OPA1641-Q1 Datasheet, PDF (7/31 Pages) Texas Instruments – SoundPlus JFET-Input, Automotive-Grade, Audio Operational Amplifiers

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OPA1641-Q1, OPA1642-Q1
SBOS791 – JUNE 2017
6.6 Typical Characteristics
at T_A = 25°C, R_L = 2 kΩ connected to midsupply, and V_CM = V_OUT = midsupply (unless otherwise noted)
100
10
1
0.1
1
10
100
1k
10k
100k
Frequency (Hz)
Figure 1. Input Voltage Noise Density vs Frequency
35
30
V_S = ±15 V
25
Maximum Output
Voltage Range
Without Slew-Rate
Induced Distortion
20
15
10
V_S = ±5 V
5
V_S = ±2.25 V
0
10k
100k
1M
10M
Frequency (Hz)
Figure 3. Maximum Output Voltage vs Frequency
140
120
100
80
60
40
20
0
-20
50 100
Gain
Phase
1k
10k 100k 1M
Frequency (Hz)
180
135
90
45
0
10M 100M
Figure 5. Gain and Phase vs Frequency
Time (1 s/div)
160
140
120
100
80
60
40
20
0
1
Figure 2. 0.1-Hz to 10-Hz Noise
CMRR
+PSRR
–PSRR
10 100 1k 10k 100k 1M 10M 100M
Frequency (Hz)
Figure 4. CMRR and PSRR vs Frequency
(Referred to Input)
30
20
G = +10
10
G = +1
0
–10
–20
100k
G = –1
1M
10M
Frequency (Hz)
100M
Figure 6. Closed-Loop Gain vs Frequency
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