TA0105A Datasheet, PDF (12/29 Pages) Tripath Technology Inc. – STEREO CLASS-T DIGITAL AUDIO AMPLIFIER DRIVER USING DIGITAL POWER PROCESSING (DPPTM ) TECHNOLOGY

Tripath Technology, Inc. - Technical Information
Typical Performance
Intermodulation Distortion
+0
-10 ^{19kHz, 20kHz 1:1}
-20
V_O = 25Vrms
VPP = |VNN| = +/-106V
-30
-40
R_L = 50Ω
32k FFT
d
B
r
-50
-60
-70
F_S = 65kHz
BW = <10Hz - 80kHz
R_FBC = 26kΩ
A ^-80
-90
-100
-110
-120
-130
-140
20 50 100 200 500 1k 2k 5k 10k 30k
Hz
Efficiency vs Output Power
100
R_L = 25Ω
90
80
R_L = 12.5Ω
70
60
50
40
30
VPP = |VNN| = +/-106V
20
THD < = 10%
f = 1kHz
10
BW = 22Hz - 20kHz(AES17)
0
0
100
200
300
400
500
600
Output Power (W)
Intermodulation Distortion
+0
-10 ^{19kHz, 20kHz 1:1}
-20
V_O = 25Vrms
VPP = |VNN| = +/-148V
-30 R_L = 50Ω
-40 ^{32k FFT}
d
-50
F_S = 65kHz
BW = <10Hz - 80kHz
B
r
-60 R_FBC = 39kΩ
-70
A _-80
-90
-100
-110
-120
-130
20 50 100 200 500 1k 2k 5k 10k 30k
Hz
100
90
80
70
60
50
40
30
20
10
0
0
Efficiency vs Output Power
R_L = 50Ω
R_L = 25Ω
VPP = |VNN| = +/-148V
THD < = 10%
f = 1kHz
BW = 22Hz - 20kHz(AES17)
100
200
300
400
500
600
Output Power (W)
Efficiency vs Output Voltage
100
Efficiency vs Output Voltage
100
90
90
80
80
70
70
60
60
50
50
40
VPP=|VNN| =+/-106V
40
VPP = |VNN| = +/-148V
30
THD < = 10%
30
THD < = 10%
20
f = 1kHz
20
BW=22Hz- 20kHz(AES17)
f = 1kHz
BW=22Hz- 20kHz(AES17)
10
R_L =12.5Ω
10
R_L =25Ω
0
0
0
10
20
30
40
50
60
70
80
90
0
20
40
60
80
100
120
Output Voltage (Vrms)
Output Voltage (Vrms)
12
TA0105A – RW/ Rev. 2.2/05.05