Datasheet > ISL71590SEH

ISL71590SEH

更新时间： 2024-11-27 14:58:03

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
17页	603K
描述
Radiation Hardened, 2-Terminal Temperature Transducer

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ISL71590SEH 数据手册

DATASHEET

ISL71590SEH, ISL73590SEH

Radiation Hardened, 2-Terminal Temperature Transducer

FN8376

Rev.3.00

Sep 14, 2018

The ISL71590SEH and ISL73590SEH are temperature-to-current

transducers possessing two terminals. They have a high

impedance current output that allows them to be insensitive to

voltage drops across long lines. When provided a differential

voltage between 4V and 33V, the devices act as constant current

regulators that generate a current equal to 1µA/Kelvin (K).

Features

• 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

These devices are 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), they are an ideal choice for remote sensing

applications as any well-insulated twisted pair cable will allow

for proper operation. They can be used in several additional

applications including temperature compensation networks,

flow rate analysis, anemometry, and biasing proportional to

absolute temperature.

• High output impedance provides excellent rejection to

variations in the supply line

• 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

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

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

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

*Applies to the ISL71590SEH only.

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

variations in the power supply voltage. The ISL7x590SEH 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

The ISL71590SEH and ISL73590SEH are available in 2 Ld

flatpacks and die forms. All material applies to both parts

except for TID assurance test levels.

For a full list of related documents, visit our website

• ISL71590SEH and ISL73590SEH product pages

Applications

TABLE 1. KEY DIFFERENCES BETWEEN FAMILY OF PARTS

HIGH DOSE RATE (HDR) LOW DOSE RATE (LDR)

• RF power amplifier bias compensation

• LCD bias compensation

PART

NUMBER

ASSURANCE TEST

LEVEL (krad(Si))

ASSURANCE TEST

LEVEL (krad(Si))

• Laser diode bias compensation

• Sensor bias and linearization

• Data acquisition systems

ISL71590SEH

ISL73590SEH

300

N/A

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

0.0

-0.2

-0.4

-0.6

-0.8

-1.0

HDR

= 1mV/K

OUT

1kΩ

0.1%

ISL7x590SEH

LDR

-1.2

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

FN8376 Rev.3.00

Sep 14, 2018

Page 1 of 17

12 3 4 5 6 7...17

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