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參數(shù)資料
| 型號： | TA2170FLG |
| 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(jī)放大器（內(nèi)置輸入選擇） |
| 文件頁數(shù)： | 4/13頁 |
| 文件大小： | 235K |
| 代理商： | TA2170FLG |
TA2170FLG
2006-04-19
4
Pin No. & Name
Function
Internal Circuit
Pin
Voltage
(V)
13
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 (pin 14).
If the power supply of a 3-V system
is applied to V
CC2
, leave this pin
open.
1.85
14
BIAS IN
Bias circuit input
1.15
15
BIAS OUT
Bias circuit output
1.15
16
V
CC1
V
CC
for everything other than the
power drive stage
3
18
RF IN
Ripple filter input
2.7
17
GND
0
19
PW SW
Power switch
IC ON: H level
IC OF : L level
Refer to Application Note 4.
3
20
ALL MUTE
All mute switch
Mute ON: L level
Mute OFF H level
Refer to Application Note 4.
21
MUTE3
Mute switch of buffer amplifier 3
Mute ON: L level
Mute OFF: H level
Refer to Application Note 4.
22
MUTE2
Mute switch of buffer amplifier 2
Mute ON: L level
Mute OFF: H level
Refer to Application Note 4.
23
MUTE1A
Mute switch of buffer amplifier 1A
Mute ON: L level
Mute OFF: H level
This switch is used for turning on
A channel mutes for buffer
amplifier 1.
Refer to Application Note 4.
24
MUTE1
Mute switch of buffer amplifier 1
Mute ON: L level
Mute OFF: H level
Refer to Application Note 4.
4
6
1
V
CC2
V
CC1
15
16
13
18
14
V
CC1
100 k
3
1
19
V
CC
10 k
21
V
CC
10 k
20
20 k
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