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ICA

Miniature Analogue Amplifier

OUTPUT
4-20mA, 0-5V, 0-10V, ±5, ±10

POWER SUPPLY
7.5/28VDC

RATING
ENCLOSURE DEPENDENT

The ICA strain gauge amplifiers are a very popular range of miniature analogue signal conditioners. These amplifiers offer a high-performance in miniature PCB format, designed specifically for fitting inside load cells or within the optional ILE inline housing. ICA amplifiers convert mV/V signal to 4-20mA, 0-10V, 0-5V or ±10V output.


The entire ICA range offers high stability and fast response. Available in 6 versions, the ICA has two performance categories S and H (S = Industrial. H = Very High Stability).


The majority available are of the ICAH range which offers very low drift over wide operating temperatures. The ICA5S is the only ICA amplifier that is only available in the industrial range. 

Technical Information View User Manual Download Data Sheet Get a Quote
The ICA strain gauge amplifier. Miniature analogue signal conditioner from PCM.

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Typical Specification - Voltage Output Amplifiers

ELECTRICAL, ENVIRONMENTAL & MEASUREMENT ICA1H (MIN) ICA1H (TYPICAL) ICA1H (MAX) ICA2H (MIN) ICA2H (TYPICAL) ICA2H (MAX) UNITS NOTE REF
Supply Voltage Range 13 24 28 8.5 12 28 Volts -
Operating Current - 22 - - 22 - mA 1
Operating Temperature Range -40 - 85 -40 - 85 ⁰C -
Storage Temperature Range -40 - 85 -40 - 85 ⁰C -
Reverse Polarity Protection -30 - - -30 - - Volts -
Bridge Excitation 4.9 5 5.1 4.9 5 51 Volts -
Bridge Impedance 350 1000 5000 350 1000 5000 Ω -
Bridge Sensitivity 0.5 2.5 150 0.5 2.5 150 mV/V 2
Output Current Range 0.1 - +10.1 0.1 - +5.1 Volts -
Output Load 5000 - - 5000 - - Ω -
Band Width DC - 1000 DC - 1000 Hz -
Zero Adjustment - ±2 - - ±2 - %FR -
Span Adjustment - ±8 - - ±8 - %FR -
Linearity - 0.02 - - 0.02 - %FR -
Zero Temperature Stability - 0.0004 0.001 - 0.0004 0.0015 ±%FR/⁰C -
Span Temperature Stability - 0.002 0.0051 - 0.002 0.0051 ±%FR/⁰C -
ELECTRICAL, ENVIRONMENTAL & MEASUREMENT ICA3H (MIN) ICA3H (TYPICAL) ICA3H (MAX) ICA6H (MIN) ICA6H (TYPICAL) ICA6H (MAX) UNITS NOTE REF
Supply Voltage Range ±13 ±14 ±15 14 15 18 Volts 3 ICA6H
Operating Current - 22 - - 30 - mA 1
Operating Temperature Range -40 - 85 -40 - 85 ⁰C -
Storage Temperature Range -40 - 85 -40 - 85 ⁰C -
Reverse Polarity Protection -30 - - -30 - - Volts -
Bridge Excitation 4.9 5 5.1 4.9 5 5.1 Volts -
Bridge Impedance 350 1000 5000 350 1000 5000 Ω -
Bridge Sensitivity 0.5 2.5 150 0.5 2.5 150 mV/V 2
Output Current Range -10 - +10 -10 - +10 Volts -
Output Load 5000 - - 5000 - - Ω -
Band Width DC - 1000 DC - 1000 Hz -
Zero Adjustment - ±2 - - ±2 - %FR -
Span Adjustment - ±8 - - ±8 - %FR -
Linearity - 0.02 - - 0.02 - %FR -
Zero Temperature Stability - 0.0004 0.001 - 0.0004 0.0015 ±%FR/⁰C -
Span Temperature Stability - 0.002 0.0051 - 0.002 0.0051 ±%FR/⁰C -

Typical Specification - Current Output Amplifiers

ELECTRICAL, ENVIRONMENTAL & MEASUREMENT ICA4H (MIN) ICA4H (TYPICAL) ICA4H (MAX) ICA5S (MIN) ICA5S (TYPICAL) ICA5S (MAX) UNITS NOTE REF
Supply Voltage Range 13 24 28 7.5 24 28 Volts 4 ICA4H
Operating Current 26 - 42 4 - 20 mA 1
Operating Temperature Range -40 - 85 -40 - 85 ⁰C -
Storage Temperature Range -40 - 85 -40 - 85 ⁰C -
Reverse Polarity Protection -30 - - -30 - - Volts -
Bridge Excitation 4.9 5 5.1 1.05 1.11 1.16 Volts 5 ICA5S
Bridge Impedance 350 1000 5000 350 1000 5000 Ω 6 ICA5S
Bridge Sensitivity 0.5 2.5 150 0.5 2.5 55 mV/V 2
Output Current Range 4 - 20 4 - 20 Volts -
Output Load - - 1000 - - 800 Ω 7 ICA4H
Band Width DC - 1000 DC - 1000 Hz -
Zero Adjustment - ±2 - - ±2 - %FR 5 ICA5S
Span Adjustment - ±8 - - ±8 - %FR -
Linearity - 0.02 - - 0.02 - %FR -
Zero Temperature Stability - 0.0004 0.001 - 0.001 0.005 ±%FR/⁰C -
Span Temperature Stability - 0.002 0.0051 - 0.007 0.014 ±%FR/⁰C -

(1) With 350Ω load cell connected. (2) Factory setting is the typical value shown. For other values, fit an alternative calibration resistor. (3) ICA6 maximum

voltage can be increased to 24V with a 1000Ω load cell. (4) The ICA4 can tolerate a lower supply voltage if the output load is reduced, e.g. operation is

possible at 8V provided that the load does not exceed 150Ω. (5) ICA5 with 1000Ω load cell connected. (6) ICA5 recommended bridge impedance is 1000Ω

or greater. (7) 24V minimum supply/sink mode.

Typical Specification - General

STORAGE TEMPERATURE OPERATING TEMPERATURE RELATIVE HUMIDITY CE ENVIRONMENTAL APPROVALS
-40°C to +85°C. -40°C to +85°C. 95% maximum, non-condensing. European EMC Directive 2004/108/EC and Low Voltage Directive 2006/95/EC.

Outline Dimensions (mm)

Outline dimensions for the ICA miniature analogue amplifier.

Ordering Codes

CODE DESCRIPTION
ICA1H 3-Wire 0.1-10.1V output amplifier. High Stability
ICA2H 3-Wire 0.1-5.1V output amplifier. High Stability.
ICA3H 4-Wire ±10V output amplifier. High Stability.
ICA4H 3-Wire 4-20mA output amplifier. High Stability.
ICA5S 2-Wire 4-20mA output amplifier. Industrial Stability.
ICA6H 3-Wire ±10V output amplifier for 14-24V supply. High Stability.
ILE Inline stainless-steel housing (View Full Datasheet)
Premium Quality Products Badge in White and Green

Premium Quality

Fast Turnaround Badge in White and Green

Rapid Turnaround

Dedicated Support Team Badge in White and Green

Dedicated Support Team

Warranty Badge in White and Green

12 Month Warranty