OPA320 Datasheet, PDF (9/31 Pages) Texas Instruments – Precision, 20MHz, 0.9pA, Low-Noise, RRIO, CMOS Operational Amplifier with Shutdown

OPA320, OPA2320
OPA320S, OPA2320S
www.ti.com
SBOS513D – AUGUST 2010 – REVISED NOVEMBER 2011
TYPICAL CHARACTERISTICS (continued)
At T_A = +25°C, V_CM = V_OUT = mid-supply, and R_L = 10kΩ, unless otherwise noted.
INPUT VOLTAGE NOISE SPECTRAL DENSITY vs
FREQUENCY
0.1Hz TO 10Hz INPUT VOLTAGE NOISE
1000
6
V_S = 1.8V to 5.5V
5
4
100
3
2
1
10
1
10
100
1k
10k
100k
1M
Frequency (Hz)
0
-1
-2
-3
-4
0 1 2 3 4 5 6 7 8 9 10
Time (1s/div)
Figure 13.
Figure 14.
CLOSED-LOOP GAIN vs FREQUENCY
60
G = +100V/V
40
V_S = +1.8V
R_L = 10kW
C_L = 50pF
CLOSED-LOOP GAIN vs FREQUENCY
60
G = +100V/V
40
V_S = +5.5V
R_L = 10kW
C_L = 50pF
20
0
-20
10k
G = +10V/V
G = +1V/V
100k
1M
10M
Frequency (Hz)
Figure 15.
100M
MAXIMUM OUTPUT VOLTAGE vs FREQUENCY
6
5.5V_S
5
4
3.3V_S
3
2
1.8V_S
1 _{RL = 10kW}
C_L = 50pF
0
10k
100k
1M
10M
Frequency (Hz)
Figure 17.
20
G = +10V/V
0
G = +1V/V
-20
10k
100k
1M
10M
Frequency (Hz)
Figure 16.
100M
OUTPUT VOLTAGE SWING vs OUTPUT CURRENT
(MSOP-8)
3
2
1
-40°C
0
+25°C
+125°C
-1
-2
-3
0
V_S = ±2.75 V
10 20 30 40 50 60 70 80
Output Current (mA)
Figure 18.
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