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参数资料
| 型号： | DG458DJ-E3 |
| 厂商： | Vishay Siliconix |
| 文件页数： | 13/13页 |
| 文件大小： | 0K |
| 描述： | IC MUX ANALOG SINGLE 8CH 16DIP |
| 标准包装： | 500 |
| 功能： | 多路复用器 |
| 电路： | 1 x 8:1 |
| 导通状态电阻： | 1.5 千欧 |
| 电压电源： | 双电源 |
| 电压 - 电源，单路/双路(±)： | ±15V |
| 电流 - 电源： | 100µA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 16-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 16-PDIP |
| 包装： | 管件 |
Document Number: 70064
S11-1029–Rev. H, 23-May-11
www.vishay.com
9
Vishay Siliconix
DG458, DG459
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
DETAILED DESCRIPTION
The Vishay Siliconix DG458 and DG459 multiplexers are
fully fault- and overvoltage-protected for continuous input
voltages up to ± 35 V whether or not voltage is applied to the
power supply pins (V+, V-). These multiplexers are built on a
high-voltage junction-isolated silicon-gate CMOS process.
Two n-channel and one p-channel MOSFETs are connected
in series to form each channel (Figure 1).
Within the normal analog signal range (± 10 V), the RDS(on)
variation as a function of analog signal voltage is comparable
to that of the classic parallel N-MOS and P-MOS switches.
When the analog signal approaches or exceeds either
supply rail, even for an on-channel, one of the three series
MOSFETs gets cut-off, providing inherent protection against
overvoltages even if the multiplexer power supply voltages
are lost. This protection is good up to the breakdown voltage
of the respective series MOSFETs. Under fault conditions
only sub microamp leakage currents can flow in or out of the
multiplexer. This not only provides protection for the
multiplexer and succeeding circuitry, but it allows normal,
undisturbed operation of all other channels. Additionally, in
case of power loss to the multiplexer, the loading caused on
the transducers and signal sources is insignificant, therefore
redundant multiplexers can be used on critical applications
such as telemetry and avionics.
Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon Tech-
nology and Package Reliability represent a composite of all qualified locations. For related documents such as package/tape drawings, part marking, and reliability
data, see http://www.vishay.com/ppg?70064.
Figure 5. Overvoltage Protection
- 15 V
+ 15 V
- 35 V
Overvoltage
+ 35 V
Overvoltage
Q1
Q2
Q3
n-Channel
MOSFET
is On
p-Channel
MOSFET
is Off
n-Channel
MOSFET
is Off
- 15 V
+ 15 V
D
S
G
D
S
G
D
S
G
- 35 V
Overvoltage
+ 35 V
Overvoltage
Q1
Q2
Q3
- 35 V
n-Channel
MOSFET
is On
p-Channel
MOSFET
is Off
n-Channel
MOSFET
is Off
(b) Overvoltage with Multiplexer Power On
(a) Overvoltage with Multiplexer Power Off
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DG459 | 制造商:VISHAY 制造商全称:Vishay Siliconix 功能描述:Fault-Protected Single 8-Ch/Differential 4-Ch Analog Multiplexers |
| DG4599 | 制造商:VISHAY 制造商全称:Vishay Siliconix 功能描述:Low-Voltage Single-Supply, SPDT Analog Switch in SC-70 |
| DG4599_08 | 制造商:VISHAY 制造商全称:Vishay Siliconix 功能描述:Low-Voltage Single-Supply, SPDT Analog Switch in SC-70 |
| DG4599DL | 制造商:VISHAY 制造商全称:Vishay Siliconix 功能描述:Low-Voltage Single-Supply, SPDT Analog Switch in SC-70 |
| DG4599DL-T1 | 功能描述:多路器开关 IC Lo-Pwr Hi-Spd SPDT RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
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