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MAX4685

更新时间： 2024-11-20 22:35:15
品牌 Logo 应用领域
美信 - MAXIM 开关光电二极管
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12页 335K
描述
0.5 з/0.8 зLow-Voltage, Dual SPDT Analog Switches in UCSP

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MAX4685 数据手册

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19-1977; Rev 3; 2/03  
0.5Ω/0.8Ω Low-Voltage, Dual SPDT  
Analog Switches in UCSP  
General Description  
Features  
✕ 12-Bump, 0.5mm-Pitch UCSP  
The MAX4684/MAX4685 low on-resistance (R ), low-  
ON  
✕ NC Switch R  
voltage, dual single-pole/double-throw (SPDT) analog  
switches operate from a single +1.8V to +5.5V supply.  
ON  
0.5Ω max (+2.7V Supply) (MAX4684)  
0.8Ω max (+2.7V Supply) (MAX4685)  
The MAX4684 features a 0.5Ω (max) R  
for its NC  
ON  
✕ NO Switch R  
ON  
switch and a 0.8Ω (max) R  
for its NO switch at a  
ON  
0.8Ω max (+2.7V Supply)  
+2.7V supply. The MAX4685 features a 0.8Ω max on-  
resistance for both NO and NC switches at a +2.7V  
supply.  
✕ R  
✕ R  
Match Between Channels  
0.06Ω (max)  
Flatness Over Signal Range  
ON  
ON  
Both parts feature break-before-make switching action  
0.15Ω (max)  
(2ns) with t  
= 50ns and t  
= 40ns at +3V. The digi-  
ON  
OFF  
✕ +1.8V to +5.5V Single-Supply Operation  
✕ Rail-to-Rail® Signal Handling  
✕ 1.8V Logic Compatibility  
tal logic inputs are 1.8V logic-compatible with a +2.7V to  
+3.3V supply.  
The MAX4684/MAX4685 are packaged in the chipscale  
package (UCSP)™, significantly reducing the required  
✕ Low Crosstalk: -68dB (100kHz)  
✕ High Off-Isolation: -64dB (100kHz)  
✕ THD: 0.03%  
✕
PC board area. The chip occupies only a 2.0mm  
✕
1.50mm area. The 4 3 array of solder bumps are  
✕ 50nA (max) Supply Current  
✕ Low Leakage Currents  
spaced with a 0.5mm bump pitch.  
1nA (max) at T = +25°C  
A
Ordering Information  
________________________Applications  
Speaker Headset Switching  
PIN/BUMP-  
PACKAGE  
TOP  
MARK  
PART  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
MP3 Players  
MAX4684EBC  
MAX4684ETB  
12 UCSP*  
AAF  
Power Routing  
10 Thin QFN  
(3 ✕ 3)  
Battery-Operated Equipment  
Relay Replacement  
Audio and Video Signal Routing  
Communications Circuits  
PCMCIA Cards  
AAG  
MAX4684EUB  
-40°C to +85°C  
-40°C to +85°C  
10 µMAX  
12 UCSP*  
—
MAX4685EBC  
AAG  
10 Thin QFN  
(3 ✕ 3)  
MAX4685ETB  
MAX4685EUB  
-40°C to +85°C  
-40°C to +85°C  
AAH  
—
10 µMAX  
Cellular Phones  
Modems  
Note: Requires special solder temperature profile describing  
the Absolute Maximum Ratings section.  
UCSP is a trademark of Maxim Integrated Products, Inc.  
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.  
*UCSP reliability is integrally linked to the user’s assembly  
methods, circuit board material, and environment. Refer to the  
UCSP Reliability Notice in the UCSP Reliability section of this  
data sheet for more information.  
Pin Configurations/Functional Diagrams/Truth Table  
TOP VIEW  
MAX4684/MAX4685  
MAX4684/MAX4685  
GND  
C1  
C2  
B1  
A1  
A2  
NC1  
IN1  
NC2  
IN2  
1
2
3
4
5
10 NO2  
V+  
NO1  
9
COM2  
MAX4684/MAX4685  
IN2  
8
7
COM1  
IN1  
IN_  
0
NO_  
OFF  
ON  
NC_  
ON  
COM1 C3  
A3 COM2  
NC2  
GND  
NO1  
C4  
NO2  
A4  
1
OFF  
B4  
NC1  
6
SWITCHES SHOWN FOR LOGIC "0" INPUT  
V+  
Continued at end of data sheet.  
µMAX  
UCSP  
________________________________________________________________ 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...12

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