参数资料
型号: MAX9787ETI+T
厂商: Maxim Integrated Products
文件页数: 12/15页
文件大小: 0K
描述: IC AMP AUDIO PWR 2.2W AB 28TQFN
标准包装: 2,500
类型: AB 类
输出类型: 2 通道(立体声)
在某负载时最大输出功率 x 通道数量: 2.2W x 2 @ 3 欧姆
电源电压: 4.5 V ~ 5.5 V
特点: 消除爆音,短路保护和热保护,关机,音量控制
安装类型: 表面贴装
供应商设备封装: 28-TQFN-EP(5x5)
封装/外壳: 28-WFQFN 裸露焊盘
包装: 带卷 (TR)
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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