DRV632 Datasheet, PDF (7/23 Pages) Texas Instruments – DirectPath™, 2-VRMS Audio Line Driver With Adjustable Gain

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DRV632
SLOS681B – JANUARY 2011 – REVISED AUGUST 2015
7.7 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)
10
Active Filter
Gain = 2V/V
RL = 10 kΩ
1
10
Active Filter
Gain = 2V/V
RL = 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 and Noise vs Output
Voltage
10
Active Filter
Gain = 2V/V
RL = 10 kΩ
1
Ch1 1 Vrms
Ch1 2 Vrms
0.001
0.0001
0.1
100 Hz
1 kHz
10 kHz
1
3
Output Voltage (V)
Figure 2. Total Harmonic Distortion and Noise vs Output
Voltage
10
Active Filter
Gain = 2V/V
RL = 600 Ω
1
Ch1 1 Vrms
Ch1 2 Vrms
0.1
0.1
0.01
0.01
0.001
0.001
0.0001
20
100
1k
Frequency (Hz)
10k 20k
Figure 3. Total Harmonic Distortion and Noise vs Frequency
0
RL = 10 kΩ
VO = 1 Vrms
−20 ^VREF ^{= 1 V}
0.0001
20
100
1k
Frequency (Hz)
10k 20k
Figure 4. Total Harmonic Distortion and Noise vs Frequency
Left to Right
Right to Left
−40
−60
−80
−100
−120
−140
20
100
1k
Frequency (Hz)
10k 20k
Figure 5. Crosstalk vs Frequency
8 Parameter Measurement Information
All parameters are measured according to the conditions described in Specifications.
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