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DG212BDJ 参数 Datasheet PDF下载

DG212BDJ图片预览
型号: DG212BDJ
PDF下载: 下载PDF文件 查看货源
内容描述: 改进的四路CMOS模拟开关 [Improved Quad CMOS Analog Switches]
分类和应用: 复用器开关复用器或开关信号电路光电二极管
文件页数/大小: 8 页 / 88 K
品牌: VISHAY [ VISHAY TELEFUNKEN ]
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DG211B/212B
Vishay Siliconix
Improved Quad CMOS Analog Switches
FEATURES
D
D
D
D
D
D
D
D
"22-V
Supply Voltage Rating
TTL and CMOS Compatible Logic
Low On-Resistance—r
DS(on)
: 50
W
Low Leakage—I
D(on)
: 20 pA
Single Supply Operation Possible
Extended Temperature Range
Fast Switching—t
ON
: 120 ns
Low Charge Injection—Q: 1 pC
BENEFITS
D
D
D
D
D
D
D
Wide Analog Signal Range
Simple Logic Interface
Higher Accuracy
Minimum Transients
Reduced Power Consumption
Superior to DG211/212
Space Savings (TSSOP)
APPLICATIONS
D
D
D
D
D
D
D
Industrial Instrumentation
Test Equipment
Communications Systems
Disk Drives
Computer Peripherals
Portable Instruments
Sample-and-Hold Circuits
DESCRIPTION
The DG211B/212B analog switches are highly improved
versions of the industry-standard DG211/212. These devices
are fabricated in Vishay Siliconix’ proprietary silicon gate
CMOS process, resulting in lower on-resistance, lower
leakage, higher speed, and lower power consumption.
up to
"22
V, and have an improved continuous current rating
of 30 mA. An epitaxial layer prevents latchup.
All devices feature true bi-directional performance in the on
condition, and will block signals to the supply levels in the off
condition.
These quad single-pole single-throw switches are designed
for a wide variety of applications in telecommunications,
instrumentation, process control, computer peripherals, etc. An
improved charge injection compensation design minimizes
switching transients. The DG211B and DG212B can handle
The DG211B is a normally closed switch and the DG212B is
a normally open switch. (See Truth Table.)
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
DG211B
Dual-In-Line, SOIC and TSSOP
IN
1
D
1
S
1
V–
GND
S
4
D
4
IN
4
1
2
3
4
5
6
7
8
Top View
16
15
14
13
12
11
10
9
IN
2
D
2
S
2
V+
V
L
S
3
D
3
IN
3
Logic “0”
v
0.8 V
Logic “1”
w
2.4 V
TRUTH TABLE
Logic
0
1
DG211B
ON
OFF
DG212B
OFF
ON
Document Number: 70040
S-00788—Rev. H, 24-Apr-00
www.vishay.com
S
FaxBack 408-970-5600
4-1