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参数资料
| 型号： | TB2173FTG |
| 元件分类： | 音频控制 |
| 英文描述： | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PQCC44 |
| 封装： | 6 X 6 MM, 0.40 MM PITCH, PLASTIC, VQON-44 |
| 文件页数： | 16/19页 |
| 文件大小： | 252K |
| 代理商： | TB2173FTG |
TB2173FTG
2006-04-19
6
Pin No.
and Name
Function
Internal Equivalent Circuit
Pin
Voltage
(V)
15
BIAS
OUT
Bias circuit output
0.6
16 RF
Ripple filter pin
1.1
17 OUT ADJ
Output DC voltage adjustment
The output bias voltage is set
to an optimum value
according to the voltage
applied to VCC2.
0.6
18 BIAS IN
Bias circuit input
0.6
19 VCC1
VCC other 2 than VDD and
VCC2
2.1
21 MUTE TC Mute smoothing
34
MUTE
SW
Power mute switch
Mute switch for power
amplifier.
When controlling MUTE SW
using a port, specify "0" in a
command.
In that case, the IC operates
as follows according to the
port state:
High: Mute ON
Low: Mute OFF
When controlling MUTE SW
using a command, drive the
port low.
22 MODE TC
Pin for reducing mode change
pop noise
23 PRE GND
Ground for circuits other than
logic and power drive stage
0
94
k
124
k
30
k
VCC2
VCC1
15
19
17
16
18
34
21
VCC1
to BUS
50 k
24
k
22
to
BUS
VCC1
100 k
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