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參數資料
| 型號： | TPA1517NEE4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 6 W, 2 CHANNEL, AUDIO AMPLIFIER, PDIP20 |
| 封裝： | ROHS COMPLIANT, PLASTIC, DIP-20 |
| 文件頁數： | 5/22頁 |
| 文件大小： | 540K |
| 代理商： | TPA1517NEE4 |
www.ti.com
Mute
Standby
CB
VCC
IN2
SGND
PGND
IN1
1
CIR
Right
Ref
Left
COR
COL
SVRR
OUT1
M/SB
OUT2
2
5
3
9
2 k
2 k
18 k
18 k
GND/HS
4
8
6
10 – 20
Copper Plane
CS
VCC
7
+
–
OUT2
+
–
+
–
60 k
2.1 Vref
+
–
2.1 Vref
× 1
60 k
× 1
15 k
15 k
CIL
S2
See
Note B
1N914
10 k
6.8 k
10 k
47 k
10 k
47 k
47 k
VCC
TTL Control
Low – Mute
High – On
S1
See
Note A
220
Q1
Q2
1
F
470
F
1N914
470
F
1
F
1
F
2.2
F
SLOS162D – MARCH 1997 – REVISED FEBRUARY 2007
APPLICATION INFORMATION (continued)
Figure 25 is a reference schematic that provides TTL-level control of the M/SB terminal. A diode network is also
included which helps reduce turn-on pop noises. The diodes serve to drain the charge out of the output coupling
capacitors while the amplifier is in shutdown mode. When the M/SB voltage is in the normal operating range, the
diodes have no effect on the ac performance of the system.
A.
When S1 is closed, the depop circuitry is active during standby mode.
B.
When S2 is open, activating S1 places the TPA1517 in mute mode. When S2 is closed, activating S1 places the
TPA1517 in standby mode.
C.
The terminal numbers are for the 20-pin NE package.
Figure 25. TTL Control with POP Reduction
13
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