參數(shù)資料
型號(hào): MAX9787ETI+
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 12/15頁(yè)
文件大?。?/td> 0K
描述: IC AMP AUDIO PWR 2.2W AB 28TQFN
標(biāo)準(zhǔn)包裝: 60
類(lèi)型: AB 類(lèi)
輸出類(lèi)型: 2 通道(立體聲)
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
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(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
MAX9787
2.2W Stereo Audio Power Amplifier
with Analog Volume Control
6
_______________________________________________________________________________________
Pin Description
PIN
NAME
FUNCTION
1
INL
Left-Channel Audio Input
2
BEEP
Audible Alert Beep Input
3, 19
PGND
Power Ground
4
OUTL+
Left-Channel Positive Speaker Output
5
OUTL-
Left-Channel Negative Speaker Output
6, 15, 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
10
C1N
Charge-Pump Flying-Capacitor Negative Terminal
11
CPVSS
Charge-Pump Output. Connect to VSS.
12
VSS
Amplifier Negative Power Supply
13, 14
N.C.
No Connection. Not internally connected.
17
OUTR-
Right-Channel Negative Speaker Output
18
OUTR+
Right-Channel Positive Speaker Output
20, 26
GND
Ground
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
27
INR
Right-Channel Audio Input
28
VOL
Analog Volume Control Input
EP
Exposed Pad. Connect to GND.
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