參數(shù)資料
型號: MAX98089EVKIT#WLP
廠商: Maxim Integrated Products
文件頁數(shù): 11/131頁
文件大?。?/td> 0K
描述: KIT EVAL FOR MAX98089-WLP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 1
系列: DirectDrive®
主要目的: 音頻編解碼器
嵌入式: 是,DSP
已用 IC / 零件: MAX98089
主要屬性: 2.8 V ~ 5.5 V 輸入電壓
已供物品: 板,線纜,軟件
Low-Power, Stereo Audio Codec
with FlexSound Technology
Class H Operation
A Class H amplifier uses a Class AB output stage with
power supplies that are modulated by the output signal.
In the case of the ICs, two nominal power-supply differ-
entials of 1.8V (+0.9V to -0.9V) and 3.6V (+1.8V to -1.8V)
are available from the charge pump. Figure 29 shows the
operation of the output-voltage-dependent power supply.
Headphone Ground Sense (HPSNS)
HPSNS senses the ground return for the headphone
load. For optimal performance, connect HPSNS to the
ground pole of the jack through an isolated trace, as
shown in Figure 30. If HPSNS is not used, connect to the
analog ground plane.
Figure 28. Traditional Amplifier Output vs. DirectDrive Output
Figure 29. Class H Operation
Figure 30. HPSNS configurations
VDD
VDD/2
GND
CONVENTIONAL AMPLIFIER BIASING SCHEME
DirectDrive AMPLIFIER BIASING SCHEME
+VDD
GND
-VDD
(VSS)
HPL
HPR
HPSNS
CONFIGURATION FOR OPTIMAL PERFORMANCE
HEADPHONE
JACK
HPL
HPR
HPSNS
CONFIGURATION FOR WHEN NOT USING HPSNS
HEADPHONE
JACK
32ms
1.8V
0.9V
VTH_H
VTH_L
-0.9V
-1.8V
HPVDD
HPVSS
OUTPUT
VOLTAGE
Maxim Integrated
108
MAX98089
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX98089EWY+ 制造商:Maxim Integrated Products 功能描述:STEREO AUDIO CODEC WITH FLEXSOUND TUNING TECHNOLOGY AND BASI - Rail/Tube
MAX98089EWY+T 功能描述:接口—CODEC Audio Codec RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
MAX98090AETL+ 功能描述:接口—CODEC 5V 130mW Stereo Headphone Amp RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
MAX98090AETL+T 功能描述:接口—CODEC 5V 130mW Stereo Headphone Amp RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
MAX98090AEWJ+ 制造商:Maxim Integrated Products 功能描述:- Rail/Tube