TYPICAL PERFORMANCE CURVES
At T
A
= +25°C, V
S
= +5V, and R
L
= 1kΩ connected to V
S
/2, unless otherwise noted.
OPEN-LOOP GAIN/PHASE vs FREQUENCY
160
140
120
Voltage Gain (dB)
POWER SUPPLY AND COMMON-MODE
REJECTION RATIO vs FREQUENCY
0
100
90
PSRR
–45
PSRR, CMRR (dB)
80
70
60
50
40
30
20
CMRR
(V
S
= +5V
V
CM
= –0.1V to 5.1V)
80
60
G
40
20
0
0.1
1
10
100
1k
10k
φ
–90
–135
Phase (°)
100
10
–180
100k
1M
10M
100M
Frequency (Hz)
0
10
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
Channel Separation (dB)
10k
Voltage Noise (nV√Hz)
Current Noise
1k
Current Noise (fA√Hz)
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
1
10
100
1k
10k
100k
1M
Frequency (Hz)
0.1
10M
60
Frequency (Hz)
TOTAL HARMONIC DISTORTION + NOISE
vs FREQUENCY
1
R
L
= 600Ω
Harmonic Distortion (%)
HARMONIC DISTORTION + NOISE vs FREQUENCY
1
(–40dBc)
0.1
(–60dBc)
0.01
(–80dBc)
0.001
(–100dBc)
0.0001
(–120dBc) 1k
G=1
V
O
= 2.5Vp-p
R
L
= 600Ω
0.1
G = 100, 3Vp-p (V
O
= 1V to 4V)
THD+N (%)
0.01
G = 10, 3Vp-p (V
O
= 1V to 4V)
G = 1, 3Vp-p (V
O
= 1V to 4V)
Input goes through transition region
G = 1, 2.5Vp-p (V
O
= 0.25V to 2.75V)
Input does NOT go through transition region
0.001
3rd Harmonic
2nd Harmonic
0.0001
10
100
1k
Frequency (Hz)
10k
100k
10k
100k
Frequency (Hz)
1M
®
OPA350, 2350, 4350
4
BURR-BROWN [ BURR-BROWN CORPORATION ]
