參數(shù)資料
型號(hào): MAX4411ETP+T
廠(chǎng)商: Maxim Integrated Products
文件頁(yè)數(shù): 17/18頁(yè)
文件大小: 0K
描述: IC AMP AUDIO .08W STER AB 20TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
系列: DirectDrive®
類(lèi)型: AB 類(lèi)
輸出類(lèi)型: 耳機(jī),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: 80mW x 2 @ 16 歐姆
電源電壓: 1.8 V ~ 3.6 V
特點(diǎn): 消除爆音,短路保護(hù)和熱保護(hù),關(guān)閉
安裝類(lèi)型: 表面貼裝
供應(yīng)商設(shè)備封裝: 20-TQFN-EP(4x4)
封裝/外殼: 20-WFQFN 裸露焊盤(pán)
包裝: 帶卷 (TR)
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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