Datasheet > ISL73100SEH

ISL73100SEH

更新时间： 2023-12-20 18:45:11

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
28页	1572K
描述
Radiation Hardened 40V High Side Current Sense Amplifiers

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ISL73100SEH 数据手册

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 common-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.

Features

• Power supply range: 2.7V to 40V

• Input common-mode range: -0.3V to 40V

• Transconductance: 2µA/mV (typical)

○ ±1% accuracy (T = 25°C)

○ ±1.5% accuracy (T = -55°C, 125°C)

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.

• Voltage offset: 10µV (typical), V+ = 12V

• Adjustable gain with a single resistor

• Radiation acceptance testing - ISL70100SEH

○ HDR (50-300rad(Si)/s): 100krad(Si)

○ LDR (<10mrad(Si)/s): 75krad(Si)

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.

• Radiation acceptance testing - ISL73100SEH

○ LDR (<10mrad(Si)/s): 75krad(Si)

• SEE hardness (see SEE report for details)

○ No SEB (V+ = 35V): 86.4MeV•cm /mg

○ No SEB (V+ = 42V): 43.0MeV•cm /mg

• Electrically Screened to SMD 5962-20212

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.

Applications

• High-side or low-side current sensing

• Battery monitoring

Related Literature

• Power management

For a full list of related documents, visit our website:

ISL70100SEH and ISL73100SEH product pages

• Motor control

• Command, telemetry, and control systems

28V

2.026

2.016

2.006

1.996

12V

V_OUT= (V_SEN(mV) * 2µA/mV) * R_OUT

RH ADC

V_SEN

R_SENSE

ISL70100SEH

1.986

1.976

1.966

-55°C

25°C

R_OUT

125°C

-10

Input Common-Mode Voltage (V)

Figure 1. Typical Application: High-Side Current Sense for

28V Supply Rail

Figure 2. Transconductance, V+ = 12V

R34DS0009EU0101 Rev.1.01

Jul.10.20

Page 1 of 27

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