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OPA350
OPA2350
OPA4350
SBOS099C − SEPTEMBER 2000 − REVISED JANUARY 2005
TYPICAL CHARACTERISTICS
All specifications at TA = +25°C, VS = +5V, and RL = 1kΩ connected to VS/2, unless otherwise noted.
OPEN-LOOP GAIN/PHASE vs FREQUENCY
160
140
Voltage Gain (dB)
120
100
80
60
G
40
20
0
0.1
1
10
100
1k
10k 100k
Frequency (Hz)
1M
−
180
10M 100M
−
135
φ
−
90
PSRR, CMRR (dB)
−
45
Phase (
_
)
0
100
90
80
70
60
50
40
30
20
10
0
10
POWER SUPPLY AND COMMON−
MODE
REJECTION RATIO vs FREQUENCY
PSRR
CMRR
(V
S
= +5V
V
CM
=
−0.1V
to 5.1V)
100
1k
10k
100k
1M
10M
Frequency (Hz)
INPUT VOLTAGE AND CURRENT NOISE
SPECTRAL DENSITY vs FREQUENCY
100k
10k
CHANNEL SEPARATION vs FREQUENCY
140
130
10k
Voltage Noise (nV√Hz)
Current Noise
1k
Current Noise (fA√Hz)
Channel Separation (dB)
120
110
100
90
80
70
Dual and quad devices.
10
100
1k
10k
100k
1M
10M
1k
Voltage Noise
100
100
10
10
1
0.1
10M
1
10
100
1k
10k
100k
1M
Frequency (Hz)
60
Frequency (Hz)
TOTAL HARMONIC DISTORTION + NOISE
vs FREQUENCY
1
R
L
= 600Ω
Harmonic Distortion (%)
0.1
THD+N (%)
G = 100, 3V
PP
(V
O
= 1V to 4V)
HARMONIC DISTORTION + NOISE vs FREQUENCY
1
(−40dBc)
0.1
(−60dBc)
0.01
(−80dBc)
0.001
(−100dBc)
0.0001
(−120dBc) 1k
G=1
V
O
= 2.5V
PP
R
L
= 600Ω
0.01
G = 10, 3V
PP
(V
O
= 1V to 4V)
G = 1, 3V
PP
(V
O
= 1V to 4V)
Input goes through transition region
G = 1, 2.5V
PP
(V
O
= 0.25V to 2.75V)
Input does NOT go through transition region
0.001
3rd−Harmonic
2nd−Harmonic
10k
100k
Frequency (Hz)
1M
0.0001
10
100
1k
Frequency (Hz)
10k
100k
5
BURR-BROWN [ BURR-BROWN CORPORATION ]
