ICL7642ECPD Intersil Corporation, ICL7642ECPD Datasheet

ICL7642ECPD

Manufacturer Part Number

ICL7642ECPD

Description

ICL7642ECPDDual/Quad, Low Power CMOS Operational Amplifiers

Manufacturer

Intersil Corporation

Datasheet

1.ICL7642ECPD.pdf (9 pages)

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Dual/Quad, Low Power CMOS Operational

Ampliﬁers

The ICL761X/762X/764X series is a family of monolithic

CMOS operational ampliﬁers. These devices provide the

designer with high performance operation at low supply

voltages and selectable quiescent currents. They are an

ideal design tool when ultra low input current and low power

dissipation are desired.

The basic ampliﬁer will operate at supply voltages ranging

from 1V to 8V, and may be operated from a single Lithium

cell. The output swing ranges to within a few millivolts of the

supply voltages.

The quiescent supply current of these ampliﬁers is set to 3

different ranges at the factory. Both amps of the dual

ICL7621 are set to an I

the quad ICL7641 and ICL7642 are set to an I

10 A respectively. This results in power consumption as low

as 20 W per ampliﬁer.

Of particular signiﬁcance is the extremely low (1pA) input

current, input noise current of 0.01pA/ Hz, and 10

impedance. These features optimize performance in very

high source impedance applications.

The inputs are internally protected. Outputs are fully

protected against short circuits to ground or to either supply.

AC performance is excellent, with a slew rate of 1.6V/ s, and

unity gain bandwidth of 1MHz at I

Because of the low power dissipation, junction temperature

rise and drift are quite low. Applications utilizing these

features may include stable instruments, extended life

designs, or high density packages.

Ordering Information

ICL7621ACPA

ICL7621BCPA

ICL7621DCPA

ICL7621AMTV

ICL7621DCBA

ICL7621DCBA-T

ICL7641ECPD

ICL7642ECPD

PART NUMBER

RANGE (

-55 to 125

0 to 70

TEMP.

of 100 A, while each ampliﬁer of

8 Ld SOIC - D Grade -

8 Ld PDIP -

A Grade - I

8 Ld PDIP -

B Grade - I

8 Ld PDIP -

D Grade - I

8 Pin Metal Can -

A Grade - I

8 Ld SOIC -

D Grade - I

Tape and Reel -

14 Ld PDIP - E Grade -

= 100 A

= 1mA

= 10 A

= 1mA.

Data Sheet

PACKAGE

= 100 A

of 1mA and

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

E8.3

T8.C

M8.15

E14.3

PKG.

input

NO.

http://www.intersil.com or 407-727-9207

Features

• Wide Operating Voltage Range . . . . . . . . . . .

• High Input Impedance . . . . . . . . . . . . . . . . . . . . . . .10

• Input Current Lower Than BIFETs . . . . . . . . . . . 1pA (Typ)

• Output Voltage Swing . . . . . . . . . . . . . . . . . . . . V+ and V-

• Available as Duals and Quads (Refer to ICL7611 for Singles)

• Low Power Replacement for Many Standard Op Amps

Applications

• Portable Instruments

• Telephone Headsets

• Hearing Aid/Microphone Ampliﬁers

• Meter Ampliﬁers

• Medical Instruments

• High Impedance Buffers

Pinouts

ICL7621, ICL7641, ICL7642

April 1999

-IN

OUT

ICL7641 (PDIP), ICL7642 (PDIP)

+IN

OUT

+IN

-IN

+IN

V+

V-

ICL7621 (METAL CAN)

ICL7621 (PDIP, SOIC)

TOP VIEW

V+

V-

File Number 3403.3

OUT

+IN

OUT

-IN

+IN

V-

+IN

-IN

OUT

V+

OUT

-IN

+IN

-IN

Intersil Corporation 1999

1V to 8V

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ICL7642ECPD Summary of contents

Page 1

... Ld SOIC - D Grade - Tape and Reel - I = 100 A Q ICL7641ECPD PDIP - E Grade - I = 1mA Q ICL7642ECPD PDIP - E Grade - ICL7621, ICL7641, ICL7642 Features • Wide Operating Voltage Range . . . . . . . . . . . • High Input Impedance . . . . . . . . . . . . . . . . . . . . . . .10 • Input Current Lower Than BIFETs . . . . . . . . . . . 1pA (Typ) • ...

Page 2

Absolute Maximum Ratings Supply Voltage .18V ...

Page 3

Electrical Speciﬁcations V SUPPLY PARAMETER SYMBOL Channel Separation Slew Rate Rise Time Overshoot OS V Factor Electrical Speciﬁcations ...

Page 4

Electrical Speciﬁcations V SUPPLY PARAMETER SYMBOL Input Referred Noise Voltage e N Input Referred Noise Current i N Supply Current (Per Amplifier) I SUPPLY (No Signal, No Load) Channel Separation Slew Rate ( ...

Page 5

Choosing the Proper I Q Each device in the ICL76XX family has a similar I scheme, which allows the ampliﬁ set to nominal quiescent currents 100 A or 1mA. These current settings change only very ...

Page 6

F 2.2M 20k V 10k 20k 1/2 ICL7621 1. SCALE ADJUST COMMON FIGURE 5. AVERAGING CONVERTER FOR A/D CONVERTERS SUCH AS ICL7106, ICL7107, ICL7109, ICL7116, ICL7117 30k 160k INPUT ...

Page 7

Typical Performance Curves 1000 100 10 1.0 0.1 -50 - FREE-AIR TEMPERATURE ( FIGURE 10. INPUT BIAS CURRENT vs TEMPERATURE 15V 10 ...

Page 8

Typical Performance Curves SUPPLY = SUPPLY SUPPLY = 2V 0 100 1K 10K 100K FREQUENCY (Hz) FIGURE 16. OUTPUT VOLTAGE vs FREQUENCY ...

Page 9

... All Intersil semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certiﬁcation. Intersil semiconductor products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time with- out notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use ...

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