参数资料
型号: DG418LEUA+T
厂商: Maxim Integrated Products
文件页数: 13/13页
文件大小: 0K
描述: IC SWITCH SPST 8UMAX
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
功能: 开关
电路: 1 x SPST- NO
导通状态电阻: 100 欧姆
电压电源: 单/双电源
电压 - 电源,单路/双路(±): 9 V ~ 36 V,±4.5 V ~ 20 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-uMAX
包装: 带卷 (TR)
DG417L/DG418L/DG419L
35
, SPST/SPDT, +3V
Logic-Compatible Analog Switches
_______________________________________________________________________________________
9
Applications Information
Power-Supply
Sequencing-Free Operation
Most CMOS switches require specific power-supply
sequencing in order to prevent device latchup. The
older DG417/DG418/DG419 devices require a proper
power-supply sequence of V+, VL, then V-. Otherwise,
it is necessary to add signal diodes to the circuit in
order to prevent potential latchups. The new
DG417L/DG418L/DG419L devices eliminate the need
for a VL input and allow any power-up sequence. Do
not exceed the absolute maximum ratings because
stresses beyond the listed ratings may cause perma-
nent damage to the devices.
+3V
0
VCOM
0.9 x VOUT
LOGIC
INPUT
V-
RL
300
GND
CL INCLUDES FIXTURE AND STRAY CAPACITANCE.
NO
COM
NC
V+
CL
35pF
+10V
tD
IN
V+
V-
VOUT
LOGIC
INPUT
DG419L
Figure 4. Charge Injection
VGEN
GND
NC OR
NO
CL
1nF
VOUT
V-
V+
N.C.
VOUT
IN
OFF
ON
OFF
VOUT
Q =
VOUT x CL
COM
IN DEPENDS ON SWITCH CONFIGURATION;
INPUT POLARITY DETERMINED BY SENSE OF SWITCH.
OFF
ON
OFF
IN
VIN = +3V
DG417L
DG418L
DG419L
V+
Figure 3. DG419L Break-Before-Make Interval
______________________________________Test Circuits/Timing Diagrams (continued)
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相关代理商/技术参数
参数描述
DG419 制造商:VISHAY 制造商全称:Vishay Siliconix 功能描述:DG419
DG419AK 功能描述:模拟开关 IC SPDT Analog Switch 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
DG419AK/883 制造商:Vishay Semiconductors 功能描述:
DG419AK/883B 功能描述:模拟开关 IC SPDT Precision CMOS 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
DG419AK-E3 制造商:Vishay Siliconix 功能描述:SINGLE SPDT MINIDIP