OPA340-EP Datasheet, PDF (5/17 Pages) Texas Instruments – SINGLE-SUPPLY RAIL-TO-RAIL OPERATIONAL AMPLIFIERS

OPA340-EP
OPA2340-EP
OPA4340-EP
www.ti.com ................................................................................................................................................................................................ SBOS433 – AUGUST 2008
TYPICAL CHARACTERISTICS
At T_A = 25°C, V_S = 5 V, and R_L = 10 kΩ connected to V_S/2 (unless otherwise noted)
160
140
120
100
80
60
40
20
0
-20
0.1
10k
1k
100
OPEN-LOOP GAIN/PHASE
vs FREQUENCY
0
-45
-90
-135
-180
1 10 100 1k 10k 100k 1M 10M
Frequency (Hz)
Figure 1.
INPUT VOLTAGE AND CURRENT NOISE
SPECTRAL DENSITY vs FREQUENCY
1k
Current Noise
100
Voltage Noise
10
POWER-SUPPLY AND COMMON-MODE REJECTION
vs FREQUENCY
100
PSRR
80
60
40
CMRR
20
0
1
10
100
1k
10k
100k
1M
Frequency (Hz)
Figure 2.
CHANNEL SEPARATION vs FREQUENCY
140
130
120
10
1
1
0.1
1
10
100
1k
10k
100k
1M
Frequency (Hz)
Figure 3.
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION + NOISE
vs FREQUENCY
G = 10
G=1
R_L = 600
R_L = 2kW
R_L = 600
R_L = 10kW
R_L = 2kW
R_L = 10kW
0.0001
20
100
1k
Frequency (Hz)
Figure 5.
10k 20k
110
G = 1, All Channels
100
10
100
1k
10k
Frequency (Hz)
Figure 4.
100k
CLOSED-LOOP OUTPUT IMPEDANCE
vs FREQUENCY
5k
G = 100
4k
G = 10
3k
2k
G=1
1k
0
10
100
1k
10k 100k
1M
10M
Frequency (Hz)
Figure 6.
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