TDA1400 Tripath Technology, TDA1400 Datasheet - Page 7

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

Offset Trim
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Circuit
VPP
5K
R
2.2uF
C
V5
OFA
I
+
V5
R
VNN1
*R
*R
R
20K
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I
R
470K
VPP1
R
8.25K, 1%
R
40.2K, 1%
VPP2
5V
16K
OFB
REF
BBMSET
AGND
20K
R
Application Circuit – Single Supply
7
F
0.1uF
0.1uF
C
R
OAOUT_AUX
10K
OAOUT_AMP
A
VNNSENSE
VPPSENSE
FLT
C
R
470K
S
INV_AUX
C
0.1uF
INV_AMP
OFB
BIASCAP
V5
BBMSET
OF
AGND
MUTE
DCMP
OCD2
OCD1
SUB
REF
V5
34
38
40
46
3
33
35
47
45
43, 44
41, 42
1
2
4
36
7
2.5V
V5
AGND
AGND
-
+
-
+
V5
V5
Processing
Modulation
&
TDA1400
12,14,16,18,19,21,23,26,31,37,39,48
MUTE
MUTE
FET controller
FET controller
V5
V5
V10
V10
V10
V10
13,24
6, 32
10
15
17
11
25
22
20
30
29
28
27
9
5
8
FAULT
LO_NEG
OCSP_NEG
OCSN_NEG
GATEOFF
AGND
V10
PGND
LO_POS
OCSP_POS
OCSN_POS
HO_NEG
FBK_NEG
V5
HO_POS
FBK_POS
NC
220pF
220pF
C
C
FB
FB
C
C
0.1uF
0.1uF
S
S
10V
5V
V5
V5
*R
*R
2.21K
C
2.21K
1K
C
1K
R
R
1.0uF
1.0uF
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
G
G
FBA
FBB
FBA
FBB
C
C
* The values of these components must be adjusted based
on supply voltage range. See Application Information.
** Refer to the RB-TDA1400 document for a detailed
description of these optional circuits.
ISB
ISB
1.0uF
1.0uF
**
*R
**
*R
20K, 1%
20K, 1%
S_SUP
S_SUP
CKT
CKT
FBC
FBC
0Ω
1.0K
1.0K
R
R
ISB
ISB
**
**
D_IS
D_IS
CKT
CKT
4.7K
Analog Ground
Power Ground
R
4.7K
R
**
**
ISA
ISA
G_OFF
G_OFF
CKT
CKT
Q
Q
D
D
IS
IS
BIAS
BIAS
T D A 1 4 0 0 – R e v . 0 . 6 5 / K L i / 0 2 . 0 6
D
D
D
D
150K
G
G
150K
150K
G
G
150K
R
R
R
R
R
R
R
R
G
G
G
G
GS
GS
GS
GS
Q
Q
Q
Q
N
P
N
P
C
0.1uF
C
0.1uF
D
D
HBR
HBR
VPP
VPP
DS
DS
D
D
DS
DS
+
+
C
220uF
C
220uF
L
11uH
L
11uH
HBR
HBR
O
O
R
R
S
S
0.22uF
0.22uF
C
C
O
O
10Ω,2W
10Ω,2W
R
R
0.22uF
0.22uF
C
C
Z
Z
Z
Z
R
4 - 8Ω
L