參數(shù)資料
型號(hào)： MAX9702ETI+
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 5/31頁(yè)
文件大?。?/td> 0K
描述： IC AMP AUDIO PWR 1.8W D 28TQFN
標(biāo)準(zhǔn)包裝： 60
系列： DirectDrive®
類(lèi)型： D 類(lèi)
輸出類(lèi)型： 2-通道（立體聲）帶立體聲耳機(jī)
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： 1.8W x 2 @ 4 歐姆; 45mW x 2 @ 32 歐姆
電源電壓： 2.5 V ~ 5.5 V
特點(diǎn)： 消除爆音，差分輸入，I²C，靜音，短路和熱保護(hù)，關(guān)機(jī)
安裝類(lèi)型： 表面貼裝
供應(yīng)商設(shè)備封裝： 28-TQFN-EP（5x5）
封裝/外殼： 28-WFQFN 裸露焊盤(pán)
包裝： 管件
MAX9702
1.8W, Filterless, Stereo, Class D Audio Power
Amplifier and DirectDrive Stereo Headphone Amplifier
______________________________________________________________________________________
13
Pin Description
PIN
NAME
FUNCTION
1, 22
PVDD
H-Bridge Power Supply. Connect to VDD and bypass each PVDD with a 0.1F capacitor to
PGND.
2
SYNC_OUT
Clock Signal Output. Float SYNC_OUT if not used.
3
SCL
I2C Serial Clock. Connect a pullup resistor to VDD (see I2C Interface section).
4
SDA
I2C Serial Data. Connect a pullup resistor to VDD (see I2C Interface section).
5
BIAS
Common-Mode Voltage. Bypass to GND with a 1F capacitor.
6
SYNC
Frequency Mode Select:
SYNC = GND: Fixed-frequency mode with fS = 1100kHz.
SYNC = Float: Fixed-frequency mode with fS = 1340kHz.
SYNC = VDD: Spread-spectrum mode with fS = 1150kHz ±50kHz.
SYNC = Clocked: Fixed-frequency mode with fS = external clock frequency.
7
CPVDD
Charge-Pump Power Supply. Connect to VDD and bypass to CPGND with a 1F capacitor.
8
C1P
Charge-Pump Flying-Capacitor Positive Terminal. Connect a 1F capacitor from C1P to C1N.
9
CPGND
Charge-Pump Power Ground. Connect to PGND.
10
C1N
Charge-Pump Flying-Capacitor Negative Terminal. Connect a 1F capacitor from C1N to
C1P.
11
CPVSS
Charge-Pump Negative Output. Bypass with a 1F capacitor to CPGND.
12
VSS
Headphone Amplifier Negative Supply. Connect to CPVSS.
13
HPL
Left-Channel Headphone Output
14
HPR
Right-Channel Headphone Output
15
VDD
Analog Power Supply. Bypass with a 1F capacitor to GND.
16
GND
Analog Ground. Connect to PGND.
17
INR
Right-Channel Audio Input
18
INL
Left-Channel Audio Input
19
INM
Mono Audio Input
20
HPS
Headphone Sense:
HPS = VDD: Headphone mode.
HPS = GND: Speaker mode.
21
SHDN
Active-Low Shutdown. Connect to VDD for normal operation.
23
OUTR+
Right-Channel Positive Amplifier Output
24
OUTR-
Right-Channel Negative Amplifier Output
25, 26
PGND
Power Ground. Connect to GND.
27
OUTL-
Left-Channel Negative Amplifier Output
28
OUTL+
Left-Channel Positive Amplifier Output
EP
Exposed Pad. The external pad lowers the package’s thermal impedance by providing a
direct heat conduction path from the die to the printed circuit board. The exposed pad is
internally connected to VSS. Connect the exposed thermal pad to an isolated plane if
possible or to VSS.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX9702ETI+ 功能描述:音頻放大器 1.8W Filterless Class D Audio Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)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
MAX9702ETI+T 功能描述:音頻放大器 1.8W Filterless Class D Audio Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)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
MAX9702EUI+ 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH/SPKR 2CH STEREO 1.8W/0.045W CLS-AB/CLS-D 28TSSO - Rail/Tube
MAX9702EUI+T 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH/SPKR 2CH STEREO 1.8W/0.045W CLS-AB/CLS-D 28TSSO - Tape and Reel
MAX9702EVCMODU 功能描述:放大器 IC 開(kāi)發(fā)工具 MAX9702/2B Eval Kit RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類(lèi)型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V
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