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参数资料
| 型号： | DG444B |
| 厂商： | Vishay Intertechnology,Inc. |
| 英文描述： | Improved Quad SPST CMOS Analog Switches |
| 中文描述： | 改进的四路SPST CMOS模拟开关 |
| 文件页数： | 1/7页 |
| 文件大小： | 115K |
| 代理商： | DG444B |
Top View
S2
V+
VL
S3
IN3 D3
D4 IN4
IN2 D2
D1 IN1
S1
V
GND
S4
1
2
3
4
5
6
8
7
16 15 14 13
12
11
10
9
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Top View
IN1
IN2
D1
D2
S1
S2
V
V+
GND
VL
S4
S3
D4
D3
IN4
IN3
Dual-In-Line and SOIC
DG444B
QFN16 (4x4 mm)
DG444B/445B
Vishay Siliconix
New Product
Document Number: 72626
S-32554—Rev. A, 15-Dec-03
www.vishay.com
1
Improved Quad SPST CMOS Analog Switches
FEATURES
BENEFITS
APPLICATIONS
D Low On-Resistance: 45 W
D Low Power Consumption: 1.0 mW
D Fast Switching Action—tON: 120 ns
D Low Charge Injection
D TTL/CMOS Logic Compatible
D Low Signal Errors and Distortion
D Reduced Power Supply Consumption
D Faster Throughput
D Reduced Pedestal Errors
D Simple Interfacing
D Audio Switching
D Data Acquisition
D Sample-and-Hold Circuits
D Communication Systems
D Automatic Test Equipment
D Medical Instruments
DESCRIPTION
The DG444B/445B are monolithic quad analog switches
designed to provide high speed, low error switching of analog
and audio signals. The DG444B/445B are upgrades to the
original DG444/445.
Combing low on-resistance (45 , typ.) with high speed (tON
120 ns, typ.), the DG444B/445B are ideally suited for Data
Acquisition, Communication Systems, Automatic Test
Equipment, or Medical Instrumentation. Charge injection has
been minimized on the drain for use in sample-and-hold
circuits.
The DG444B/445B are built using Vishay Siliconix’s
high-voltage silicon-gate process. An epitaxial layer prevents
latchup.
When on, each switch conducts equally well in both directions
and blocks input voltages to the supply levels when off.
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
TRUTH TABLE
Logic
DG444B
DG445B
0
ON
OFF
1
OFF
ON
Logic “0” v 0.8 V
Logic “1” w 2.4 V
ORDERING INFORMATION
Temp Range
Package
Part Number
16 Pin Plastic DIP
DG444BDJ
16-Pin Plastic DIP
DG445BDJ
40 to 85_C
16 Pin Narrow SOIC
DG444BDY
40 to 85_C
16-Pin Narrow SOIC
DG445BDY
16 Pin QFN 4x4 mm
DG444BDN
16-Pin QFN 4x4 mm
DG445BDN
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DG444B_11 | 制造商:VISHAY 制造商全称:Vishay Siliconix 功能描述:Improved Quad SPST CMOS Analog Switches |
| DG444BDJ | 功能描述:模拟开关 IC Hi-Speed Quad SPST RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
| DG444BDJ-E3 | 功能描述:模拟开关 IC Hi-Speed Quad SPST RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
| DG444BDN | 制造商:VISHAY 制造商全称:Vishay Siliconix 功能描述:Improved Quad SPST CMOS Analog Switches |
| DG444BDN-T1-E4 | 功能描述:模拟开关 IC Hi-Speed Quad SPST RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
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