Tripath Technology, Inc. - Technical Information
APPLICATION / TEST CIRCUIT WITH DIFFERENTIAL INPUTS AND
FILTERED OUTPUTS
TAA2009
C
I
1.0uF
DIFFERENTIAL
AUDIO INPUT
C
P
10uF
(Pin 30)
C
A
1.0uF
(Pin 30)
5V
MUTE
7
VDD1
IN1P
1
9
OUTP1
+
-
L
o
10uH, 2A
IN1M
32
C
I
1.0uF
C1
31
Processing
&
Modulation
GAIN
CONTROL
PGND1
VDD1
(Pin 11)
L
o
10uH, 2A
C
o
0.22uF
C
Z
0.22uF
C
DO
0.01uF
R
L
6Ω to16Ω
GAIN0
3
GAIN1
22
BIASCAP
29
12
OUTM1
C
o
0.22uF
R
Z
10Ω, 1/4W
V5
PGND1
8
VDD2
C
P
10uF
(Pin 27)
DIFFERENTIAL
AUDIO INPUT
C
I
1.0uF
FAULT
C2
26
IN2P
24
16
OUTP2
+
-
L
o
10uH, 2A
IN2M
25
C
I
1.0uF
(Pin 4)
R
REF
20.0KΩ, 1%
5
REF
Processing
&
Modulation
PGND2
VDD2
(Pin 14)
L
o
10uH, 2A
C
o
0.22uF
C
Z
0.22uF
C
DO
0.01uF
13
OUTM2
18
CPUMP
19
DCAP
C
o
R
Z
0.22uF 10Ω, 1/4W
R
L
6Ω to 16Ω
D
CP
C
CP
1uF
To pin 20 (VDDA)
PGND2
CPUMP
VDDA
C
D
0.1uF
D
CP
18
+
VDD
1MΩ
20
23
21
C
P
1uF
C
S
0.1uF
C
S
0.1uF
To Pins
2, 28
27
INL
6
SLEEP
V5D
DGND
V5 A
AGND
AGND
5VGEN
N.C.
2
C
S
1.0uF
4
28
VDD1
PGND1
10
11
C
SW
0.1uF
+
VDD
C
SW
To Pin 21
C
S
1.0uF
100uF, 16V
30
VDD2
15
C
SW
0.1uF
+
17
SUB
14
PGND2
C
SW
100uF, 16V
Note: Analog and Digital/Power Grounds must
be connected locally at the TAA2009
Analog Ground
Power Ground
6
TAA2009 –KLi/1.02/ 05.06
TRIPATH [ TRIPATH TECHNOLOGY INC. ]
