參數(shù)資料
型號: MAX9750CETI+
廠商: Maxim Integrated Products
文件頁數(shù): 3/30頁
文件大?。?/td> 0K
描述: IC AMP AUDIO PWR 2.6W AB 28TQFN
標(biāo)準(zhǔn)包裝: 60
系列: DirectDrive®
類型: AB 類
輸出類型: 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: 2.2W x 2 @ 3 歐姆; 110mW x 2 @ 16 歐姆
電源電壓: 4.5 V ~ 5.5 V
特點(diǎn): 消除爆音,短路保護(hù)和熱保護(hù),關(guān)機(jī),音量控制
安裝類型: 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
包裝: 管件
MAX9750/MAX9751/MAX9755
2.6W Stereo Audio Power Amplifiers and
DirectDrive Headphone Amplifiers
______________________________________________________________________________________
11
Pin Description
PIN
MAX9750
MAX9751
MAX9755
NAME
FUNCTION
1
2
INL
Left-Channel Audio Input
2
BEEP
Audible Alert Beep Input
3, 19
PGND
Power Ground. Connect PGND to GND at a single point on the PCB near
the device.
4
OUTL+
Left-Channel Positive Speaker Output
5
OUTL-
Left-Channel Negative Speaker Output
6, 16
PVDD
Speaker Amplifier Power Supply
7
CPVDD
Charge-Pump Power Supply
8
C1P
Charge-Pump Flying-Capacitor Positive Terminal
9
CPGND
Charge-Pump Ground. Connect CPGND to PGND.
10
C1N
Charge-Pump Flying-Capacitor Negative Terminal
11
CPVSS
Charge-Pump Output. Connect to VSS.
12
VSS
Headphone Amplifier Negative Power Supply
13
HPOUTR
Right-Channel Headphone Output
14
HPOUTL
Left-Channel Headphone Output
15
HPVDD
Headphone Positive Power Supply
17
OUTR-
Right-Channel Negative Speaker Output
18
OUTR+
Right-Channel Positive Speaker Output
20
HPS
Headphone Sense Input
21
BIAS
Common-Mode Bias Voltage. Bypass with a 1F capacitor to GND.
22
SHDN
Shutdown. Drive SHDN low to disable the device. Connect SHDN to VDD
for normal operation.
23
GAIN2
Gain Control Input 2
24
GAIN1
Gain Control Input 1
25
VDD
Power Supply
26
23, 26
GND
Ground. Connect GND to PGND at a single point on the PCB near the
device.
27
28
INR
Right-Channel Audio Input
28
VOL
Analog Volume Control Input
1
INL1
Left-Channel Audio Input 1
2
INL2
Left-Channel Audio Input 2
23
IN1/2
Input Select
24
GAIN
Gain Select
27
INR1
Right-Channel Audio Input 1
28
INR2
Right-Channel Audio Input 2
1, 27
N.C.
No Connection. Not internally connected.
1, 27
N.C.
No Connection. Not internally connected.
EP
Exposed Paddle. Connect to GND.
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參數(shù)描述
MAX9750CETI+ 功能描述:音頻放大器 Integrated Circuits (ICs) 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
MAX9750CETI+C2U 功能描述:音頻放大器 Integrated Circuits (ICs) 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
MAX9750CETI+T 功能描述:音頻放大器 Integrated Circuits (ICs) 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
MAX9750CEUI 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX9751ETI+ 功能描述:音頻放大器 Integrated Circuits (ICs) 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