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DG442

更新时间： 2024-12-02 14:58:03
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亚德诺 - ADI 开关
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9页 126K
描述
改进的四路、SPST模拟开关

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DG442 数据手册

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19-4611; Rev 5; 5/09  
Improved, Quad, SPST Analog Switches  
1/DG42  
General Description  
New Features  
♦ Plug-In Upgrades for Industry-Standard DG441/DG442  
Maxim’s redesigned DG441/DG442 analog switches  
now feature on-resistance matching (4Ω max) between  
switches and guaranteed on-resistance flatness over  
the signal range (9Ω max). These low on-resistance  
switches conduct equally well in either direction. They  
guarantee low charge injection (10pC max), low power  
consumption (1.65mW), and an ESD tolerance of 2000V  
minimum per Method 3015.7. The new design offers  
lower off-leakage current over temperature (less than  
5nA at +85°C).  
♦ Improved r  
DS(ON)  
Match Between Channels(4Ωmax)  
Over Signal Range (9Ωmax)  
♦ Improved Charge Injection (10pC max)  
♦ Improved Off-Leakage Current Over Temperature  
♦ Guaranteed r  
FLAT(ON)  
(<5nA at +85°C)  
♦ Withstand Electrostatic Discharge (2000V min)  
per Method 3015.7  
Existing Features  
The DG441/DG442 are quad, single-pole/single-throw  
(SPST) analog switches. The DG441 has four normally  
closed switches, and the DG442 has four normally  
open switches. Switching times are less than 250ns for  
♦ Low rDS(ON) (85Ω max)  
♦ Single-Supply Operation +10V to +30V  
Bipolar-Supply Operation 4.5V to 20V  
♦ Low Power Consumption (1.65mW max)  
t
and less than 170ns for t  
. These devices oper-  
ON  
OFF  
ate from a single +10V to +30V supply, or bipolar 4.5V  
to 20V supplies. Maxim’s improved DG441/DG442  
continue to be fabricated with a 44V silicon-gate  
process.  
♦
Rail-to-Rail Signal Handling  
♦ TTL/CMOS-Logic Compatible  
Ordering Information  
PART  
DG441CJ  
DG441CY  
DG441C/D  
DG441DJ  
DG441DY  
TEMP RANGE  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
16 Plastic DIP  
16 Narrow SO  
Dice*  
Applications  
PBX, PABX  
Guidance and Control  
Systems  
Audio-Signal Routing  
Military Radios  
Modems  
Sample-and-Hold Circuits  
Communication Systems  
Test Equipment  
Battery-Operated Systems  
Heads-Up Displays  
Fax Machines  
16 Plastic DIP  
16 Narrow SO  
Ordering Information continued at end of data sheet.  
Note: Devices are available in both leaded and lead(Pb)-free  
packaging. Specify lead-free by adding the + symbol at the  
end of the part number when ordering.  
*Contact factory for dice specifications.  
Pin Configurations/Functional Diagrams/Truth Tables  
TOP VIEW  
TOP VIEW  
D1  
16  
IN1  
15  
IN2  
14  
D2  
13  
D1  
16  
IN1  
15  
IN2  
14  
D2  
13  
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
IN1  
D1  
S1  
V-  
16  
15 D2  
S2  
13 V+  
IN1  
16 IN2  
15 D2  
14 S2  
13 V+  
IN2  
D1  
S1  
V-  
S1  
V-  
1
2
3
4
12 S2  
11 V+  
S1  
V-  
1
2
3
4
12 S2  
11 V+  
10 N.C.  
14  
DG442  
DG441  
N.C.  
12  
11  
10  
9
GND  
S4  
12  
11  
10  
9
GND  
S4  
N.C.  
S3  
DG441  
DG442  
S3  
GND  
S4  
10 N.C. GND  
*EP  
*EP  
D3  
IN3  
D4  
D3  
D4  
IN4  
IN3  
9
9
IN4  
S3  
S4  
S3  
DIP/SO  
DIP/SO  
5
6
7
8
5
6
7
8
DG441  
DG442  
LOGIC  
SWITCH  
ON  
LOGIC  
SWITCH  
D4  
IN4  
IN3  
D3  
D4  
IN4  
IN3  
D3  
0
1
0
1
OFF  
ON  
THIN QFN  
THIN QFN  
*EP = EXPOSED PAD. CONNECT EXPOSED PAD TO V+.  
OFF  
SWITCHES SHOWN FOR LOGIC “0” INPUT  
N.C. = Not Internally Connected  
_______________________________________________________________________________________  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
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