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參數(shù)資料
| 型號： | MAX9708 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 20W/40W, Filterless, Spread-Spectrum, Mono/Stereo, Class D Amplifier |
| 中文描述： | 20W/40W、無需濾波的擴頻單聲道/立體聲D類放大器 |
| 文件頁數(shù)： | 17/24頁 |
| 文件大?。?/td> | 781K |
| 代理商： | MAX9708 |
M
20W/40W, Filterless, Spread-Spectrum,
Mono/Stereo, Class D Amplifier
______________________________________________________________________________________
17
Mismatch in the components can cause discrepancies
between the nominal transfer function and actual perfor-
mance. Also, the mismatch of the input resistors (R15,
R17, R19, and R21 in Figure 6) of the summing amplifier
to be sent to the subwoofer.
The circuit in Figure 6 drives a pair of MAX9708 devices
similar to the circuit in Figure 5. The inputs to the
MAX9708 still require AC-coupling to prevent compro-
mising the click-and-pop performance of the MAX9708.
The left and right drivers should be at an 8
to 12
impedance, whereas the subwoofer can be 4
to 12
depending on the desired output power, the available
power-supply voltage, and the sensitivity of the individ-
ual speakers in the system. The four gain settings of
the MAX9708 allow gain adjustments to match the sen-
sitivity of the speakers.
Figure 5. Multiple Amplifiers Implement a 2.1 Audio System
MAX9708
MAX9708
HIGHPASS
FILTER
8
FULL-
RANGE
SPEAKER
8
FULL-
RANGE
SPEAKER
4
OR 8
WOOFER
RIGHT
AUDIO
LEFT
AUDIO
HIGHPASS
FILTER
LOWPASS
FILTER
Σ
V
DIGITAL
OUTR+
OUTR-
OUTL+
OUTL-
OUTR+
OUTR-
OUTL+
OUTL-
INR+
INR-
MONO
INL+
INL-
INR+
INR-
SYNCIN
SYNCOUT
MONO
INL+
INL-
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX9708ECB | 20W/40W, Filterless, Spread-Spectrum, Mono/Stereo, Class D Amplifier |
| MAX9708ETN | 20W/40W, Filterless, Spread-Spectrum, Mono/Stereo, Class D Amplifier |
| MAX9712 | 500mW. Low EMI. Filterless. Class D Audio Amplifier |
| MAX9713 | 6W. Filterless. Spread-Spectrum Mono/Stereo Class D Amplifiers |
| MAX9714 | 6W. Filterless. Spread-Spectrum Mono/Stereo Class D Amplifiers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9708ECB+D | 制造商:Maxim Integrated Products 功能描述:AUD AMP SPKR 1CH MONO/2CH STEREO 42W/21W CLS-D 64TQFP EP - Rail/Tube |
| MAX9708ECB+TD | 制造商:Maxim Integrated Products 功能描述:AUD AMP SPKR 1CH MONO/2CH STEREO 42W/21W CLS-D 64TQFP EP - Tape and Reel |
| MAX9708ETN | 制造商:Maxim Integrated Products 功能描述:20W/40W FILTERLESS, SPREAD-SPECTRUM, MONO/STE - Rail/Tube |
| MAX9708ETN/V+TD | 制造商:Maxim Integrated Products 功能描述:20W/40W FILTERLESS, SPREAD SPECTRUM, MONO/STEREO, CLASS D AM - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC AMP AUDIO PWR 42W STER 56TQFN 制造商:Maxim Integrated Products 功能描述:Filterless Class D Amp Mono/Stereo |
| MAX9708ETN+ | 制造商:Maxim Integrated Products 功能描述:AUD AMP SPKR 1CH MONO/2CH STEREO 42W/21W CLS-D 56TQFN EP - Rail/Tube |
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