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参数资料
| 型号： | TB2140FTG |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.028 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC16 |
| 封装： | 3 X 3 MM, 0.50 MM PITCH, PLASTIC, VQON-16 |
| 文件页数： | 3/8页 |
| 文件大小： | 164K |
| 代理商： | TB2140FTG |
TB2140FTG
2006-04-19
3
Pin Descriptions
The equivalent circuit diagrams maybe simplified or some parts of them may be omitted for explanatory purpose.
Pin voltage: typical pin voltage for test circuit when no signal is applied.
VCC = 3 V, Ta = 25°C
Pin No. and Name
Function
Internal Circuit
Pin Voltage
(V)
1
PW SW
Power switch
IC ON: H level
IC OFF: L level
3.0
4
BEEP IN
Beep signal input
If the beep function is not used, this
pin is connected to GND
2
TEST
This pin should be connected to
GND.
0
3
MUTE SW
Mute switch
Mute ON: L level
Mute OFF: OPEN
A external resistance of this pin
should do below 33 k
.
When it value is bigger than 33 k
,
a switch circuit malfunctions.
1.3
5
OUTB
6
OUTA
Outputs from power amplifier
0
7
VCC
3.0
8
GND
0
9
VEE
Negative voltage supply
3.0
10
REG OUT1
11
REG OUT2
Outputs from switching regulator
circuit
11
8
10
9
7
6
VCC
VEE
3
1
VCC
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