ISL28488 Dual and Quad Micropower Single Supply Rail-to-Rail Input and Output (RRIO) Op Amp

ISL28488

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Dual and Quad Micropower Single Supply Rail-to-Rail Input and Output (RRIO) Op Amp

Datasheets,
Related Docs
& Simulations

Ordering Information

iBuy direct from Intersil	iBuy direct - out of stock	Request samples
Check distributor inventory	Available in RoHS/Pb-Free

Part No.

Design-In
Status

Temp.

Package

MSL

Price
US $

ISL28488EVAL1Z

Active

Eval Board

N/A

ISL28488FAZ

Active

Full-Range Ind

16 Ld QSOP

1.21

ISL28488FAZ-T7

Active

Full-Range Ind

16 Ld QSOP T+R

1.21

ISL28488FVZ

Active

Full-Range Ind

14 Ld TSSOP

1.21

ISL28488FVZ-T7

Active

Full-Range Ind

14 Ld TSSOP T+R

1.21

The price listed is the manufacturer's suggested retail price for quantities of 1K units. However, prices in today's market are fluid and may change without notice.

MSL = Moisture Sensitivity Level - per IPC/JEDEC J-STD-020

SMD = Standard Microcircuit Drawing

Description

The ISL28288 and ISL28488 are dual and quad channel micropower operational amplifiers optimized for single supply operation over the 2.4V to 5.5V 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 (10 Ld MSOP only) contains a power-down enable pin that reduces the power supply current to typically less than 4μA in the disabled state.

Key Features

Low power 120μA typical supply current
1.5mV max offset voltage
30pA max input bias current
300kHz typical gain-bandwidth product
105dB typical PSRR
100dB typical CMRR
Single supply operation down to 2.4V
Input is capable of swinging above V+ and below V- (ground sensing)
Rail-to-rail input and output (RRIO)
Enable Pin - ISL28288 10 Ld MSOP package option only
Pb-free (RoHS compliant)

Related Documentation

Datasheet(s):
Dual and Quad Micropower Single Supply Rail-to-Rail Input and Output (RRIO) Op-Amp

Evaluation Board(s):
ISL284xxEVAL1Z Evaluation Board User's Guide

Technical Homepage:
Amplifiers/Buffers Precision Analog Homepage

Parametric Data


BW (MHz)		.3

SR (V/μs)		.14

V_S (min) (V)		2.4

V_S (max) (V)		5.5

I_S (per amp) (mA)		.06

Noise V_N (nV/√Hz)		48

I_BIAS (μA)		.00001

V_OS (max) (mV)		1.5

# of Devices/ Channels		4

I_OUT (mA)		26

V_OUT (V)		4.99

Rail-to-Rail Input		Y

Rail-to-Rail Output		Y

PSRR (dB)		105

CMRR (dB)		100

Thermal Shutdown		N

Gain A_V (min)		1

A_VOL or A_ZOL (dB or V/mV)		300

Enable		N

Application Block Diagrams

Applications

Battery- or solar-powered systems
4mA to 25mA current loops
Handheld consumer products
Medical devices
Thermocouple amplifiers
Photodiode pre-amps
pH probe amplifiers

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