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Tai-1 Microelectronics
Preliminary
TMPA208DS
www.taimec.com.tw
/
www.class-d.com.tw
Rev.1.0
June 27, 2006
Copyright
©2005,Tai-1 Microelectronics Corp.
3
Typical Application
S1
switch
C1
1uF
C3
1uF
C4
1uF
C10
1uF
C8
1uF
C7
1uF
R1
10k
R2
50k
C5
1uF
LIN+
SDN
VOLUME
AVDD
J1
PHONEJACK STEREO
VDD
C9
1uF
RIN+
VDD
R3
100
VDD
R5
100
R4
100
L3
33u
C12
1uF
L4
33u
C13
1uF
ROUT+
ROUT-
L1
33u
C11
1uF
L2
33u
C14
1uF
LOUT+
LOUT-
R12
33k
R6
5k
R7
5k
C15
1nF
R8
5k
R9
5k
C16
1nF
R10
0k
1
20
2
19
3
18
4
17
5
16
6
15
7
8
LINN
LINP
PGNDL
PVDDL
LOUTP
SDNB
LOUTN
PVDDL
RINN
RINP
BYPASS
PVDDR
ROUTP
PGNDR
AGND
NC
9
10
14
13
ROUTN
PVDDR
VOLUME
AVDD
11
12
J2
TMPA208DS
C6
470uF
+ C2
470uF
TERMINAL FUNCTIONS
TERMINAL
NAME
PIN NO
I/O
DESCRIPTION
AGND
10
－
Analog ground
BYPASS
18
O
Bypass
LINN
1
I
Negative differential input for left channel
LINP
2
I
Positive differential input for left channel
LOUTN
7
O
Negative output for left channel
LOUTP
5
O
Positive output for left channel
NC
9
－
No connection
PGNDL
6
－
Ground for left channel H-bridge
PGNDR
15
－
Ground for right channel H-bridge
PVDDL
4,8
－
Power supply for left channel H-bridge
PVDDR
13,17
－
Power supply for right channel H-bridge
RINN
20
I
Negative differential input for right channel
RINP
19
I
Positive differential input for right channel
ROUTN
14
O
Negative output for right channel
ROUTP
16
O
Positive output for right channel
SDNB
3
I
Places the amplifier in shutdown mode if a TTL logic low is placed on this terminal;
normal operation if a TTL logic high is placed on this terminal
AVDD
11
－
Analog power supply
VOLUME
12
I
DC Volume control
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