TDA1400 Tripath Technology, TDA1400 Datasheet - Page 12

• Manufacturer Part Number: TDA1400
• Description: MONO CLASS-T DIGITAL AUDIO AMPLIFIER DRIVER
• Manufacturer: Tripath Technology

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Typical Performance Characteristics – Single Supply
12
%
%
0.005
0.005
0.02
0.05
0.01
0.02
0.05
0.01
100
0.5
0.2
0.1
0.5
0.2
0.1
90
80
70
60
50
40
30
20
10
1
1
0
10
10
0
VPP = 60V
R
P
BW = 22kHz
BBM set = 40.2k
VPP = 60V
R
P
BW = 22kHz
BBM set = 40.2k
L
O
L
O
= 4Ω
= 25W
= 8Ω
= 25W
20
20
50
50
50
R
100
100
100
L
= 8Ω
THD+N vs Frequency
THD+N vs Frequency
Efficiency vs Output Power
200
200
Output Power (W)
150
Hz
Hz
500
500
200
1k
1k
VPP = 50V
THD < = 10%
f = 100Hz
BW = 22Hz - 20kHz(AES17)
BBM set = 40.2k
FETs used = FQP22P10 &
FQP19N10
R
2k
2k
250
L
= 6Ω
5k
5k
300
R
10k
10k
L
= 4Ω
350
20k
20k
T r i p a t h T e c h n o l o g y , I n c . - P r e l i m i n a r y I n f o r m a t i o n
B
A
B
A
d
d
r
r
-100
-110
-120
-130
-100
-110
-120
-130
100
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
+0
+0
90
80
70
60
50
40
30
20
10
0
20
20
0
19kHz, 20kHz 1:1
P
VPP = 60V
R
32k FFT
F
BW = < 10Hz - 80kHz
19kHz, 20kHz 1:1
P
VPP = 60V
R
32k FFT
F
BW = < 10Hz - 80kHz
O
L
S
O
S
L
= 8Ω
= 65kHz
= 4Ω
= 65kHz
= 25W
= 25W
50
50
50
100 150 200 250 300 350 400 450 500
100
100
Intermodulation Distortion
Intermodulation Distortion
200
200
Efficiency vs Output Power
R
L
= 8Ω
Output Power (W)
T D A 1 4 0 0 – R e v . 0 . 6 5 / K L i / 0 2 . 0 6
500
500
Hz
Hz
1k
1k
2k
2k
VPP = 60V
THD < = 10%
f = 100Hz
BW = 22Hz - 20kHz(AES17)
BBM set = 40.2k
FETs used = FQP22P10 &
FQP19N10
R
L
= 6Ω
5k
5k
10k
10k
R
L
= 4Ω
20k
20k
30k
30k