Datasheet > 5962-01-389-0203

5962-01-389-0203

更新时间： 2024-02-27 18:36:45

品牌	Logo	应用领域
威世 - VISHAY		/
页数	文件大小	规格书
10页	102K
描述
Multiplexers/Switches, 1 Func, CMOS, CDIP8

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技术参数
数据手册

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5962-01-389-0203 技术参数

生命周期：	Contact Manufacturer	包装说明：	DIP, DIP8,.3
Reach Compliance Code：	unknown	HTS代码：	8542.39.00.01
风险等级：	5.79	JESD-30 代码：	R-XDIP-T8
功能数量：	1	端子数量：	8
最大通态电阻 (Ron)：	100 Ω	最高工作温度：	125 °C
最低工作温度：	-55 °C	封装主体材料：	CERAMIC
封装代码：	DIP	封装等效代码：	DIP8,.3
封装形状：	RECTANGULAR	封装形式：	IN-LINE
电源：	5,12/+-15 V	认证状态：	Not Qualified
子类别：	Multiplexer or Switches	表面贴装：	NO
最长接通时间：	175 ns	切换：	BREAK-BEFORE-MAKE
技术：	CMOS	温度等级：	MILITARY
端子形式：	THROUGH-HOLE	端子节距：	2.54 mm
端子位置：	DUAL	Base Number Matches：	1

5962-01-389-0203 数据手册

DG417/418/419

Vishay Siliconix

"APPLICATIONS (CONT'D)

Micropower UPS Transfer Switch

Programmable Gain Amplifier

When V_CCdrops to 3.3 V, the DG417 changes states, closing

SW₁and connecting the backup cell, as shown in Figure 11.

D₁prevents current from leaking back towards the rest of the

circuit. Current consumption by the CMOS analog switch is

around 100 pA; this ensures that most of the power available

is applied to the memory, where it is really needed. In the

stand-by mode, hundreds of mA are sufficient to retain memory

data.

The DG419, as shown in Figure 12, allows accurate gain

selection in a small package. Switching into virtual ground

reduces distortion caused by r_DS(on)variation as a function of

analog signal amplitude.

GaAs FET Driver

When the 5-V supply comes back up, the resistor divider

senses the presence of at least 3.5 V, and causes a new

change of state in the analog switch, restoring normal

operation.

The DG419, as shown in Figure 13 may be used as a GaAs

FETdriver. IttranslatesaTTLcontrolsignalinto–8-V, 0-Vlevel

outputs to drive the gate.

V+

(5 V)

–

SENSE

Memory

DG417

3 V Li Cell

453 kW

GND

V–

383 kW

FIGURE 11. Micropower UPS Circuit

+5 V

V+

DG419

GaAs FET

OUT

DG419

5 V

–

GND

V–

OUT

–8 V

FIGURE 12. Programmable Gain Amplifier

FIGURE 13. GaAs FET Driver

Document Number: 70051

S-52433—Rev. E, 06-Sep-99

www.vishay.com S FaxBack 408-970-5600

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