TA0102A Datasheet, PDF (8/12 Pages) Tripath Technology Inc. – STEREO 150W (4Ω) CLASS-T DIGITAL AUDIO AMPLIFIER DRIVER USING DIGITAL POWER PROCESSING (DPPTM) TECHNOLOGY

Tripath Technology, Inc. - Technical Information
Typical Performance
THD+N versus Output Power
versus Supply Voltage
10
20Hz - 22kHz BW
f = 1kHz
R_L = 8Ω
BBM = 25nS
Av = 14.8
ST STP19NB20 MOSFET
1
27V
0.1
33.75V 50V
THD+N versus Output Power
versus Supply Voltage
10
20Hz - 22kHz BW
f = 1kHz
BBM = 25nS
Av = 14.8
ST STP19NB20 MOSFET
1
R_L = 4Ω
27V
33.75V 50V
0.1
0.01
1
10
100
Output Power (W)
1000
0.01
1
10
100
1000
Output Power (W)
Intermodulation Performance
+10
10Hz - 80kHz BW
+0 ^{19kHz, 20kHz, 1:1}
BBM = 25nS
-10
Pout = 20W/Channel
V_S = +/-33.75V
0dBr = 13Vrms
-20 _{Av = 14.8}
ST STP19NB20 MOSFET
-30
R_L = 8Ω
-40
-50
-60
-70
-80
-90
-100
60 100
200
500
1k
2k
5k
Frequency (Hz)
10k
20k 30k
A-Weighted Noise FFT
+0
20Hz - 22kHz BW
-10 _{BBM = 25nS}
-20
Pout = 0
V_S = +/-33.75V
-30 ^RL ^{= 4Ω}
Av = 14.8
-40 ST STP19NB20 MOSFET
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
20
50
100 200
500
1k
2k
Frequency (Hz)
5k
10k 20k
Intermodulation Performance
+10
10Hz - 80kHz BW
+0 ^{19kHz, 20kHz, 1:1}
BBM = 25nS
-10
Pout = 30W/Channel
V_S = +/-33.75V
0dBr = 11Vrms
-20 _{Av = 14.8}
ST STP19NB20 MOSFET
-30
R_L = 4Ω
-40
-50
-60
-70
-80
-90
-100
60 100
200
500
1k
2k
Frequency (Hz)
5k
10k
Channel Separation versus Frequency
20k 30k
+0
20Hz - 22kHz BW
-10
BBM = 25nS
Pout = 30W/Channel @ 4Ω
Pout = 20W/Channel @ 8Ω
-20 V_S = +/-33.75V
Av = 14.8
-30 ^{ST STP19NB20 MOSFET}
-40
-50
-60
-70
4Ω
-80
8Ω
-90
-100
20
50
100
200
500
1k
2k
Frequency (Hz)
5k
10k 20k
8
TA0102A, Rev. 3.1/06.01