TPA3251 Datasheet, PDF (12/39 Pages) Texas Instruments – 350W Mono PurePath Ultra-HD Analog-Input Class-D Amplifier

TPA3251
SLASE40D – MAY 2015 – REVISED APRIL 2016
www.ti.com
7.10 Typical Characteristics, SE Configuration
All Measurements taken at audio frequency = 1 kHz, PVDD_X = 36 V, GVDD_X = 12 V, R_L = 3 Ω, f_S = 600 kHz, R_OC = 22 kΩ,
T_C = 75°C, Output Filter: L_DEM = 15 μH, C_DEM = 680 nF, MODE = 11, AES17 + AUX-0025 measurement filters, unless
otherwise noted.
10
2:
3:
4:
1
10
1W
10W
30W
1
T_C = 75qC
0.1
0.1
0.01
T_C = 75qC
0.001
10m
100m
1
10
Po - Output Power - W
R_L = 2Ω, 3Ω, 4Ω
T_C = 75°C
100
D010
Figure 10. Total Harmonic Distortion+Noise vs Output
Power
10
1W
10W
30W
1
T_C = 75qC
0.1
0.01
0.001
20
100
1k
f - Frequency - Hz
R_L = 3Ω P = 1W, 10W, 30W
AUX-0025 filter, 80 kHz analyzer BW
10k
40k
D012
T_C = 75°C
Figure 12. Total Harmonic Distortion+Noise vs Frequency
80
2:
3:
4:
60
0.01
0.001
20
100
1k
f - Frequency - Hz
R_L = 3Ω P = 1W, 10W, 30W
10k 20k
D011
T_C = 75°C
Figure 11. Total Harmonic Distortion+Noise vs Frequency
100
2:
3:
80
4:
60
40
20
0
10
15
R_L = 2Ω, 3Ω, 4Ω
THD+N = 10%
T_C = 75qC
20
25
30
35
40
PVDD - Supply Voltage - V
D013
THD+N = 10%
T_C = 75°C
Figure 13. Output Power vs Supply Voltage
100
75
40
50
20
0
10
15
R_L = 2Ω, 3Ω, 4Ω
THD+N = 1%
T_C = 75qC
20
25
30
35
40
PVDD - Supply Voltage - V
D014
THD+N = 1%
T_C = 75°C
Figure 14. Output Power vs Supply Voltage
25
2:
3:
4:
0
0
R_L = 2Ω, 3Ω, 4Ω
THD+N = 10%
25
50
75
T_C - Case Temperature - qC
THD+N = 10%
100
D015
T_C = 75°C
Figure 15. Output Power vs Case Temperature
12
Submit Documentation Feedback
Product Folder Links: TPA3251
Copyright © 2015–2016, Texas Instruments Incorporated