tda2075a Tripath Technology Inc., tda2075a Datasheet - Page 11

• Manufacturer Part Number: tda2075a
• Description: Stereo Class-t Digital Audio Amplifier Driver Using Digital Power Processingtm
• Manufacturer: Tripath Technology Inc.

Typical Performance Characteristics
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
11
0
0
0
0
0
0
25
25
Efficiency
Efficiency
Efficiency and Power Dissipation versus
Efficiency and Power Dissipation versus
Efficiency and Power Dissipation versus
25
50
Efficiency
50
75
Pow er Dissipation
Output Pow er per channel
Output Pow er per channel
Output Pow er per channel
Pow er Dissipation
50
Output Power
Output Power
Output Power
Pow er Dissipation
100
75
(W)
(W)
(W)
125
100
75
150
VPP = |VNN| = 40V
VPP = |VNN| = 40V
VPP = |VNN| = 40V
R
f= 1kHz
BW = 22Hz - 20kHz(AES17)
R
f= 1kHz
BW = 22Hz - 20kHz(AES17)
R
f= 1kHz
BW = 22Hz - 20kHz(AES17)
L
L
L
125
= 4:
= 6 :
= 8:
175
100
150
200
175
225
125
45
40
35
30
25
20
15
10
20
18
16
14
12
10
20
18
16
14
12
10
8
6
4
2
5
8
6
4
2
0
0
0
B
A
d
r
B
A
d
r
B
V
d
-100
-120
-140
-100
-100
-110
-120
-60
-20
-40
-60
-80
-20
-40
-80
+0
+0
-70
-80
-90
T r i p a t h T e c h n o l o g y , I n c . - T e c h n i c a l I n f o r m a t i o n
20
20
20
R
0dBr = 12Vrms
19kHz, 20kHz, 1:1
FFT size = 32k
FFT
VPP = |VNN| = 40V
BW = 22Hz - 80kHz
0dBr = 12Vrms
VPP = |VNN| = 40V
BW = 22Hz - 20kHz
L
T
FFT size = 32k
FFT
BW = 22Hz-20kHz(AES17)
= 8:
VPP = |VNN| = 40V
SR
T
SR
50
50
= 65kHz
50
T
= 48kHz
Channel Separation versus Frequency
100
100
Intermodulation Performance
100
200
200
200
T D A 2 0 7 5 A – R e v . 0 . 9 / K L i / 1 0 . 0 5
Noise Floor
500
500
500
Hz
1k
Hz
1k
1k
Hz
2k
2k
2k
5k
5k
5k
10k
10k
10k
30k
20k
20k