Isolation Amplifiers

Isolation Amplifiers are instruments that have been designed to measure the smallest current and voltage signals in the presence of high common mode voltage by providing electrical safety barrier and electrical isolation. They are differential amplifiers that protect data acquisition components from common mode voltages, which are potential differences between instrument ground and signal ground.

How to select a correct isolation amplifier?
There are two main types of isolation amplifiers and the decision of using one or another may depend on several aspects and user needs:

• Single-ended, floating common - an isolated and quasi-balanced input (the floating common is typically connected to the (-) input of differential amplifier). Suitable for off-ground measurements up to breakdown voltage of the isolation barrier, and exhibits very good common mode rejection (100 dB typical).

• Differential, floating common - an isolated and balanced input. Suitable for off-ground measurements of the breakdown voltage of the isolation barrier, and exhibits superb common mode rejection (>120 dB).

What is typical application of isolation amplifiers?
Isolation amplifiers are commonly used in test and measurement or medical devices. Also, they are popular in solar and fuel cells construction to profile the performance of individual series-connected voltage cells.

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Beskrivning Pris Power Supply Type Typical Dual Supply Voltage Typical Single Supply Voltage Isolation Mode Rejection Rail to Rail Number of Channels per Chip Maximum Voltage Gain Mounting Type Package Type Pin Count Dimensions Height Width Length
RS-artikelnummer 912-9787
Tillv. art.nrAD202KY
VarumärkeAnalog Devices
576,92 kr
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Single - 15 V 105dB - 2 1 → 100V/V Through Hole SIP 10 52.8 x 6.6 x 15.9mm 15.9mm 6.6mm 52.8mm
RS-artikelnummer 759-2196
Tillv. art.nrAD202KY
VarumärkeAnalog Devices
743,03 kr
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Single - 15 V 105dB - 2 1 → 100V/V Through Hole SIP 10 52.8 x 6.6 x 15.9mm 15.9mm 6.6mm 52.8mm
RS-artikelnummer 922-6513
Tillv. art.nrACPL-C87BT-000E
VarumärkeBroadcom
79,039 kr
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Single - 3 → 5.5 V - - 1 1.005V/V Surface Mount SOIC 8 5.85 x 6.807 x 3.18mm 3.18mm 6.807mm 5.85mm
RS-artikelnummer 369-5774
Tillv. art.nrAD202JY
VarumärkeAnalog Devices
605,028 kr
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Single - 15 V 130dB - 1 40dB Through Hole SIP 11 15.9 x 52.8 x 6.6mm 15.9mm 6.6mm 52.8mm
RS-artikelnummer 830-4981
Tillv. art.nrACPL-C87BT-000E
VarumärkeBroadcom
96,06 kr
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Single - 3 → 5.5 V - - 1 1.005V/V Surface Mount SOIC 8 5.85 x 6.807 x 3.18mm 3.18mm 6.807mm 5.85mm
RS-artikelnummer 106-7018
Tillv. art.nrAD202JY
VarumärkeAnalog Devices
509,969 kr
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Single - 15 V 130dB - 1 40dB Through Hole SIP 11 15.9 x 52.8 x 6.6mm 15.9mm 6.6mm 52.8mm
RS-artikelnummer 127-0272
Tillv. art.nrAD202JN
VarumärkeAnalog Devices
684,40 kr
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Single - 15 V 130dB - 1 40dB Through Hole PDIP 11 8.9 x 53.3 x 17.8mm 8.9mm 17.8mm 53.3mm
RS-artikelnummer 263-497
Tillv. art.nrISO122P
VarumärkeTexas Instruments
285,80 kr
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Dual ±12 V, ±15 V, ±5 V, ±9 V - - - 1 0dB Through Hole PDIP 8 3.94 x 20.01 x 6.61mm 3.94mm 6.61mm 20.01mm
RS-artikelnummer 121-8263
Tillv. art.nrISO122P
VarumärkeTexas Instruments
251,779 kr
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Dual ±12 V, ±15 V, ±5 V, ±9 V - - - 1 0dB Through Hole PDIP 8 3.94 x 20.01 x 6.61mm 3.94mm 6.61mm 20.01mm
RS-artikelnummer 106-7013
Tillv. art.nrAD202JN
VarumärkeAnalog Devices
504,847 kr
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Single - 15 V 130dB - 1 40dB Through Hole PDIP 11 8.9 x 53.3 x 17.8mm 8.9mm 17.8mm 53.3mm
RS-artikelnummer 759-2187
Tillv. art.nrAD202KN
VarumärkeAnalog Devices
643,04 kr
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Single - 15 V 105dB - 2 1 → 100V/V Through Hole PDIP 10 53.3 x 17.8 x 8.52mm 8.52mm 17.8mm 53.3mm
RS-artikelnummer 145-6786
Tillv. art.nrAD204KN
VarumärkeAnalog Devices
503,822 kr
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- - - 110dB - 2 1 → 100V/V Through Hole PDIP 10 53.3 x 17.8 x 8.52mm 8.52mm 17.8mm 53.3mm
RS-artikelnummer 830-4971
Tillv. art.nrACPL-7900-300E
VarumärkeBroadcom
48,91 kr
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Single - 3 → 5.5 V - - 1 8.44V/V Surface Mount PDIP 8 9.8 x 6.35 x 3.56mm 3.56mm 6.35mm 9.8mm
RS-artikelnummer 693-5961
Tillv. art.nrACPL-C780-000E
VarumärkeBroadcom
73,00 kr
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Single - 5 V 76dB - 1 18.32dB Surface Mount SOIC 8 3.18 x 5.85 x 6.81mm 3.18mm 6.81mm 5.85mm
RS-artikelnummer 145-7087
Tillv. art.nrAD204JY
VarumärkeAnalog Devices
433,393 kr
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- - - 130dB - 1 40dB Through Hole SIP 11 15.9 x 52.8 x 6.3mm 15.9mm 6.3mm 52.8mm
RS-artikelnummer 693-5974
Tillv. art.nrACPL-C78A-000E
VarumärkeBroadcom
103,19 kr
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Single - 5 V 76dB - 1 18.15dB Surface Mount SOIC 8 3.18 x 5.85 x 6.81mm 3.18mm 6.81mm 5.85mm
RS-artikelnummer 922-6510
Tillv. art.nrACPL-7900-300E
VarumärkeBroadcom
22,278 kr
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Single - 3 → 5.5 V - - 1 8.44V/V Surface Mount PDIP 8 9.8 x 6.35 x 3.56mm 3.56mm 6.35mm 9.8mm
RS-artikelnummer 734-4988
Tillv. art.nrACPL-7900-000E
VarumärkeBroadcom
23,16 kr
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Single - 3 → 5.5 V - - 1 8.44V/V Through Hole PDIP 8 9.8 x 6.35 x 3.56mm 3.56mm 6.35mm 9.8mm
RS-artikelnummer 768-7907
Tillv. art.nrACPL-C87B-000E
VarumärkeBroadcom
64,42 kr
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Single - 4.5 → 5.5 V -78dB - 1 1.005V/V Surface Mount SSOP 8 5.85 x 6.807 x 3.18mm 3.18mm 6.807mm 5.85mm
RS-artikelnummer 830-4984
Tillv. art.nrACPL-790B-300E
VarumärkeBroadcom
62,87 kr
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Single - 3 → 5.5 V - - 1 8.24V/V Through Hole PDIP 8 9.8 x 6.35 x 3.56mm 3.56mm 6.35mm 9.8mm
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