參數(shù)資料
型號: MAX4740HETE+
廠商: Maxim Integrated Products
文件頁數(shù): 11/13頁
文件大?。?/td> 0K
描述: IC SWITCH QUAD SPDT 16TQFN
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 100
功能: 開關
電路: 4 x SPDT
導通狀態(tài)電阻: 900 毫歐
電壓電源: 單電源
電壓 - 電源,單路/雙路(±): 1.6 V ~ 5.5 V
電流 - 電源: 1µA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-WFQFN 裸露焊盤
供應商設備封裝: 16-TQFN-EP(3x3)
包裝: 管件
Power-Supply Sequencing and Overvoltage
Protection
Caution: Do not exceed the Absolute Maximum
Ratings since stresses beyond the listed ratings
may cause permanent damage to the device.
Proper power-supply sequencing is recommended for
all CMOS devices. Improper supply sequencing can
force the switch into latch-up, causing it to draw exces-
sive supply current. The only way out of latch-up is to
recycle the power and reapply properly. Connect all
ground pins first, then apply power to VCC , and finally
apply signals to NO_, NC_, and COM_. Follow the
reverse order upon power-down.
Chip Information
PROCESS: BICMOS
MAX4740/MAX4740H
Quad SPDT Audio Switches
_______________________________________________________________________________________
7
CB1
CB2
GND
NC1
COM1
COM2
NO1
NO2
NC2
CONTROL
LOGIC
VCC
MAX4740
SWITCH 1
SWITCH 2
NC3
COM3
NO3
NC4
COM4
NO4
CB1
CB2
GND
NC1
COM1
COM2
NO1
NO2
NC2
CONTROL
LOGIC
VCC
MAX4740H
NC3
COM3
NO3
NC4
COM4
NO4
Hi Z
SWITCH 3
SWITCH 4
SWITCH 1
SWITCH 2
SWITCH 3
SWITCH 4
Hi Z
Figure 1. Functional Diagram
tr < 5ns
tf < 5ns
50%
0V
LOGIC
INPUT
RL
COM_
GND
CB_
CL INCLUDES FIXTURE AND STRAY CAPACITANCE.
VNC_ OR VNO_
VCC
tOFF
0V
NO_
OR NC_
0.8 x V0UT
0.8 x VOUT
tON
VOUT
SWITCH
OUTPUT
LOGIC
INPUT
CB DEPENDS ON SWITCH CONFIGURATION;
INPUT POLARITY DETERMINED BY SENSE OF SWITCH.
VCC
CL
VCC
VOUT
MAX4740
MAX4740H
Figure 2. Switching Time
Test Circuits/Timing Diagrams
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