OPA1662-Q1_16 Datasheet, PDF (7/33 Pages) Texas Instruments – Operational Amplifier

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7.7 Typical Characteristics
At T_A = 25°C, V_S = ±15 V, and R_L = 2 kΩ (unless otherwise noted)
100
100
Voltage Noise
Current Noise
10
10
OPA1662-Q1
SLOS805C – JULY 2012 – REVISED AUGUST 2016
1
1
0.1
1
0.1
10
100
1k
10k
100k
Frequency (Hz)
G001
Figure 1. Input Voltage Noise Density and Input Current
Noise Density vs Frequency
10k
E_o² = e_n² + (i_nR_S)² + 4KTR_S
1k
R_S
E_O
OPA166x
100
OPA165x
10
1
100
Resistor Noise
1k
10k
100k
1M
Source Resistance (W)
G003
Figure 3. Voltage Noise vs Source Resistance
140
180
C_L = 100pF
120
100
135
80
60
90
40
20
45
0
−20
10
Gain
Phase
100 1k
0
10k 100k 1M 10M 100M
Frequency (Hz)
G005
Figure 5. Gain and Phase vs Frequency
Time (1s/div)
G002
Figure 2. 0.1-Hz to 10-Hz Noise
15
12
V_S = ± 15 V
10
8
5
V_S = ± 5 V
2
V_S = ± 1.5 V
0
10k
100k
1M
10M
Frequency (Hz)
G004
Figure 4. Maximum Output Voltage vs Frequency
40
Gain = −1V/V
Gain = +1V/V
Gain = +10V/V
20
0
−20
1k
10k
100k
1M
10M
100M
Frequency (Hz)
G006
Figure 6. Closed-Loop Gain vs Frequency
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