1

®

CA3240, CA3240A

Dual, 4.5MHz, BiMOS Operational Amplifier

with MOSFET Input/Bipolar Output

The CA3240A and CA3240 are dual versions of the popular

CA3140 series integrated circuit operational amplifiers. They

combine the advantages of MOS and bipolar transistors on

the same monolithic chip. The gate-protected MOSFET

(PMOS) input transistors provide high input impedance and

a wide common-mode input voltage range (typically to 0.5V

below the negative supply rail). The bipolar output

transistors allow a wide output voltage swing and provide a

high output current capability.

The CA3240A and CA3240 are compatible with the industry

standard 1458 operational amplifiers in similar packages.

Functional Diagram

Features

• Dual Version of CA3140

• Internally Compensated

• MOSFET Input Stage

Be Swung 0.5V Below Negative Supply Voltage Rail

• Directly Replaces Industry Type 741 in Most Applications

•

Pb-Free Available (RoHS Compliant)

Applications

• Ground Referenced Single Amplifiers in Automobile and

Portable Instrumentation

• Sample and Hold Amplifiers

• Long Duration Timers/Multivibrators (Microseconds-

Minutes-Hours)

• Photocurrent Instrumentation

Pinout

CA3240, CA3240A (PDIP)

TOP VIEW

Ordering Information

PART NUMBER

TEMP.

PACKAGE

PKG.

DWG. #

CA3240AE

-40 to 85

8 Ld PDIP

E8.3

CA3240AEZ

(See Note)

-40 to 85

8 Ld PDIP

(Pb-free)

E8.3

CA3240E

-40 to 85

8 Ld PDIP

E8.3

CA3240EZ

(See Note)

-40 to 85

8 Ld PDIP

(Pb-free)

E8.3

Pb-free PDIPs can be used for through hole wave solder processing only.

They are not intended for use in Reflow solder processing applications.

NOTE: Intersil Pb-free products employ special Pb-free material sets;

molding compounds/die attach materials and 100% matte tin plate termination

finish, which are RoHS compliant and compatible with both SnPb and Pb-free

soldering operations. Intersil Pb-free products are MSL classified at Pb-free

peak reflow temperatures that meet or exceed the Pb-free requirements of

IPC/JEDEC J STD-020.

A

BIAS CIRCUIT

CURRENT SOURCES

AND REGULATOR

A

2mA

4mA

2mA

1.6mA

2

µA

200

µA

200

µA

IN-

OUT-

12pF

V+

V-

+

-

A

PUT

PUT

• Intrusion Alarm System

• Active Filters

• Comparators

• Function Generators

• Instrumentation Amplifiers

• Power Supplies

OUTPUT (A)

INV.

INPUT (A)

NON-INV.

1

2

3

4

8

7

6

5

V+

OUTPUT

INV.

NON-INV.

INPUT (A)

V-

INPUT (B)

INPUT (B)

Data Sheet

March 4, 2005

FN1050.6

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

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Copyright Intersil Americas Inc. 2001-2005. All Rights Reserved

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