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參數(shù)資料
| 型號： | MB86434PF |
| 廠商： | FUJITSU LTD |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | 5V Single Power Supply Audio Interface Unit (AIU) |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PQFP64 |
| 封裝： | PLASTIC, QFP-64 |
| 文件頁數(shù)： | 19/38頁 |
| 文件大?。?/td> | 574K |
| 代理商： | MB86434PF |
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MB86434
19
3. Analog Output
The MB86434 has a total of four analog output circuits, including the three speaker drive circuits (receiver, earphone
and tone) and the accessory output.
(1) Speaker Drive Amp
The speaker drive amps include two circuits (receiver and tone) with BTL output and one system (earphone) with
single output. Because the speaker amp requires relatively high levels of power, it is connected to speaker selection
switches (sw6-sw9) for power-down mode selection.
Two systems (receiver and earphone) have fixed gain levels, while the other system (tone) allows gain adjustment
by means of external resistors.
In addition, the tone speaker amp is able to use the 200 mW large-current power circuit
Table Speaker Drive Amp Output Standards
*1:
*2:
Dynamic-type speaker
Piezoelectric-ceramic type speaker
Parameter
Receiver speaker amps
(EAR, XEAR)
BTL
32
(typ)
2.8 k
(typ)
70 nF
6.0 dB
(between EAR-XEAR)
10 mW (min)
Earphone speaker amp
(JEAR)
Single
32
(typ)
2.8 k
(typ)
70 nF
0.0 dB/–6.0 dB
(JEAR)
5 mW (min)
Tone speaker amps
(TONE, XTONE)
BTL
32
(typ)
2.8 kW (typ)
70 nF
–5 to 20 dB
(between TONE-XTONE)
200 mW (min)
Output type
Load resistance *
1
Load resistance *
2
Load capacity *
2
Final stage gain
Maximum output power
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB86435 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:3 V Single Power Supply Audio Interface Unit (AIU) |
| MB86435PFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:3 V Single Power Supply Audio Interface Unit (AIU) |
| MB86437 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:3 V Single Power Supply Audio Interface Unit (AIU) |
| MB86437PFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:3 V Single Power Supply Audio Interface Unit (AIU) |
| MB865F-R | 制造商:IBase Technology (USA) Inc. 功能描述:ATX, LGA775 FOR P4/CELERON, 865G, VGA, 82551 10/100BT X 1 + - Bulk |
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