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TPA3137D2 Datasheet, PDF (9/35 Pages) Texas Instruments – TPA3137D2 6-W Inductor Free Stereo (BTL) Class-D Audio Amplifier with Ultra Low EMI
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TPA3137D2
SLOS956A – JUNE 2016 – REVISED JUNE 2016
Typical Characteristics (continued)
All Measurements taken at 26dB closed loop gain, 1-kHz audio, T A= 25°C unless otherwise noted. Measurements were
made with AES17 filter using the TPA3137D2 EVM, which is available at ti.com.
100
0
90
-10
Ch 2 to Ch1
Ch 1 to Ch2
80
-20
-30
70
-40
60
-50
50
-60
40
30
20
PVcc = 6V
10
PVcc = 13V
PVcc = 14.4V
0
0 2.5 5 7.5 10 12.5 15 17.5 20 22.5 25
Output Power (W)
D009
AVCC=PVCC= 6 V, 13 V, 14.4 V, Load = 8 Ω + 66 µH
-70
-80
-90
-100
-110
-120
20 50 100 200 500 1k 2k 5k 10k 20k
Frequency (Hz)
D010
AVCC=PVCC = 12 V, 1 W, Load = 6 Ω + 47 µH
Figure 9. Efficiency vs Output Power (BTL)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
20
50 100 200 500 1k 2k
Frequency (Hz)
AVCC=PVCC = 12 V, Load = 4 Ω + 33 µH
5k 10k 20k
D011
Figure 10. Crosstalk vs Frequency (BTL)
10
5
1W
2.5 W
2
5W
1
0.5
0.2
0.1
0.05
0.02
0.01
0.005
0.002
0.001
20
50 100 200 500 1k 2k
5k 10k 20k
Frequency (Hz)
D012
AVCC=PVCC = 13 V, Load = 4 Ω + 33 µH, 1 W, 2.5 W, 5 W
Figure 11. Supply Ripple Rejection Ratio vs Frequency
(BTL)
10
20 Hz
5
1 kHz
3
2
1
0.5
0.3
0.2
0.1
0.05
0.03
0.02
0.01
10m 20m 50m 100m 200m 500m 1 2
5
Output Power (W)
AVCC=PVCC = 13 V, Load = 4 Ω + 33 µH, 20 Hz, 1 kHz
12
D013
Figure 12. Total Harmonic Distortion + Noise vs Frequency
(PBTL)
32
28
24
20
16
12
8
4
0
4 5 6 7 8 9 10 11 12 13 14 15
Supply Voltage (V)
D014
AVCC=PVCC = 4.5 V to 14.4 V, Load = 4 Ω + 33 µH
Figure 13. Total Harmonic Distortion + Noise vs Output
Power (PBTL)
Figure 14. Output Power vs Supply Voltage (PBTL)
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