ایزولاتور ایزولاتور دیجیتال

Product Attributes

Introduction

CA-IS376x is a high-performance six-channel digital isolator with precise timing characteristics and low power dissipation. When isolating CMOS digital I/O, CA-IS376x devices provide high electromagnetic immunity and low emissions. All device versions feature Schmitt-trigger inputs for high noise immunity.

The logic input and output buffers of each isolation channel are separated by a silicon dioxide (SiO₂) insulation barrier. CA-IS3760 has six channels in the same direction; CA-IS3761 has five forward and one reverse channel; CA-IS3762 has four forward and two reverse channels; CA-IS3763 has three forward and three reverse channels. All devices feature a failsafe mode option. If the input-side power supply fails or the signal is lost, devices with suffix L default to a low output, while devices with suffix H default to a high output.

CA-IS376x devices offer high isolation capability, helping to prevent noise and surges on data buses or other circuits from entering the local ground and interfering with or damaging sensitive circuitry. High CMTI capability ensures correct transmission of digital signals. CA-IS376x devices are available in 16-pin narrow-body SOIC and 16-pin wide-body SOIC packages. All products carry an isolation rating of 3.75kVrms, with wide-body package variants supporting dielectric withstand voltage up to 5kVrms.

Features

• Signal transmission rate: DC to 150Mbps
• Wide supply voltage range: 2.5V to 5.5V
• Wide temperature range: -40°C to 125°C
• No start-up initialization required
• Default output high and low options
• Excellent electromagnetic immunity
• High CMTI: ±150kV/μs (typical)
• Low power consumption (typical): 1.5mA/channel (@5V, 1Mbps), 6.6mA/channel (@5V, 100Mbps)
• Precise timing (typical): 8ns propagation delay, 1ns pulse width distortion, 2ns propagation delay skew, 5ns minimum pulse width
• Isolation voltage up to 5KVrms
• Isolation barrier lifetime: >40 years
• Tri-state output with enable pin
• Schmitt trigger input
• Narrow-body SOIC16-NB(N) and wide-body SOIC16-WB(W) packages, RoHS compliant

Applications

• Industrial automation
• Motor control
• Medical electronics
• Isolated switching power supplies
• Solar inverters
• Isolated ADC, DAC