TA2022 Datasheet, PDF (11/31 Pages) Tripath Technology Inc. – STEREO 90W (4Ω) CLASS-T™ DIGITAL AUDIO AMPLIFIER DRIVER USING DIGITAL POWER PROCESSING (DPP™) TECHNOLOGY

Tripath Technology, Inc. - Technical Information
TYPICAL PERFORMANCE CHARACTERISTICS – SINGLE ENDED
100
VPP=|VNN|=31V
RL = 4Ω
90 _{AES 17 Filter}
THD+N < 10%
80
70
60
50
40
30
20
10
0
0
10
20
Efficiency vs Output Power
30
40
50
60
70
80
90
Output Power (W)
100
110
120
10
f = 1kHz
5
RL= 4Ω
AES 17 Filter
2
1
0.5
0.2
0.1
0.05
0.02
0.01
0.005
1
2
THD+N vs Output Power
+/-27V
+/-23V
+/-31V
5
10
20
Output Power (W)
50
100
200
-70
VPP=|VNN|=31V
-75
T Y ^{RF=RI=20kΩ}
16kFFT
AES 17 Filter
-80
Noise Floor
-85
-90
-95
-100
-105
-110
-115
-120
20
50
100
200
500
1k
2k
Frequency (Hz)
5k
10k
20k
100
VPP=|VNN|=35V
RL = 8Ω
90 _{AES 17 Filter}
THD+N < 10%
80
Efficiency vs Output Power
70
60
50
40
30
20
10
0
0
10
20
30
40
50
60
70
80
90
Output Power (W)
10
f = 1kHz
5 ^{RL= 8Ω}
AES 17 Filter
2
1
0.5
0.2
0.1
0.05
0.02
0.01
0.005
1
2
THD+N vs Output Power
+/-30V
+/-25V
+/-35V
5
10
20
Output Power (W)
50
100
-40
-45
VPP=|VNN|=31V
Po = 25W/ch, 4Ω
Po = 12.5W/ch, 8Ω
-50 _{BW = 22Hz - 22kHz}
-55
-60
-65
-70
-75
-80
-85
-90
-95
-100
20
50
100
Channel Separation
RL = 4Ω
RL = 8Ω
200
500
1k
2k
Frequency (Hz)
5k
10k
20k
11
TA2022 – KLI/1.2/07-04