TAS5614LA_14 Datasheet, PDF (12/32 Pages) Texas Instruments – 150-W Stereo / 300-W Mono PurePath™ HD Digital-Input Class-D Power Stage

TAS5614LA
SLAS846 – MAY 2012
www.ti.com
TYPICAL CHARACTERISTICS, BTL CONFIGURATION (continued)
Measurement conditions are: 1kHz, PVDD_X = 36 V, GVDD_X = 12 V, R_L = 4Ω, f_S = 384 kHz, R_OC = 24 kΩ, T_C = 75°C,
Output Filter: L_DEM = 10 μH, C_DEM = 1 µF, 20Hz to 20kHz BW (AES17 low pass filter), unless otherwise noted.
SYSTEM EFFICIENCY vs
OUTPUT POWER
SYSTEM POWER LOSS vs
OUTPUT POWER
100
95
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
5
0
0
4Ω
8Ω
T_C = 75°C
100
200
300
2 Channel Output Power − W
Figure 5.
400
G005
45
40
35
30
25
20
15
10
5
0
0
4Ω
8Ω
T_C = 75°C
100
200
300
2 Channel Output Power − W
Figure 6.
400
G006
OUTPUT POWER vs
TEMPERATURE
200
180
160
140
120
100
80
60
40
20
4Ω
8Ω
THD+N at 10%
0
−10 0 10 20 30 40 50 60 70 80 90 100 110
TC − Case Temperature − °C
G007
Figure 7.
NOISE AMPLITUDE vs
FREQUENCY
0
−10 ^TC ^{= 75°C}
4Ω
−20 ^{VREF = 22.5 V}
−30 ^{Sample Rate = 48kHz}
−40 ^{FFT Size = 16384}
−50
−60
−70
−80
−90
−100
−110
−120
−130
−140
−150
−160
−170
−180
−190
−200
0 2k 4k 6k 8k 10k 12k 14k 16k 18k 20k 22k 24k
f − Frequency − Hz
G008
Figure 8.
12
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