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參數(shù)資料
| 型號： | TDA8929T/N1,118 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2 CHANNEL, AUDIO AMPLIFIER, PDSO24 |
| 封裝： | PLASTIC, SO-24 |
| 文件頁數(shù)： | 11/36頁 |
| 文件大小： | 479K |
| 代理商： | TDA8929T/N1,118 |
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2001 Dec 11
19
Philips Semiconductors
Preliminary specication
Controller class-D audio amplier
TDA8929T
15.2
BTL application
When using the system in a mono BTL application (for
more output power), the inputs of both channels must be
connected in parallel. The phase of one the inputs must be
inverted (see Fig.5). In principle the loudspeaker can be
connected between the outputs of the two single-ended
demodulation filters. For improving the common mode
behavior of the filter, the configuration in Fig.12 is advised.
15.3
Mode pin
For correct operation the switching voltage on pin MODE
should be de-bounced. If this pin is driven by a mechanical
switch an appropriate de-bouncing low-pass filter should
be used. If pin MODE is driven by an electronic circuit or
microcontroller then it should remain, for at least 100 ms,
at the mute voltage level (Vth1+) before switching back to
the standby voltage level.
15.4
External clock
Figure 11 shows an external clock oscillator circuit.
15.5
Reference designs
The reference design for a two-chip class-D audio
amplifier for TDA8926J or TDA8927J and TDA8929T is
shown in Fig.12. The Printed-Circuit Board (PCB) layout is
shown in Fig.13. The bill of materials is given in Table 1.
The reference design for a two-chip class-D audio
amplifier for TDA8926TH or TDA8927TH and TDA8929T
is shown in Fig.14. The PCB layout is shown in Fig.15.
handbook, full pagewidth
MGW155
R19
5 k
9.1 k
R1
39 k
R20
mode select
external clock
S1
on
MODE
OSC
mute
off
C44
220 nF
D1
5V6
C3
120 pF
1
HEF4047B
J1
14
2
GND
13
312
411
510
69
78
VDDA
6
TDA8929T
7
Fig.11 External oscillator circuit.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA8931 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Power comparator 1 X 20 W |
| TDA8931T | 功能描述:校驗器 IC 1 CHAN CLASS D AMP 1X15W RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| TDA8931T/N1,112 | 功能描述:校驗器 IC 1 CHAN CLASS D AMPLIFIER 1X15W RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| TDA8931T/N1,118 | 功能描述:校驗器 IC 1 CHAN CLASS D AMPLIFIER 1X15W RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| TDA8931T-T | 功能描述:校驗器 IC 1 CHAN CLASS D AMP 1X15W RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
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