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MAX13331

更新时间： 2023-12-20 18:45:22
品牌 Logo 应用领域
亚德诺 - ADI 放大器
页数 文件大小 规格书
15页 1068K
描述
汽车DirectDrive?耳机放大器，提供输出保护和诊断功能

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中文翻译

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MAX13331 数据手册

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EVALUATION KIT AVAILABLE  
Click here to ask about the production status of specific part numbers.  
MAX13330/MAX13331  
Automotive DirectDrive Headphone Amplifiers  
with Output Protection and Diagnostics  
General Description  
Features  
The MAX13330/MAX13331 stereo headphone ampli-  
fiers are designed for automotive applications requiring  
output short-circuit and ESD protection to battery/ground  
with diagnostics. These devices use Maxim’s unique  
● 4V to 5.5V Single-Supply Operation  
● 2MHz Charge Pump Prevents AM Radio Interference  
● Ground-Referenced Outputs Eliminate Bulky DC-  
Blocking Capacitors  
®
DirectDrive architecture to produce a ground-referenced  
● Short-to-Ground and Battery (V  
up to +45V)  
BAT  
output from a single supply, eliminating the need for large  
DC-blocking capacitors, saving board space and com-  
ponent height. The gain of the amplifier is set internally  
(-1.5V/V) on the MAX13330 or adjusted externally with  
resistors on the MAX13331.  
Output Protection, Load Dump Protection  
● Short-Circuit Diagnostic Output  
● Adjustable Gain (MAX13331) or Fixed -1.5V/V Gain  
(MAX13330)  
● 125mW per Channel into 32Ω at 0.01% THD+N  
● Integrated Click-and-Pop Suppression  
● High PSRR Eliminates LDO  
The MAX13330/MAX13331 deliver 120mW per channel  
into a 16Ω load or 135mW into a 32Ω load and have a low  
0.01% THD+N. Low output impedance and the efficient  
integrated charge pump allows the device to drive loads  
as low as 8Ω, enabling the use of small loudspeakers. An  
80dB at 217Hz PSRR allows these devices to operate  
from noisy digital supplies without an additional linear reg-  
ulator. These devices include ±15kV Human Body Model  
ESD protection and short-circuit protection up to +45V at  
the headphone outputs. Comprehensive click-and-pop  
circuitry suppresses audible clicks and pops on startup  
and shutdown. A low-power shutdown mode reduces the  
supply current to 3μA (typ).  
● No Degradation of Low-Frequency Response Due  
to Output Capacitors  
● ±15kV Human Body Model ESD Protection for  
Output Pins  
Ordering Information  
TEMP  
RANGE  
PIN-  
PACKAGE  
PART  
GAIN  
MAX13330GEE/V+T -1.5V/V -40°C to +105°C 16 QSOP  
The MAX13330/MAX13331 are specified from -40°C to  
+105°C AEC-Q100 Level 2 automotive temperature range  
and are available in a 16-pin QSOP package.  
Externally  
MAX13331GEE/V+T  
-40°C to +105°C 16 QSOP  
Set  
/V denotes an automotive qualified part.  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
T = Tape and reel.  
Applications  
● Automotive Entertainment Systems  
Typical Application Circuits appear at end of data sheet.  
● Automotive Rear Seat Entertainment Systems  
Simplified Block Diagram  
Pin Configuration  
ꢂ
INL  
SGND  
INR  
OUTL  
PGND  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
MAX13330  
LEFT-CHANNEL  
AUDIO IN  
V
SS  
MAX13330  
MAX13331  
SGND  
OUTR  
DIAG  
V
CLICK-AND-POP  
SUPPRESSION  
DD  
DIAGNOSTICS  
OUTPUT  
SHDN  
SHDN  
CPVDD  
C1P  
CPVSS  
C1N  
PGND  
RIGHT-CHANNEL  
AUDIO IN  
ꢀꢁOP  
DirectDrive is a registered trademark of Maxim Integrated  
Products, Inc.  
19-4341; Rev 5; 3/21  
1234567...15

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