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DG445DY 参数 Datasheet PDF下载

DG445DY图片预览
型号: DG445DY
PDF下载: 下载PDF文件 查看货源
内容描述: 单片四路SPST , CMOS模拟开关 [Monolithic, Quad SPST, CMOS Analog Switches]
分类和应用: 开关光电二极管输出元件
文件页数/大小: 10 页 / 106 K
品牌: INTERSIL [ INTERSIL CORPORATION ]
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DG444, DG445
Data Sheet
June 1999
File Number
3586.5
Monolithic, Quad SPST, CMOS Analog
Switches
The DG444 and DG445 monolithic CMOS analog switches
are drop-in replacements for the popular DG211 and DG212
series devices. They include four independent single pole
single throw (SPST) analog switches and TTL and CMOS
compatible digital inputs.
These switches feature lower analog ON resistance (<85Ω)
and faster switch time (t
ON
<250ns) compared to the DG211
and DG212. Charge injection has been reduced, simplifying
sample and hold applications.
The improvements in the DG444 series are made possible
by using a high voltage silicon-gate process. An epitaxial
layer prevents the latch-up associated with older CMOS
technologies. The 44V maximum voltage range permits
controlling
±20V
signals when operating with
±20V
power
supplies.
The four switches are bilateral, equally matched for AC or
bidirectional signals. The ON resistance variation with
analog signals is quite low over a
±5V
analog input range.
The switches in the DG444 and DG445 are identical,
differing only in the polarity of the selection logic.
Features
• ON Resistance (Max) . . . . . . . . . . . . . . . . . . . . . . . . . 85Ω
• Low Power Consumption (P
D
) . . . . . . . . . . . . . . . . <35µW
• Fast Switching Action
- t
ON
(Max) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250ns
- t
OFF
(Max, DG444) . . . . . . . . . . . . . . . . . . . . . . . 140ns
• Low Charge Injection
• Upgrade from DG211/DG212
• TTL, CMOS Compatible
• Single or Split Supply Operation
Applications
• Audio Switching
• Battery Operated Systems
• Data Acquisition
• Hi-Rel Systems
• Sample and Hold Circuits
• Communication Systems
• Automatic Test Equipment
Pinout
DG444, DG445 (PDIP, SOIC)
TOP VIEW
IN
1
D
1
S
1
V-
GND
S
4
D
4
IN
4
1
2
3
4
5
6
7
8
16 IN
2
15 D
2
14 S
2
13 V+
12 V
L
11 S
3
10 D
3
9 IN
3
Ordering Information
PART NUMBER
DG444DJ
DG444DY
DG445DJ
DG445DY
TEMP.
RANGE (
o
C)
-40 to 85
-40 to 85
-40 to 85
-40 to 85
PACKAGE
16 Ld PDIP
16 Ld SOIC
16 Ld PDIP
16 Ld SOIC
PKG. NO.
E16.3
M16.15
E16.3
M16.15
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999