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參數(shù)資料
| 型號： | TA2131FN |
| 廠商： | Toshiba Corporation |
| 英文描述： | Low Current Consumption Headphone Amplifier for Portable MD Player (With Bass Boost Function) |
| 中文描述： | 低電流消耗為便攜式耳機放大器MD播放機（帶低音提升功能） |
| 文件頁數(shù)： | 9/19頁 |
| 文件大?。?/td> | 287K |
| 代理商： | TA2131FN |
TA2131FN
2002-04-19
9
3.
Beep
Beep sound signals from microcomputer can be received by the beep input terminal (19-pin).
The PW
A
and PW
B
of the power amplifier during power mute are turned OFF, and the beep signal input
from BEEP-IN (19-pin) is output from the BEEP-OUT terminal (10/11-pin) as fixed current, after passing
through the converter and current amplification stage. Connecting this terminal to the headphone load
outputs the beep sound.
If the beep sound is not input, fix the BEEP-IN (19-pin) terminal to GND level.
V
CC
PW SW
(18-pin)
MT SW
(17-pin)
BEEP IN
(15-pin)
OFF
OFF
OFF
ON
ON
OFF
100 ms
100 ms
200 ms
20
15
24
23
I
BEEP
I
BEEP
I
D
60
10
0
20
40
30
100
300
1 k
3 k
10 k
30 k
100 k
VCC1 2.8 V
VCC2 1.2 V
Rg 620
RL 16
Vo
22dBV
WIDE BAND
Output C 220 F
C 0.47 F
C 2.2 F
C 1 F
Vref short
f (Hz)
C
Figure 6 Low-Pass Compensation Condenser and Crosstalk
CT – f
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| TA2131FNG | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:Low Current Consumption Headphone Amplifier for Portable MD Player (With Bass Boost Function) |
| TA2132BF | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:AM/FM Radio IC |
| TA2132BP | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:AM/FM Radio IC |
| TA2136F | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:TOSHIBA Bipolar Liner Integrated Circuit Silicon Monolithic |
| TA2136FG | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:Sound Retrieval System; 3D Sound IC |
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