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5962R1222201V9A

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

ISL70218SEH

The ISL70218SEH 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 and precision power supply

controls.

The ISL70218SEH is available in a 10 lead hermetic ceramic

flatpack and operates over the extended temperature range of

-55°C to +125°C.

Related Literature

• AN1653, “ISL70218SRH Evaluation Board User’s Guide”

• AN1677, “Single Events Effects Testing of the

ISL70218SRH, Dual 36V Rad Hard Low Power Operational

Amplifiers”

Features

• DLA SMD# 5962-12222

• Wide Single and Dual Supply Range . . . . 3V to 42V, Abs. 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

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

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

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

Applications

• Precision Instruments

• Active Filter Blocks

• Data Acquisition

• Power Supply Control

LOAD

RSENSE

RIN-

10kΩ

RIN+

10kΩ

VREF

RF

100kΩ

IN- -

V+

ISL70218SEH

IN+

V-

+

+3V

to 36V

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

-300

-40°C

-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 24, 2012

1

FN7957.1

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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