ISL70218SRH 데이터 시트보기 (PDF) - Intersil

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ISL70218SRH

Rad Hard Dual 36V Precision Single-Supply, Rail-to-Rail Output, Low-Power Operational Amplifiers

Intersil 

Rad Hard Dual 36V Precision Single-Supply, Rail-to-Rail

Output, Low-Power Operational Amplifiers

ISL70218SRH

The ISL70218SRH is a dual, low-power precision amplifier

optimized for single-supply applications. This op amp features

a common mode input voltage range extending to 0.5V below

the V- rail, a rail-rail differential input voltage range, and

rail-to-rail output voltage swing, which makes it ideal for

single-supply applications where input operation at ground is

important.

This op amp features low power, low offset voltage, and low

temperature drift, making it ideal for applications requiring

both high DC accuracy and AC performance. This amplifier is

designed to operate over a single supply range of 3V to 36V or a

split supply voltage range of +1.8V/-1.2V to ±18V. The

combination of precision and small footprint provides the user

with outstanding value and flexibility relative to similar

competitive parts.

Applications for this amplifier include precision

instrumentation, data acquisition, precision power supply

controls, and industrial controls.

The ISL70218SRH is available in a 10 Ld hermetic ceramic

flatpack and operates over the extended temperature range of

-55°C to +125°C.

Related Literature

• See AN1653, “ISL70218SRH Evaluation Board User’s

Guide”

Features

• Wide Single and Dual Supply Range . . . . . . . .3V to 36V Max.

• Low Current Consumption . . . . . . . . . . . . . . . . . . 850µA, Typ.

• Low Input Offset Voltage . . . . . . . . . . . . . . . . . . . . . . 40µV, Typ.

• Rail-to-Rail Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <10mV

• Rail-to-Rail Input Differential Voltage Range for Comparator

Applications

• Operating Temperature Range. . . . . . . . . . .-55°C to +125°C

• Below-ground (V-) Input Capability to -0.5V.

• Low Noise Voltage . . . . . . . . . . . . . . . . . . . . . . 5.6nV/√Hz, Typ.

• Low Noise Current . . . . . . . . . . . . . . . . . . . . . . 355fA/√Hz, Typ.

• Offset Voltage Temperature Drift . . . . . . . . . . . 0.3µV/°C, Typ.

• No Phase Reversal

• Radiation Tolerance

- High Dose Rate. . . . . . . . . . . . . . . . . . . . . . . . . . 100krad(Si)

- Low Dose Rate . . . . . . . . . . . . . . . . . . . . . . . . . . 100krad(Si)

- SEL/SEB LETTH (VS = ±18V) . . . . . . . . . . 86.4 MeV/mg/cm2

Applications

• Precision Instruments

• Active Filter Blocks

• Data Acquisition

• Power Supply Control

• Industrial Process Control

LOAD

RSENSE

RIN-

10kΩ

RIN+

10kΩ

VREF

RF

100kΩ

IN- -

V+

ISL70218SRH

IN+

V-

+

+3V

to 40V

VOUT

RREF+

100kΩ

GAIN = 10

FIGURE 1. TYPICAL APPLICATION: SINGLE-SUPPLY, LOW-SIDE

CURRENT SENSE AMPLIFIER

400

+25°C

300

+125°C

200

100

0

-100

-200 -55°C

-40°C

-300

-400

-16

-15

-14 -13 13

14

15

16

INPUT COMMON MODE VOLTAGE (V)

FIGURE 2. INPUT OFFSET VOLTAGE vs INPUT COMMON MODE

VOLTAGE, VS = ±15V

August 17, 2011

1

FN7871.1

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

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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.

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