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參數(shù)資料
| 型號(hào)： | MAX9717D |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Quadruple 2-Input Exclusive-OR Gates 20-LCCC -55 to 125 |
| 中文描述： | 低成本，單聲道，1.4W輸出功率橋接音頻功率放大器 |
| 文件頁(yè)數(shù)： | 12/19頁(yè) |
| 文件大小： | 333K |
| 代理商： | MAX9717D |
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M
BIAS Capac itor
BIAS is the output of the internally-generated V
CC
/2 bias
voltage. The BIAS bypass capacitor, C
BIAS
, improves the
power-supply rejection ratio by reducing power supply
and other noise sources at the common-mode bias node.
C
BIAS
also generates the clickless/popless startup DC
bias waveform for the speaker amplifiers. Bypass BIAS
with a 1μF capacitor to GND. Larger C
BIAS
values
improve PSRR but slow down t
ON
time. Do not connect
external loads to BIAS.
S upply Bypassing
Proper power-supply bypassing ensures low-noise,
low-distortion performance. Connect a 1μF ceramic
capacitor from V
CC
to GND. Add additional bulk
capacitance as required by the application. Connect
the bypass capacitor as close to the device as possible.
Layout and Grounding
Proper PC board layout and grounding is essential for
optimizing performance. Use large traces for the
power-supply inputs and amplifier outputs to minimize
losses due to parasitic trace resistance. Large traces
also aid in moving heat away from the package. Proper
grounding improves audio performance and prevents
digital switching noise from coupling into the audio signal.
The MAX9716/MAX9717 TDFN and μMAX packages
feature exposed thermal pads on their undersides. This
pad lowers the thermal resistance of the package by
providing a direct-heat conduction path from the die to
the printed circuit board. Connect the exposed pad to
the ground plane using multiple vias, if required.
Low-Cost, Mono, 1.4W BT L Audio Power
Amplifiers
12
______________________________________________________________________________________
CLICKLESS/POPLESS
SHUTDOWN
CONTROL
BIAS
IN+
IN-
OUT+
OUT-
SHDN
GND
MAX9716
R
F
20k
R
F
20k
V
CC
R
IN
20k
C
IN
0.33
μ
F
AUDIO
INPUT
R
IN
20k
C
IN
0.33
μ
F
AUDIO
INPUT
C
BIAS
220pF
220pF
20k
20k
V
CC
VALUES SHOWN FOR 0dB GAIN.
OFF
ON
Figure 4. MAX9716 Differential Input
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX9717BEBL-T | Low-Cost, Mono, 1.4W BTL Audio Power Amplifiers |
| MAX9717CEBL-T | Low-Cost, Mono, 1.4W BTL Audio Power Amplifiers |
| MAX9717CETA | Low-Cost, Mono, 1.4W BTL Audio Power Amplifiers |
| MAX9717CEUA | Low-Cost, Mono, 1.4W BTL Audio Power Amplifiers |
| MAX9717BETA | Low-Cost, Mono, 1.4W BTL Audio Power Amplifiers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9717DEBL | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX9717DEBL+ | 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH/SPKR 1CH MONO 1.4W/0.155W CLS-AB 9UCSP - Rail/Tube |
| MAX9717DEBL+T | 功能描述:音頻放大器 Mono 1.4W BTL Audio 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 |
| MAX9717DEBL-T | 功能描述:音頻放大器 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 |
| MAX9717DETA | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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