS R
L
Frequency (Hz)
Normalized Gain (dB)
10M1M 100M 1G100k
3
0
−
3
−
6
−
9
−
12
−
15
R
L
= 10k
Ω
R
L
= 100
Ω
R
L
= 1k
Ω
R
L
= 50
Ω
G = +1
R
F
= 0
Ω
V
O
= 0.1V
PP
C
L
= 0pF
INPUT VOLTAGE AND CURRENT NOISE
SPECTRAL DENSITY vs FREQUENCY
Frequency (Hz)
Voltage Noise (nV/
√
Hz),
Current Noise (fA/
√
Hz)
100M10 100 1k 10k 100k 1M 10M
10k
1k
100
10
1
Current Noise
Voltage Noise
OPA354-Q1
OPA2354-Q1
SBOS492A –JUNE 2009–REVISED AUGUST 2009....................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS (continued)
T
A
= 25°C, V
S
= 5 V, R
F
= 0 Ω, R
L
= 1 kΩ connected to V
S
/2 (unless otherwise noted)
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