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廬

ISL28288, ISL28488

Data Sheet

June 28, 2007

FN6339.1

Dual and Quad Micropower Single Supply

Rail-to-Rail Input and Output (RRIO)

Op-Amp

The ISL28288 and ISL28488 are dual and quad channel

micropower operational amplifiers optimized for single

supply operation over the 2.4V to 5V range. They can be

operated from one lithium cell or two Ni-Cd batteries. For

equivalent performance in a single channel op-amp

reference EL8188.

These devices feature an Input Range Enhancement Circuit

(IREC) which enables them to maintain CMRR performance

for input voltages 10% above the positive supply rail and to

100mV below the negative supply. The output operation is

rail to rail.

The ISL28288 and ISL28488 draw minimal supply current

while meeting excellent DC-accuracy, AC-performance,

noise and output drive specifications. The ISL28288

contains a power down enable pin that reduces the power

supply current to typically less than 4碌A(chǔ) in the disabled

state.

Features

鈥?Low power 120碌A(chǔ) typical supply current

鈥?1.5mV max offset voltage

鈥?30pA max input bias current

鈥?300kHz typical gain-bandwidth product

鈥?105dB typical PSRR

鈥?100dB typical CMRR

鈥?Single supply operation down to 2.4V

鈥?Input is capable of swinging above V+ and below V-

(ground sensing)

鈥?Rail-to-rail input and output (RRIO)

鈥?Enable Pin (ISL28288 only)

鈥?Pb-free plus anneal available (RoHS compliant)

Applications

鈥?Battery- or solar-powered systems

鈥?4mA to 25mA current loops

Pinouts

ISL28288

(10 LD MSOP)

TOP VIEW

IN+_A

1

EN_A

2

V-

3

EN_B

4

IN+_B

5

+

-

-

+

10

IN-_A

9

OUT_A

8

V+

7

OUT_B

6

IN-_B

鈥?Handheld consumer products

鈥?Medical devices

鈥?Thermocouple amplifiers

鈥?Photodiode pre-amps

鈥?pH probe amplifiers

Ordering Information

PART NUMBER

(Note)

ISL28288FUZ

PART

MARKING

8288Z

8288Z

28488 FAZ

28488 FAZ

PACKAGE

(Pb-Free)

10 Ld MSOP

10 Ld MSOP

16 Ld QSOP

16 Ld QSOP

PKG. DWG.

#

MDP0043

MDP0043

MDP0040

MDP0040

ISL28488

(16 LD QSOP)

TOP VIEW

OUT_A

1

IN-_A 2

-

+

IN+_A

3

V+

4

IN+_B

5

IN-_B

6

OUT_B 7

NC

8

+

-

+

-

-

+

16

OUT_D

15

IN-_D

14 IN+_D

13

V-

12

IN+_C

11

IN-_C

10

OUT_C

9

NC

ISL28288FUZ-T7

ISL28488FAZ

ISL28488FAZ-T7

*鈥?T7鈥?suffix is for tape and reel. Please refer to TB347 for details on

reel specifications.

NOTE: Intersil Pb-free plus anneal 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.

1

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

1-888-INTERSIL or 1-888-468-3774

|

Intersil (and design) is a registered trademark of Intersil Americas Inc.

Copyright Intersil Americas Inc. 2006, 2007. All Rights Reserved

All other trademarks mentioned are the property of their respective owners.

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