10 | www.intersil.com/industrial_process_control

PLC

Bridge

Frontends

VREF

• High Accuracy

0.02% Initial Accuracy

3ppm, 7ppm Temp Co

20ppm Long Term Drift

• Low Noise,

1.9µV peak-peak (0.1H to 10Hz)

Low Noise Voltage References

Voltage Output: 5V, 7V, 10V

Industry Leader in Digital Potentiometers

• Volatile and Non-volatile Wiper Position

• Precision Low Noise: +22-bit ENOB

Low Noise Data Converters 24-bit Delta Sigma

• Sample Rate: 2.5 to 4000 sps

• Multi-channel Inputs + PGA

ADC

IN

OUT

EN

ISL78307

ADJ

GND

0.1µF

10µF

R1

R2

V

V

4

1

=

• Low Noise (200nVpp) and Low Power

(17µA) Options

Zero Drift, Chopper-Stabilized Precision Op Amps

• Rail-Rail Inputs/Outputs

• High CMRR (135dB) Perfect for Bridge

Excitation Signals

+

+

-

-

Power Supply Solution

High Voltage Low Iq LDO

ISL21090

ISL21009

ISL28134

ISL28133

ISL28134

ISL28133

ISL26132

ISL26102

ISL2632x

ISL233x5

ISL233x8

Low Noise Precision Sensor Chipset Solutions

High Voltage Bridge Sensor Signal Conditioning

Analog Input

Analog Output

Control

Sensors

Power

ISL21090

ISL21009

ADC

ISL26132/134

ISL26102/104

24-bit

Low Noise

∆

∑

Low Noise VREF

Pressure

Strain

Flow Sensors

2.5V

Vocm

2.5V

Gain/Attenuation

Select

1 to N Inputs

to Multi-channel

Instrumentation Amp

+28V

Analog

Control

Feedback

ISL28006

Multi-channel

ADC Inputs

+15V

- 15V

HI-509

N-ch

Mux

FB+

FB- Rfb

Rin

Out+

Out-

IN+

IN-

DCP

ISL21090

DC Adjust

ISL22426

R1

R2

R3

R4

General

Purpose

Mixed signal

Inputs

Current Shunt Sense

DAQ Inputs

+/-5V

+/-10V

0V to 30V

mΩ

∆V = 100mV

∆V = 1V

Bridge

Sensor In

Transducer In

ISL28516

ISL28617

High Voltage Instrumentation Amp

with Integrated Differential ADC Driver

N-ch

Mux

High Voltage Current Sense Amp

•

Integrated Gain Options

• Voltage Output

From Motor

Control Block

Microcontroller

Host Controller

ISL21009

Low Noise VREF

5V, 7V, 10V

Active Source

to Bridge Sensor

Sensor

Calibration

DCP

ISL54702

ISL97701

ISL233X5

Non-Isolated

HV Dual Supply

ISL98012

Wide VIN

Boost Regulator

ICL7660S

Super Voltage

Converter

Power Supply Solutions

-5V

+12V

-20V

+20V

VREF

Precision Sensor & Data Acquisition 24-Bit Low Noise, Analog Inputs To Digital Output