参数资料
型号: MAX4411EBE+T
厂商: Maxim Integrated Products
文件页数: 17/18页
文件大小: 0K
描述: IC AMP AUDIO .08W STER AB 16UCSP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
系列: DirectDrive®
类型: AB 类
输出类型: 耳机,2-通道(立体声)
在某负载时最大输出功率 x 通道数量: 80mW x 2 @ 16 欧姆
电源电压: 1.8 V ~ 3.6 V
特点: 消除爆音,短路保护和热保护,关闭
安装类型: 表面贴装
供应商设备封装: 16-UCSP(2x2)
封装/外壳: 16-WFBGA,CSPBGA
包装: 标准包装
其它名称: MAX4411EBE+TDKR
MAX4411
80mW, Fixed-Gain, DirectDrive, Stereo
Headphone Amplifier with Shutdown
8
_______________________________________________________________________________________
Pin Description
PIN
BUMP
QFN
UCSP
NAME
FUNCTION
1
A4
C1P
Flying Capacitor Positive Terminal
2
B4
PGND
Power Ground. Connect to ground (0V).
3
C4
C1N
Flying Capacitor Negative Terminal
4, 6, 8, 12,
16, 20
N.C.
No Connection. Not internally connected.
5D4
PVSS
Charge-Pump Output
7D3
SVSS
Amplifier Negative Power Supply. Connect to PVSS.
9
D2
OUTL
Left-Channel Output
10
D1
SVDD
Amplifier Positive Power Supply. Connect to positive supply (1.8V to 3.6V).
11
C2
OUTR
Right-Channel Output
13
C1
INL
Left-Channel Audio Input
14
B1
SHDNR
Active-Low Right-Channel Shutdown. Connect to VDD for normal operation.
15
A1
INR
Right-Channel Audio Input
17
A2
SGND
Signal Ground. Connect to ground (0V).
18
B2
SHDNL
Active-Low Left-Channel Shutdown. Connect to VDD for normal operation.
19
A3
PVDD
Charge-Pump Power Supply. Powers charge-pump inverter, charge-pump logic, and
oscillator. Connect to positive supply (1.8V to 3.6V).
——
EP
Exposed Paddle. Leave unconnected. Do not connect to any voltage including
GND or VDD.
POWER-UP/DOWN WAVEFORM
MAX4411 toc41
OUT_
OUT_FFT
VDD
3V
20dB/div
10mV/div
0V
200ms/div
FFT: 25Hz/div
-100dB
RL = 32
Ω
VIN_ = GND
Typical Operating Characteristics (continued)
(C1 = C2 = 2.2F, THD+N measurement bandwidth = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)
EXITING SHUTDOWN
MAX4411 toc40
OUTR
SHDNR
2V/div
500mV/div
200
μs/div
fIN = 1kHz
RL = 32
Ω
SHDNL = GND
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