Datasheet > ISL71590SEHVF

ISL71590SEHVF

更新时间： 2024-11-27 00:58:11

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
16页	541K
描述
Radiation Hardened

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ISL71590SEHVF 数据手册

DATASHEET

Radiation Hardened, 2-Terminal Temperature Transducer

ISL71590SEH

Features

The ISL71590SEH is a temperature-to-current transducer

possessing two terminals. It has a high impedance current output

that allows it to be insensitive to voltage drops across long lines.

When provided a differential voltage between 4V and 33V, the

device acts as a constant current regulator that generates a

current equal to 1µA/Kelvin (K).

• 50krad(Si) low dose rate (ELDRS) shift . . . . . . . . . . . . . < 1°C

• Linear output current . . . . . . . . . . . . . . . . . . . . . . . . . . . 1µA/K

• Wide power supply input range (V+ to V-) . . . . . . . 4V to 33V

• Low power consumption . . . . . . . . . . . . . . . . . . 1.5mW at 5V

• High output impedance provides excellent rejection to

variations in the supply line

The ISL71590SEH is specified across the -55°C to +125°C

temperature range and with ±1.7°C accuracy without the

need of additional circuitry, and also capable of operating up

to +150°C. With power requirements as low as 1.5mW (5V at

+25°C), it is an ideal choice for remote sensing applications as

any well-insulated twisted pair cable will allow for proper

operation. It can be used in several additional applications

including temperature compensation networks, flow rate

analysis, anemometry and biasing proportional to absolute

temperature.

• Additional linearization circuitry is not needed for operation

• Operating temperature range. . . . . . . . . . . .-55°C to +150°C

• QML qualified per MIL-PRF-38535 requirements

• Radiation environment

- SEL/SEB LET

. . . . . . . . . . . . . . . . . . . 86.4 MeV•cm /mg

- Total dose, high dose rate. . . . . . . . . . . . . . . . . 300krad(Si)

- Total dose, low dose rate . . . . . . . . . . . . . . . . . 50krad(Si)*

* Product capability established by initial characterization. The

EH version is acceptance tested on a wafer-by-wafer basis to

50krad(Si) at low dose rate.

The high output impedance (>10MΩ) leaves plenty of room for

variations in the power supply voltage. It is electrically durable

as it can withstand a forward operating voltage of 33V over the

full temperature range both under and without ion beam

radiation and a reverse voltage of -40V.

• Electrically screened to SMD# 5962-13215

Related Literature

• AN1844, “ISL71590SEHXX Evaluation Board User’s Guide”

The ISL71590SEH is available in a 2 Ld flatpack and die forms.

Applications

• RF power amplifier bias compensation

• AN1895, “Total Dose Testing of the ISL71590SEH Radiation

Hardened Temperature Sensor”

• AN1894, “Single Event Effects (SEE) Testing of the

ISL71590SEH Temperature Sensor”

• LCD bias compensation

• Laser diode bias compensation

• Sensor bias and linearization

• Data acquisition systems

+4V to +33V (V+ TO V-)

0.0

-0.2

-0.4

HDR

= 1mV/K

OUT

-0.6

1kΩ

0.1%

ISL71590SEH

-0.8

-1.0

-1.2

LDR

100 125 150 200 250 300

TOTAL DOSE (krad(Si))

FIGURE 1. TYPICAL APPLICATION

FIGURE 2. I

SHIFT vs LOW/HIGH DOSE RATE RADIATION

OUT

June 3, 2016

FN8376.2

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.

All other trademarks mentioned are the property of their respective owners.

12 3 4 5 6 7...16

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