ISL28127_12 Datasheet, PDF (5/44 Pages) Intersil Corporation – Providing high-performance solutions for every link in the signal chain

Intersil’s Solutions For
Weigh Scale
Load
Cell
Mux
Amp
VREF
ADC
MCU
LCD
Display/
Printer
Interface
RS232/485
Voltage
Supervisors
DC-DC
LDO
& System Mgt
Key Products
Product Type
Precision Amplifier
Instrumentation Amplifiers
Voltage References
Interface
Switches/ MUXes
Analog-Digital Converters
Part Number
Low Noise 5V
ISL28190, ISL28191
40V
ISL28117/217/417, ISL28118/218
Low Drift, Precision, 5V
ISL28133, EL8176, ISL28134,
ISL28133/233/433,
ISL28136/236
Low Cost Op Amps
ISL28113/213/413
ISL28114/214/414
ISL28130/230/430
Low Power In-Amps 5V
EL8170, EL8172/72, ISL28274
40V Precision, Low Noise
In-Amp
ISL28617
Low Noise References
ISL21009, ISL21090
Low Cost References
ISL21070, ISL21080, ISL60002
RS-232
ISL4221E, ISL3232E
RS-485
ISL317XE, ISL315XE
ISL43741
ISL84052
ISL84582
24-bit Delta-Sigma ADCs
ISL26132, ISL26134
ISL26102, ISL26104
Where Used in Weigh Scale
Strain gauge sense amps
Voltage reference buffer circuits
Strain gauge sense amp
Key Features / Benefits
⋅⋅Low offset
⋅⋅Low drift
⋅⋅High CMRR / PSRR
⋅⋅Low power
Bridge front ends
⋅⋅Low power
Used as active sources for sensors
Accurate voltage sources for data conversion
⋅⋅Low noise
⋅⋅Low power
Serial communication between the system
slave and master
⋅⋅IEC61000 ESD
⋅⋅Small packages
⋅⋅Enhanced V_OD (ISL315XE)
Sensor signal multiplexing between load cell
and signal conditioning amplifier, allows very
accurate ADC to be shared between load cells
Low-cost counter/trade/commercial/retail
scales
Precision scales, counting scales, trade
scales, dynamic weighing, pressure sensing,
safety monitors
⋅⋅Low R_ON for low signal loss and higher accuracy
⋅⋅Usually differential connections to keep noise low
⋅⋅Small size
⋅⋅Lowest noise/high accuracy at low cost
⋅⋅Complete solution
⋅⋅Easy to use
⋅⋅Industry-leading low noise up to 4000SPS
⋅⋅Integrated PGA ensures measurement accuracy
⋅⋅Cost-effective high-performance solution
Intersil Signal Path Products  2012  www.intersil.com
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