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參數(shù)資料
| 型號： | TA2170FTG |
| 廠商： | Toshiba Corporation |
| 英文描述： | Low Current Consumption Headphone Amplifier (Built-in input selector) |
| 中文描述： | 低電流消耗耳機放大器（內(nèi)置輸入選擇器） |
| 文件頁數(shù)： | 4/12頁 |
| 文件大?。?/td> | 233K |
| 代理商： | TA2170FTG |
TA2170FTG
2006-04-19
4
Pin No. and Name
Function
Internal Circuit
Pin
Voltage
(V)
13
MUTE1
Mute switch of buffer amplifier 1
Mute ON : L level
Mute OFF: H level
Refer to application note 4.
14
MUTE1A
Mute switch of buffer amplifier 1A
Mute ON : L level
Mute OFF: H level
this switch is used when it turn on
A channel mutes of a buffer
amplifier 1.
Refer to application note 4.
15
MUTE2
Mute switch of buffer amplifier 2
Mute ON : L level
Mute OFF: H level
Refer to application note 4.
16
MUTE3
Mute switch of buffer amplifier 3
Mute ON : L level
Mute OFF: H level
Refer to application note 4.
17
ALL MUTE
All mute switch
Mute ON : L level
Mute OFF: H level
Refer to application note 4.
18
PW SW
Power switch
IC ON : H level
IC OFF L level
Refer to application note 4.
3
19
RF IN
Ripple filter input
2.7
21
V
CC1
V
CC
for everything other than
power drive stage
3
22
BIAS OUT
Bias circuit output
1.15
23
BIAS IN
Bias circuit input
1.15
24
OUT ADJ
DC output voltage adjustment
Either connect this pin or leave it
open depending on the level of
V
CC2
.
If the power supply of a 1.5 V
system is applied to V
CC2
,
connect this pin to BIAS IN
(pin14)
If the power supply of a 3 V
system is applied to V
CC2
, leave
this pin open.
1.85
20
GND
0
V
CC
10 k
17
20 k
V
CC1
100 k
3
1
18
4
6
1
V
CC2
V
CC1
22
21
24
19
23
10 k
13
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