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參數(shù)資料
| 型號： | CS35L00-CNZ |
| 廠商： | CIRRUS LOGIC INC |
| 元件分類： | 音頻／視頻放大 |
| 中文描述： | 2.7 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO10 |
| 封裝： | 3 X 3 MM, LEAD FREE, MO-220, DFN-10 |
| 文件頁數(shù)： | 10/34頁 |
| 文件大?。?/td> | 730K |
| 代理商： | CS35L00-CNZ |
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CS35L00
18
DS906PP1
allows the ferrite bead to sufficiently attenuate the problematic high-frequency emissions without compro-
mising audio performance.
5.3.3
Output Filter Power Dissipation Considerations
In systems without inductive series elements like inductors or ferrite beads, power losses in the output
filter are equal to the switching losses that occur in the system due to the cyclical charging and discharging
of capacitors connected to the amplifier outputs. In systems that require an inductive series element, con-
ducted losses also occur due to the series impedance added to the output path.
5.3.3.1
Conduction Losses for All Modes of Operation
For all modes of operation (SD, FSD, HD, and FHD), conduction losses are governed by the following
equation:
Where:
P
= Power dissipated in the series impedance.
I
= RMS AC output current
Z
= impedance of the series element at the frequency of the AC current
This equation neglects any series impedances presented by the PCB traces or speaker wires in the output
path.
5.3.3.2
Switching Losses in SD/FSD Mode
Switching losses in SD/FSD Mode are governed by the equation
Where:
P
= Power dissipated in the capacitor (neglecting parasites).
C
= Value of filtering capacitor
V
= Peak voltage developed across the capacitor
f
= Switching frequency of the outputs
These calculations are straightforward, as the peak voltage is simply the voltage level attached to VBATT,
the capacitor is the value of capacitor that has been added for filtering (neglecting parasitic board capac-
itances), and the frequency is 192 kHz for SD and 76 kHz for FSD, respectively.
5.3.3.3
Switching Losses in HD/FHD.
Many factors affect the switching losses when the device is operated in HD/FHD mode. These factors in-
clude the frequency of the content being amplified, the voltage level of VBATT, and the amplitude of the
output signal will factor into both the voltage presented across the capacitors and the frequency at which
the capacitors are charged or discharged.
PI2Z
=
P
1
2
---CV2f
=
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| CS35L00-CNZR | 功能描述:音頻放大器 Low Power Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| CS35L01 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:2.9 W Mono Class-D Audio Amplifier with Low Idle Current |
| CS35L01-CWZ | 功能描述:音頻放大器 Mono Low Power Amp w/ +6dB Gain RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| CS35L01-CWZR | 功能描述:IC AMP AUD LP 3W MONO D 9WLCSP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:DirectDrive® 類型:D 類 輸出類型:1-通道（單聲道），帶立體聲耳機(jī) 在某負(fù)載時最大輸出功率 x 通道數(shù)量:930mW x 1 @ 8 歐姆; 40mW x 2 @ 16 歐姆 電源電壓:2.7 V ~ 5.5 V 特點(diǎn):消除爆音，差分輸入，I²C，靜音，關(guān)閉，音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR) 其它名稱:MAX97000EWA+T-ND |
| CS35L03 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:2.9 W Mono Class-D Audio Amplifier with Low Idle Current |
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