ADuM3195: Isolated amplifier with adjustable gain and single-ended output

Unlike optocoupler-based solutions, which have an uncertain current transfer ratio over their lifetime and at high temperatures, the ADuM3195 transfer functions do not change over their lifetime, and are stable over a wide temperature range of −40°C to +125°C.

Included in the ADuM3195 are wideband operational amplifiers useful for a variety of commonly used applications. Included in the ADuM3195 are two high-accuracy 2.5 V reference outputs.

The ADuM3195 is packaged in a 16-lead quarter small outline package (QSOP) for a 3000 Vrms isolation voltage rating.

Key Features and Benefits

  • High-Impedance input for isolated voltage measurement
  • Low offset error and drift (output offset voltage): ±6 mV (Max) at 25°C and −22 μV/°C (Typ)
  • Low gain error and drift: ±0.5% (max) and ±27 ppm/°C (max)
  • Voltage-supply range
  • VDD1: 4.5 V to 5.5 V
  • VDD2: 4.5 V to 5.5 V
  • Bandwidth: 210 kHz
  • Isolation voltage: 3000 V rms for ADuM3195
  • Safety and regulatory approvals (pending)
  • UL recognition (pending): 3000 V rms for 1 minute per UL 1577
  • CSA (pending)
  • VDE certificate of conformity (pending)
  • DIN VDE V 0884-11:2017-01
  • VIORM = 636 V peak (reinforced)
  • Wide temperature range
  • −40°C to +125°C ambient operation
  • 150°C maximum junction temperature
  • AEC-Q100 qualified for automotive applications

Applications

  • Inverters
  • DC to DC converters
  • On-board chargers

Evaluation Board

The ADUM3195 can be evaluated with the EVAL-ADUM3195.

Block Diagrams and Tables

1123-ADuM3195-fbl
1123-ADuM3195-pc



See related product

EVAL-ADUM3195EBZ

Analog Devices Amplifier IC Development Boards and Kits View

See related product

ADUM3195BRQZ

Analog Devices Special Purpose Amplifiers View

See related product

ADUM3195WBRQZ

Analog Devices Special Purpose Amplifiers View

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