Chuantuwei ca-is3720lw alternative material No. iso7820fdw

summary

CA-IS372x It's a high performance 2 Channel digital isolator has accurate timing characteristics and low power loss . In isolation CMOS Numbers I/O when ,CA-IS372x The device can provide high electromagnetic immunity and low radiation . All device versions have Schmitt trigger inputs , It can achieve high anti noise performance . The logic input and output buffers of each isolated channel are controlled by the controller (SiO2) Insulated grid isolation . CA-IS3720 The device has two forward dual channels ,CA-IS3721 One forward, one reverse, two channels , CA-IS3722 and CA-IS3721 The channel is opposite , With one reverse and one forward two channels . All devices have fail safe mode options . If the power supply at the input side is powered off or the signal is lost , For the suffix L The equipment , The default output is low , For with suffix H The equipment , The default output is high .

CA-IS372x The device has high insulation capacity , Helps prevent noise and surges on the data bus or other circuits from entering the local ground terminal , So as to interfere with or damage the sensitive circuit . high CMTI The capability is expected to ensure the correct transmission of digital signals . CA-IS372x The device adopts 8 Narrow body of foot SOIC,8 Feet wide body SOIC and 16 Feet wide body SOIC encapsulation . All products have 3.75kVrms Isolation rating of , Wide package products support insulation and withstand voltage up to 5kVrms.

application

•  industrial automation
•  Motor control
•  Medical electronics
•  Power isolating switch
•  Solar inverters
•  Isolation  ADC, DAC 

characteristic

•  Signal transmission rate : DC to 150Mbps
•  Wide power supply voltage range ： 2.5V to 5.5V
•  Wide temperature range : -40°C to 105°C
•  There is no need to start initialization
•  Default output high and low options
•  Excellent electromagnetic immunity
•  high  CMTI: ±150kV/µs ( Typical values )
•  low power consumption , ( Typical values ):
       The current is  1.5mA/ passageway （@5V, 1Mbps ）
       The current is  6.6mA/ passageway （@5V, 100Mbps ） 

•  Precise timing  ( Typical values )
      8ns  Propagation delay
      1ns  Pulse width distortion
      2ns  Propagation delay deviation
      5ns  Minimum pulse width
•  the height is  5KVRMS  Isolation voltage
•  Barrier life : >40  year
•  Schmidt trigger input
•  Narrow body  SOIC8(S), Wide body  SOIC8(G) Packaging and wide body SOIC16(W), accord with  RoHS  standard  

Device information

PART NUMBER	PACKAGE	BODY SIZE(NOM)
CA-IS3720 CA-IS3721 CA-IS3722	SOIC8(S)	4.90mm×3.90mm
	SOIC8-WB(G)	5.85mm×7.50mm
	SOIC16-WB(W)	10.30mm×7.50mm

Simplify the channel structure

  It can replace imported materials ：ISO7720FDW,ISO7820FDW