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| 型号： | DG423DN |
| 厂商： | VISHAY SILICONIX |
| 元件分类： | 多路复用及模拟开关 |
| 英文描述： | DUAL 1-CHANNEL, SGL POLE DOUBLE THROW SWITCH, PQCC20 |
| 封装： | PLASTIC, LCC-20 |
| 文件页数： | 1/8页 |
| 文件大小： | 114K |
| 代理商： | DG423DN |
L
atch
D1
S1
WR
Dual-In-Line
IN1
NC
V–
NC
GND
NC
VL
NC
V+
RS
IN2
D2
S2
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Top View
DG421
DG425
L
atch
D1
S1
WR
Dual-In-Line
IN1
D3
V–
S3
GND
S4
VL
D4
V+
RS
IN2
D2
S2
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Top View
DG421/423/425
Siliconix
S-52880—Rev. D, 28-Apr-97
1
Low-Power, High-Speed, Latchable CMOS Analog Switches
Features
Benefits
Applications
D Latched Control Inputs
D Rail-to-Rail Analog Input Range
D On-Resistance: 25 W
D Fast Switching Action—tON: 170 ns
D Micropower Requirements—PD: 35 nW
D TTL and CMOS Logic Compatible
D Low Leakage: 40 pA
D mP Compatible
D Wide Dynamic Range
D Reduced Component Count
D Low Signal Errors and Distortion
D Break-Before-Make Switching Action
D Battery-Compatible Operation
D Data Bus Switching
D Sample-and-Hold Circuits
D Programmable Filters
D mP Controlled Analog Systems
D Portable Instruments
D Telecommunication Systems
Description
The DG421/423/425 are monolithic analog switches
featuring latchable logic inputs to simplify interfacing with
microprocessors. This series combines fast switching speed
(tON: 170 ns, typ), and low on-resistance (rDS(on): 25
W,
typ) making it ideally suited for battery powered industrial
and military applications that require microprocessor
compatible analog switches.
The DG421 has two normally open switches (SPST). The
DG423 has two single-pole, double-throw (SPDT) pairs.
The DG425 has two normally open pairs (DPST).
To achieve high-voltage ratings and superior switching
performance, the DG421 series is built on Siliconix’s high
voltage silicon gate CMOS process. Break-before-make is
guaranteed for the DG423. An epitaxial layer prevents
latchup.
Each switch conducts equally well in both directions
when on and blocks input voltages up to the supply rail
voltages when off.
The input data latches become transparent when WR is
set low. When WR goes high the latches store the logic
control data. A low on RS resets all switches to their
default state (all inputs low).
Functional Block Diagram and Pin Configuration
Truth Table – DG421/DG425
WR
RS
INX
Switch
0
1
0
OFF
1
ON
Logic “0”
v 0.8 V
Logic “1”
w 2.4 V
Updates to this data sheet may be obtained via facsimile by calling Siliconix FaxBack, 1-408-970-5600. Please request FaxBack document #70052.
相关PDF资料 |
PDF描述 |
|---|---|
| DG428 | Single 8-Ch/Differential 4-Ch Latchable Analog Multiplexers |
| DG429 | Single 8-Ch/Differential 4-Ch Latchable Analog Multiplexers |
| DG43C1LC | SNAP ACTING/LIMIT SWITCH, SPDT, MOMENTARY, 1A, 30VDC, THROUGH HOLE-STRAIGHT |
| DG43C2RA | SNAP ACTING/LIMIT SWITCH, SPDT, MOMENTARY, 1A, 30VDC, 2.05mm, THROUGH HOLE-RIGHT ANGLE |
| DG43C3RA | SNAP ACTING/LIMIT SWITCH, SPDT, MOMENTARY, 1A, 30VDC, 2.05mm, THROUGH HOLE-RIGHT ANGLE |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DG423DN-T | 功能描述:模拟开关 IC 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 |
| DG423DY | 功能描述:模拟开关 IC 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 |
| DG423DY+ | 功能描述:模拟开关 IC Dual SPST Low Power CMOS Normally Open 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 |
| DG423DY+T | 功能描述:模拟开关 IC Dual SPST Low Power CMOS Normally Open 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 |
| DG423DY-T | 功能描述:模拟开关 IC 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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