概览
描述
The ISL70100M is a radiation tolerant 40V current sense amplifier built on the Renesas proprietary PR40 Silicon-on-Insulator (SOI) process. The device has a wide power supply range of 2.7V to 40V. The input common-mode voltage is independent of the supply voltage and extends from -0.3V to 40.0V, making it ideal to use in both high-side and low-side applications.
The ISL70100M is a transconductance amplifier that monitors current using an external sense resistor and outputs a current proportional to the sensed voltage. The overall voltage gain is adjustable with a single resistor from the output to ground.
The amplifier has an extremely low offset voltage and input bias currents, making it ideal for precision sensing applications. It has a minimum bandwidth of 500kHz with a slew rate of 500µA/µs that makes it useful for current feedback in telemetry applications. When the part is powered down (V+ = V- = 0V), the sense pins (RS+, RS-) are high impedance to avoid loading the monitored circuit.
The part is available in a plastic 14Ld TSSOP package and operates across the temperature range of -55°C to +125°C.
特性
- Qualified to Renesas Rad Tolerant Screening and QCI Flow (R34TB0004EU)
- 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
- Operating temperature range: -55°C to +125°C
- Passes NASA low outgassing specifications
- 14 Ld TSSOP with NiPdAu-Ag lead finish
- TID Radiation Lot Acceptance Testing (RLAT) (LDR: ≤ 10mrad(Si)/s)
- ISL70100M30VZ: 30krad(Si)
- ISL70100M50VZ: 50krad(Si)
- SEE Characterization
- No DSEE with RS+ = 42V and V+ = 42V at 43MeV•cm2/mg
- SET ≤ 2.31E-3cm2 at 43MeV•cm2/mg
- SEFI < 10μm2 at 43MeV•cm2/mg
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