DRV632PW Datasheet, PDF (6/19 Pages) Texas Instruments – DirectPath™, 2-VRMS Audio Line Driver With Adjustable Gain

DRV632
SLOS681A – JANUARY 2011 – REVISED JULY 2013
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TYPICAL CHARACTERISTICS
VDD = 3.3 V , T_A = 25°C, C_(PUMP) = C_(VSS) = 1 µF , C_IN = 2.2 µF, R_IN = 15 kΩ, R_fb = 30 kΩ, R_OUT = 32 Ω, C_OUT = 1 nF (unless
otherwise noted)
TOTAL HARMONIC DISTORTION + NOISE
vs
OUTPUT VOLTAGE
10
Active Filter
Gain = 2V/V
R_L = 10 kΩ
1
TOTAL HARMONIC DISTORTION + NOISE
vs
OUTPUT VOLTAGE
10
Active Filter
Gain = 2V/V
R_L = 600Ω
1
0.1
0.1
0.01
0.01
0.001
0.0001
0.1
100 Hz
1 kHz
10 kHz
1
3
Output Voltage (V)
Figure 1.
TOTAL HARMONIC DISTORTION + NOISE
vs
FREQUENCY
10
Active Filter
Ch1 1 Vrms
Gain = 2V/V
R_L = 10 kΩ
Ch1 2 Vrms
1
0.001
0.0001
0.1
100 Hz
1 kHz
10 kHz
1
3
Output Voltage (V)
Figure 2.
TOTAL HARMONIC DISTORTION + NOISE
vs
FREQUENCY
10
Active Filter
Ch1 1 Vrms
Gain = 2V/V
R_L = 600 Ω
Ch1 2 Vrms
1
0.1
0.1
0.01
0.01
0.001
0.001
0.0001
20
100
1k
Frequency (Hz)
Figure 3.
10k 20k
0.0001
20
100
1k
Frequency (Hz)
Figure 4.
10k 20k
6
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