Analog/Digital Isolator

Analog/Digital Isolator

The Analog/Digital Isolator provides an isolated analog speaker driver circuit and five (5) isolated TTL/toggle switch compatible relay switch outputs to break ground loops and protect sensitive downstream equipment.


  • Protects downstream equipment against electrostatic discharge events (ESD) and against upstream faults
  • Prevents ground loops signal errors that affect signal integrity
  • Safely increases connection distance without compromising quality and reliability

Product Features

  • Isolated grounds between input and output
  • 19” rack-mountable enclosure
  • Lightweight 5052-H32 aluminum alloy enclosure
  • Laser etched silkscreened lettering permanently protected with clear coat
  • IEC-60320-C14 fused inlet with cord retaining clip to prevent unintentional disconnects
  • Redundant power supplies with external LED health indicators
  • 85-264 VAC 47-63 Hz wide power input range
  • Power supplies conform to conducted and radiated EMI EN55011-B, EN55032-B, CISPR11-B, CISPR22-B, EN61204-3 Class A
  • Electrical power
    • Input: single-phase
    • Input voltage range: 85 to 264VAC
    • Efficiency: 90% typ
  • Data signals
    • Isolated analog speaker driver count: 1
    • Analog speaker driver frequency response: 20-10 kHz (3dB)
    • Isolated TTL or toggle switch controlled relays: 5
    • TTL input current: 11 mA
    • LED indicators for closed relay: yellow
    • Relay: 1 NO contact, 250VAC/125VDC, 3A continuous, AgNi hard gold-plated
    • Relay mechanical life: ~20M
    • Isolation: 2000 Vrms typical winding to contact
  • Packaging
    • 19” rack mount standard
    • Lightweight aluminum 5052-H32
    • Replaceable components to reduce downtime
    • Convection cooling (no fan)
  • DB25 connectors
    • DB25 male input connectors
    • DB25 female output connectors
  • Environmental
    • Operating temperature range: -20 to 50 °C
    • Storage temperature range: -20 to 70 °C
    • Humidity: 5 – 95%
    • Altitude: 3000m
    • Cooling: convection

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