Intersil’s Solutions For
Process Control
Low Noise VREF
5V, 7V, 10V
Active Source
to Bridge Sensor
VREF
Sensor
Calibration
DCP
Interface
RS-232
RS-485
Temperature
Sensors
R4
R3
R2
R1
Pressure
1 to N Inputs
to Multi-channel
Instrumentation Amp
Gain/Attenuation
Select
Precision Amps
Low Noise VREF
Bridge
Sensor In
N-ch
Mux
Flow
Sensors
VREF
2.5V
+15V
VREF
∆V = 100mV
RTC
Microcontroller
Transducer In
DAQ Inputs
Multi-channel
ADC Inputs
Digital
IN+
IN-
Forces or
Strain
Sensors
24-bit
Low Noise
∆∑
∆V = 1V
Rin
HI-509
Potentiometers
Out+
Out-
+/-5V
+/-10V
0V to 30V
FB+
FB-
Diff 4:1
Mux
Sensor
Rfb
ADC
Vocm
2.5V
Compensation
Current
Current Shunt Sense
Voltage
Monitors &
Watchdog
mΩ
VREF
Vibration
- 15V
DC Adjust
DCP
Sensor
Modules
Control Module
+28V
Analog
Control
Feedback
-
+
From Motor
Control Block
Analog Signal Input Module
Key Products
Product Type
Part Number
Where Used in Process Control
Key Features / Benefits
40V
ISL28127/227, ISL28117/217/417,
ISL28107/207/407, ISL28108/208/408,
ISL28118/218, ISL28110/210
⋅In analog input modules to signal condition
⋅Wide operating voltage range
⋅Single or dual supply
⋅Low offset & drift
incoming signals
Precision Amplifiers
⋅In analog output modules for driving
signals to the outside world
Low Drift 5V
ISL28134, ISL28133/233/433, ISL28148/248,
ISL28136/236, EL8176
⋅Non-volatile settings
⋅Digitally settable resistance or voltage
⋅1st DCP with memory to operate up to
125°C
Dual Supply Non-volatile 256-tap
ISL223x3 (I2C), ISL224x4 (SPI)
Digital Potentiometers
⋅Sensor compensation
Single Supply Non-volatile 128-tap
ISL223x6 (I2C), ISL224x6 (SPI)
⋅Ideal for Industrial applications
Low Power, Integrated Solution
EL8172/73
40V Precision, Low Noise In-Amp,
Integrated Solution
ISL28617
⋅Low noise
⋅Low power
⋅High CMRR
⋅Low drift
Instrumentation Amplifiers
⋅Sensor front ends
Ultra Low Power 5V, Customize (Roll Your
Own)
ISL28194
Low Cost 5V Customize (Roll Your Own)
ISL28230
Low Noise
ISL21009, ISL21090, ISL21400
⋅Used as active sources for sensors
⋅Low tempco
⋅Low drift
⋅Low power
Voltage References
Switches / MUXes
Interface
Low Cost
⋅Accurate voltage sources for data
conversion
ISL21070, ISL21080, ISL60002, ISL21010
⋅Over-voltage protected
⋅Latch-up free
⋅Low leakage
⋅Direct sensor interface
⋅In front of actuator buffer amps
HI-509A, HI-546, DG408, DG409
RS-232
⋅High ESD protection
⋅Small packages
⋅Over voltage protected
ISL4221E, ISL3232E, ISL4243E
⋅System and control
RS-485
ISL317xE, ISL315xE, ISL3249xE
⋅System power supervision with
⋅Standalone controllers
⋅Remote monitors
⋅Data recorders
watchdog and power-on reset
⋅Onboard 512-bit EEPROM storage
⋅64-bit Factory-programmed Unique ID
⋅IRQ, frequency outputs
RTCs
ISL12024, ISL12025, ISL12026
⋅System monitors
⋅Lowest noise/high accuracy at low cost
⋅Complete solution
⋅Easy to use
24-bit Delta-Sigma ADCs
ISL26132, ISL26134
⋅Low-cost load, pressure/temperature
sensing
⋅Industry-leading low noise up to
4000SPS
⋅Precision weigh scales, dynamic weighing, ⋅Integrated PGA ensures measurement
ISL26102, ISL26104
pressure sensing, safety monitors
accuracy
Analog-Digital Converters
⋅Cost-effective high-performance
solution
⋅Cost-effective multiple-channel
monitoring
⋅Temperature pressure, flow/vibration
10, 12-bit SAR ADCs
ISL263xx Multichannel Family
125kSPS, 250kSPS
sensors
⋅Buffered inputs reduce board space,
solution cost
⋅Multichannel modules and systems
⋅Low power, low cost
4
Intersil Signal Path Products . 2012 . www.intersil.com
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