T E C H N I C A L I N F O R M A T I O N
Application/Test Circuit
TA3020
43 OCS1HP
VPP
CS 0.1uF
DB MUR120
VN10
RB 250Ω
+
CS
RS
330uF
26
25
OAOUT1
INV1
0.01Ω, 1W
OCS1HN
40 VBOOT1
44
CI
3.3uF
+
RF
RG
QO
V5
20KΩ
+
5.6, 1W
CB
CBAUX
47uF
-
45 HO1
46 HO1COM
CHBR
0.1uF
+
RI
49.9KΩ
ROFB
0.1uF
AGND
499KΩ
V5 (Pin 27)
RG
QO
LO
VN10
CO
RZ
ROFB
Processing
&
5.6, 1W
10uH
48 LO1
0.22uF
20Ω, 2W
499KΩ
ROFA
10KΩ
COF
47
LO1COM
Modulation
CZ
RL
0.1uF
42 OCS1LP
Offset Trim
0.22uF 4Ω or 8Ω
RS
Circuit
AGND (Pin 28)
0.01Ω, 1W
41 OCS1LN
37 OCR1
VNN
2.5V
CS
+
CS
OCR1
33
V5 (Pin 27)
330uF
0.1uF
CA
COCR
ROCR
200KΩ
RFBA
RFBA
1KΩ
0.1uF
220pF
20KΩ
19
BIASCAP
1KΩ
AGND
*RFBC
13.3KΩ
(Pin 28)
(Pin 28)
13 FBKOUT1
FBKGND1
14
V5
*RFBC
13.3K
CFB
150pF
*RFBB
*RFBB
Ω
5V
1.07KΩ 1.07KΩ
MUTE 24
REF 32
AGND (Pin 28)
(Pin 28)
HMUTE
15
RREF
8.25KΩ, 1%
(Pin 28)
7
8
OAOUT2
OCS2HP
OCS2HN
21
VPP
CS 0.1uF
DB MUR120
VN10
RB 250
+
CS
CI
3.3uF
+
RS
RF
330uF
0.01Ω, 1W
V5
20KΩ
INV2 20
Ω
-
10 VBOOT2
+
RI
49.9KΩ
RG
QO
ROFB
AGND
+
5.6, 1W
CB
CBAUX
47uF
499KΩ
5
4
HO2
HO2COM
CHBR
0.1uF
V5 (Pin 27)
0.1uF
ROFB
499KΩ
ROFA
RG
QO
LO
VN10
10KΩ
Offset Trim
Circuit
CO
COF
RZ
Processing
&
5.6, 1W
10uH
2
LO2
0.22uF
0.1uF
20Ω, 2W
3
LO2COM
OCS2LP
Modulation
CZ
RL
AGND (Pin 28)
7
0.22uF 4Ω or 8Ω
BBM0 22
BBM1 23
RS
0.01 1W
Ω,
8
OCS2LN
VNN
12 OCR2
CS
+
CS
OCR2
31
17
DCOMP
330uF
0.1uF
V5 (Pin 27)
COCR
ROCR
RFBA
RFBA
1KΩ
*RFBC
13.3KΩ
220pF
20KΩ
27
1KΩ
V5
5V
AGND
CS
(Pin 28)
0.1uF
28
16 FBKOUT2
18 FBKGND2
AGND
*RFBC
13.3KΩ
CFB
270pF
*RFBB
*RFBB
35
34
V5
1.07KΩ 1.07KΩ
CS
0.1uF
AGND
AGND (Pin 28)
VN10
1
*RVNN1
450KΩ, 1%
VN10
VNN
30
29
CSW
0.1uF,35V
VNN
VNN
VPP
VNNSENSE
*RVPP1 450K
1%
Ω,
39
VPPSENSE
VNN
38
36
*RVNN2
V5
NC
NC
1.35MΩ, 1%
11
NC
*RVPP1 450K
1%
Ω,
V5
Analog Ground
Power Ground
F. BEAD
* The values of these components must be
adjusted based on supply voltage range.
See Application Information.
TA3020, Rev 2.1, 01.01
7
TRIPATH [ TRIPATH TECHNOLOGY INC. ]
