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ISL73100SEH Datasheet Radiation Hardened 40v Current Sense Amplifier

Manufacturer: Intersil (now Renesas)

Overview: Datasheet ISL70100SEH, ISL73100SEH Radiation Hardened 40V Current Sense Amplifiers The ISL70100SEH and ISL73100SEH are radiation hardened 40V current sense amplifiers built on the Renesas proprietary PR40 SOI process. These devices have a wide power supply range of 2.7V to 40V. The input mon-mode voltage is independent of the supply voltage and extends from -0.3V to 40.0V, making them ideal to use in both high-side and low-side applications. The ISL70100SEH and ISL73100SEH are trans-conductance amplifiers that monitor current using an external sense resistor and output a current proportional to the sensed voltage. The overall voltage gain is adjustable with a single resistor from the output to ground. These amplifiers have an extremely low offset voltage and input bias currents, making them ideal for precision sensing applications. They have a minimum bandwidth of 500kHz with a slew rate of 500µA/µs that make them useful for current feedback in telemetry applications. When the parts are powered down (V+ = V- = 0V), the sense pins (RS+, RS-) are high impedance to avoid loading the monitored circuit. The parts are available in a hermetically sealed 10 Ld ceramic flat-pack package or die form and operate across the full-range military temperature of -55°C to +125°C.

This datasheet includes multiple variants, all published together in a single manufacturer document.

Key Features

  • Power supply range: 2.7V to 40V.
  • Input common-mode range: -0.3V to 40V.
  • Transconductance: 2µA/mV (typical) ○ ±1% accuracy (TA = 25°C) ○ ±1.5% accuracy (TA = -55°C, 125°C).
  • Voltage offset: 10µV (typical), V+ = 12V.
  • Adjustable gain with a single resistor.
  • Radiation acceptance testing - ISL70100SEH ○ HDR (50-300rad(Si)/s): 100krad(Si) ○ LDR (.

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ISL73100SEH Distributor