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參數資料
| 型號： | TA2152FNG |
| 廠商： | Toshiba Corporation |
| 英文描述： | Low Current Consumption Headphone Amplifier (for 1.5-V/3-V Use) |
| 中文描述： | 低電流消耗耳機放大器（用于1.5-V/3-V使用） |
| 文件頁數： | 3/16頁 |
| 文件大小： | 278K |
| 代理商： | TA2152FNG |
TA2152FNG
2006-04-19
3
Pin Descriptions
Pin Voltage: Typical pin voltage for test circuit when no input signal is applied
(V
CC1
=
2.4 V, V
CC2
=
1.2 V, Ta
=
25°C)
Pin
No.
Name
Function
Internal Circuit
Pin
Voltage (V)
1
NC
2
NC
Not connected
3
BEEP OUT
B
10
BEEP OUT
A
Outputs for beep signal
4
OUT
B
6
OUT
C
9
OUT
A
Outputs from power amplifier
0.6
7
PW GND
GND for power drive stage
0
11
V
CC2
V
CC
for power drive stage
1.2
5
EQ
B
8
EQ
A
Low-pass compensation pins
0.6
12
IN
A
13
IN
B
Inputs to power amplifier
0.6
14
V
CC1
V
CC
for everything other than
power drive stage
2.4
19
BIAS OUT
Bias circuit output
0.6
22
RF IN
Ripple filter input
1.1
23
BIAS IN
Bias circuit output
0.6
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 (pin
23).
If the power supply of a 3 V
system is applied to V
CC2
, leave
this pin open.
0.6
V
CC2
10
V
CC2
11
9
7
20 k
15 k
43 k
5
12
8
9
4
6
1
V
CC2
V
CC1
19
14
24
22
23
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