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Product Attributes

Introduction

The Broadcom ASSR- 14XX Series consists of an AlGaAs infrared light- emitting diode (LED) input stage that is optically coupled to a high- voltage output detector circuit. The detector consists of a high- speed photovoltaic diode array and driver circuitry to switch on/off two discrete high- voltage MOSFETs. The relay turns on (contact closes) with a minimum input current of 3 mA through the input LED. The relay turns off (contact opens) with an input voltage of 0.8V or less. The single- channel configurations, ASSR- 1410 and ASSR- 1411, are equivalent to 1 Form A Electromechanical Relays (EMR), and the dual- channel configuration, ASSR- 1420, is equivalent to 2 Form A EMR. They are available in 4- pin SO, 6- pin DIP, 8- pin DIP, and full wing surface mount for DIP packages. Their electrical and switching characteristics are specified over the temperature range of - 40°C to +85°C. They are used for general- purpose switching of signals and low- power AC/DC loads. ASSR- 1411 enables AC/DC and DC- only output connections. For DC- only connection, the output current, IO, increases to 1.2A and the on- resistance, R(ON), reduces to 0.5Ω.

Features

• Compact solid-state bidirectional signal switch
• Single- and dual-channel normally-off Single-Pole-Single-Throw (SPST) relay
• 60V output withstand voltage
• 0.6A or 1.2A current rating (See the schematics for ASSR-1411 connections A and B.)
• Low input current: CMOS compatibility
• Low on-resistance:
  • 0.2Ω typical for DC-only
  • 0.7Ω typical for AC/DC
• High-speed switching:
  • 0.1 ms (TON), 0.02 ms (TOFF) typical
• High transient immunity: >1 kV/μs
• High input-to-output insulation voltage (safety and regulatory approvals)
  • 3750 Vrms for 1 minute per UL1577
  • CSA component acceptance

Applications

• Telecommunication switching
• Data communications
• Industrial controls
• Medical
• Security
• EMR/Reed Relay replacement