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MAX4904

更新时间： 2024-11-28 14:58:07
品牌 Logo 应用领域
亚德诺 - ADI 开关光电二极管
页数 文件大小 规格书
13页 347K
描述
低RON、双路SPST/单路SPDT、无喀嗒声切换开关，可处理负信号

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MAX4904 数据手册

 浏览型号MAX4904的Datasheet PDF文件第2页浏览型号MAX4904的Datasheet PDF文件第3页浏览型号MAX4904的Datasheet PDF文件第4页浏览型号MAX4904的Datasheet PDF文件第5页浏览型号MAX4904的Datasheet PDF文件第6页浏览型号MAX4904的Datasheet PDF文件第7页 
19-3775; Rev 2; 5/06  
Low-R , Dual-SPST/Single-SPDT Clickless  
ON  
Switches with Negative Rail Capability  
General Description  
Features  
The MAX4901–MAX4905 switches feature negative  
signal capability that allows signals below ground to pass  
through without distortion. The MAX4901/MAX4902 are a  
dual SPST (single-pole/single-throw) and the MAX4903/  
MAX4904/MAX4905 are a single SPDT (single-  
pole/double-throw) configuration. These analog switches  
operate from a single +1.8V to +5.5V supply and have  
low 0.6 on-resistance, making them ideal for switching  
audio signals.  
♦ Distortion-Free Signal Throughput Down  
to V - 5.5V  
♦ Comparator for Headphone or  
Mute Detection (MAX4905)  
♦ Clickless Switches with Internal Shunt Resistors  
CC  
(MAX4902/MAX4904/MAX4905)  
♦ 0.6 (typ) Low On-Resistance (R  
♦ 0.25 On-Resistance Flatness  
♦ +1.8V to +5.5V Supply Voltage  
♦ 0.04% THD  
)
ON  
The MAX4905 includes a comparator that can be used  
for headphone detection or mute/send key function. The  
MAX4902/MAX4904/MAX4905 have internal shunt resis-  
tors to automatically discharge any capacitance at the  
NO_ and NC connection points. This reduces click-and-  
pop sounds that occur when switching audio signals  
between pre-charged points. A break-before-make fea-  
ture and auto-discharge also help to reduce popping.  
Pin Configurations  
TOP VIEW  
BUMPS ON BOTTOM  
MAX4903/MAX4904/MAX4905  
MAX4901/MAX4902  
These SPST and SPDT switches are available in  
space-saving 8-pin TDFN and 9-bump UCSP™ pack-  
ages and operate over the -40°C to +85°C extended  
temperature range.  
1
2
3
1
2
3
A
B
C
A
B
C
IN  
NO1  
N.C.  
IN1  
V
COM1  
NO  
CC  
Applications  
Cell Phones  
Notebook Computers  
COM N.C. (CMPO) GND  
V
GND  
IN2  
CC  
PDAs and Handheld Devices MP3 Players  
N.C.  
COM2  
N.C. (CMP-)  
NC  
NO2  
3 x 3 UCSP  
( ) MAX4905 ONLY  
3 x 3 UCSP  
Pin Configurations continued at end of data sheet.  
UCSP is a trademark of Maxim Integrated Products, Inc.  
Ordering Information/Selector Guide  
PART  
PIN-PACKAGE  
TOP MARK CONFIGURATION  
COMPARATOR  
SHUNT  
No  
PKG CODE  
B9-1  
MAX4901EBL-T 1.5mm x 1.5mm 9 UCSP-9  
AEU  
AOW  
AEV  
AOX  
AEY  
AOY  
AEW  
AOZ  
AEX  
APA  
2 x SPST  
2 x SPST  
2 x SPST  
2 x SPST  
1 x SPDT  
1 x SPDT  
1 x SPDT  
1 x SPDT  
1 x SPDT  
1 x SPDT  
No  
No  
No  
No  
No  
No  
No  
No  
Yes  
Yes  
MAX4901ETA-T  
MAX4902EBL-T  
MAX4902ETA-T  
MAX4903EBL-T  
MAX4903ETA-T  
MAX4904EBL-T  
MAX4904ETA-T  
MAX4905EBL-T  
MAX4905ETA-T  
8 TDFN-8  
1.5mm x 1.5mm 9 UCSP-9  
8 TDFN-8  
No  
T833-2  
B9-1  
Yes  
Yes  
No  
T833-2  
B9-1  
1.5mm x 1.5mm 9 UCSP-9  
8 TDFN-8  
No  
T833-2  
B9-1  
1.5mm x 1.5mm 9 UCSP-9  
8 TDFN-8  
Yes  
Yes  
Yes  
Yes  
T833-2  
B9-1  
1.5mm x 1.5mm 9 UCSP-9  
8 TDFN-8  
T833-2  
Note: All devices operate over the -40°C to +85°C operating temperature range.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
1234567...13

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