TYPICAL PERFORMANCE CURVES
At T
A
= +25°C, V
S
= +5V, and R
L
= 10kΩ connected to V
S
/2, unless otherwise noted.
OPEN-LOOP GAIN/PHASE vs FREQUENCY
160
140
120
–45
0
POWER SUPPLY and COMMON-MODE
REJECTION vs FREQUENCY
100
PSRR
80
100
80
60
40
20
0
–20
0.1
1
10
100
1k
10k
100k
1M
10M
Frequency (Hz)
–180
–135
–90
PSRR, CMRR (dB)
Voltage Gain (dB)
Phase (°)
60
40
CMRR
20
0
1
10
100
1k
Frequency (Hz)
10k
100k
1M
INPUT VOLTAGE AND CURRENT NOISE
SPECTRAL DENSITY vs FREQUENCY
10k
Current Noise
1k
140
CHANNEL SEPARATION vs FREQUENCY
Voltage Noise (nV√Hz)
Voltage Noise
100
10
Current Noise (fA√Hz)
1k
100
Channel Separation (dB)
130
120
10
1
110
G = 1, All Channels
1
1
10
100
1k
Frequency (Hz)
10k
100k
1M
0.1
100
10
100
1k
Frequency (Hz)
10k
100k
TOTAL HARMONIC DISTORTION + NOISE
vs FREQUENCY
0.1
R
L
= 600
Output Resistance (Ω)
5k
CLOSED-LOOP OUTPUT IMPEDANCE
vs FREQUENCY
G = 100
4k
G = 10
3k
R
L
= 2k
0.01
THD+N (%)
G = 10
R
L
= 10k
R
L
= 600
R
L
= 2k
2k
0.001
G=1
R
L
= 10k
G=1
1k
0.0001
20
100
1k
Frequency (Hz)
10k
20k
0
10
100
1k
10k
100k
1M
10M
Frequency (Hz)
®
OPA340/2340/4340
4
BURR-BROWN [ BURR-BROWN CORPORATION ]
