ISL28190 Single Supply Ultra-Low Noise, Ultra-Low Distortion, Rail-to-Rail Output, Op Amp Print Friendly

ISL28190

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Single Supply Ultra-Low Noise, Ultra-Low Distortion, Rail-to-Rail Output, Op Amp

Ordering Information

Available in RoHS/Pb-Free

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Part No.

Design-In
Status

Temp.

Package

MSL

Price
US $

ISL28190EVAL1Z

Active

Eval Board

N/A

ISL28190FHZ-T7

Active

Full-Range Ind

6 Ld SOT-23 T+R

1.58

ISL28190FRUZ-T7

Active

Full-Range Ind

6 Ld uTDFN T+R

1.58

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 ISL28190 and ISL28290 are tiny single and dual ultra-low noise, ultra-low distortion operational amplifiers. Fully specified to operated down to +3V single supply. These amplifiers have outputs that swing rail-to-rail, and an input common mode voltage that extends below ground (ground sensing).

The ISL28190 and ISL28290 are unity gain stable with an input referred voltage noise of 1nV/√Hz. Both parts feature 0.00017% THD+N @ 1kHz.

The ISL28190 is available in the space-saving 6 Ld μTDFN (1.6mmx1.6mm) and 6 Ld SOT-23 packages. The ISL28290 is available in the 10 Ld μTQFN (1.8mmx1.4mm) and 10 Ld MSOP packages. All devices are guaranteed over -40°C to +125°C.

Key Features

1nV/√Hz input voltage noise
1kHz THD+N typical 0.00017% at 2V_P-P V_OUT
Harmonic Distortion -87dBc, -90dBc, f_o = 1MHz
170MHz -3dB bandwidth
50V/μs slew rate
700μV maximum offset voltage
10μA typical input bias current
103dB typical CMRR
3V to 5.5V single supply voltage range
Rail-to-rail output
Ground sensing
Enable pin (not available in the 8 Ld SOIC package option)
Pb-free (RoHS compliant)

Related Documentation

Application Note(s):
Measuring RF Interference in Audio Circuits

Datasheet(s):
Single and Dual Single Supply Ultra-Low Noise, Ultra-Low Distortion, Rail-to-Rail Output, Op Amp

Evaluation Board(s):
ISL2819xEVAL1Z Evaluation Board User’s Guide

Technical Homepage:
Amplifiers/Buffers Precision Analog Homepage

Parametric Data


BW (MHz)		170

SR (V/μs)		50

V_S (min) (V)		3

V_S (max) (V)		5.5

I_S (per amp) (mA)		11

Noise V_N (nV/√Hz)		1

I_BIAS (μA)		16

V_OS (max) (mV)		.7

# of Devices/ Channels		1

I_OUT (mA)		144

V_OUT (V)		4.99

Rail-to-Rail Input		N

Rail-to-Rail Output		Y

PSRR (dB)		80

CMRR (dB)		103

Thermal Shutdown		N

Total Harmonic Distortion (dB)		115

Gain A_V (min)		1

A_VOL or A_ZOL (dB or V/mV)		102

Enable		Y

Application Block Diagrams

Applications

Low noise signal processing
Low noise microphones/preamplifiers
ADC buffers
DAC output amplifiers
Digital scales
Strain gauges/sensor amplifiers
Radio systems
Portable equipment
Infrared detectors

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