ISL12022M-R5421 datasheet(9/20 Pages) INTERSIL

9 / 20 page

INTERSIL SELECTION GUIDE | INDUSTRIAL PROCESS CONTROL SOLUTIONS

www.intersil.com/industrial_process_control | 9

PLC

Analog Input

Analog Output

Control

Sensors

Power

Single-Ended PWM Controller: ISL8840A

40V Precision Op Amp: ISL28208

High Performance

Single Ended

Current Mode PWM

Controller

40V Precision,

Low Power, Single

Supply, RRO Op Amp

• 1A MOSFET Gate Driver

• 90μA Start-up Current, 125μA Maximum

• 35ns Propagation Delay Current Sense to Output

• Fast Transient Response with Peak Current Mode Control

• 30V Operation

• Adjustable Switching Frequency

• 20ns Rise and Fall Times with 1nF Output Load

• Trimmed Timing Capacitor Discharge Current for Accurate

Deadtime/Maximum Duty Cycle Control

• 1.5MHz Bandwidth Error Amplifier

• Tight Tolerance Voltage Reference Over Line, Load and

Temperature

• ±3% Current Limit Threshold

• Wide Input Range

• Rail-to-Rail Output

• Single or Dual Supply

Operating

• Low Power - 250µA max

Key Features

Tight Tolerance Voltage Reference Over Line, Load, and

Temperature

Typical Application Circuit

REFERENCE VOLTAGE vs TEMPERATURE

Intersil’s ISL28208 is a high voltage precision,

low power op amp, featuring single power supply

operation and rail-to-rail output to provide full

output dynamic range to take take full advantage

of the ADC performance in precision applications

without compromise.

IN-

IN+

RREF+

ISL28208

+3V

V-

V+

RIN-

10kΩ

RIN+

10kΩ

100kΩ

VREF

100kΩ

VOUT

LOAD

RSENSE

SINGLE-SUPPLY, LOW-SIDE

GAIN = 10

to 40V

CURRENT SENSE AMPLIFIER

• Precision

- Low Offset Voltage: 230µV max

- Low Drift: 0.1µV/°C typ

• Low Noise

- 15.8nV/√Hz @ 1kHz

- 80fA/√Hz @ 1kHz

Evalboard

Available!

Evalboard

Available!

-60 -40 -20

0 20 40 60 80 100

0.995

0.996

0.997

0.998

0.999

1.000

1.001

TEMPERATURE (°C)

140

120

ISL12022M-R5421 Datasheet(PDF) 9 Page - Intersil Corporation

ISL12022M-R5421 Datasheet(HTML) 9 Page - Intersil Corporation

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Datasheet Download

Link URL