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 121-8263
Tillv. art.nrISO122P
VarumärkeTexas Instruments
251,779 kr
Each (In a Tube of 25)
Enheter
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 263-497
Tillv. art.nrISO122P
VarumärkeTexas Instruments
285,80 kr
Each
Enheter
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 709-2324
Tillv. art.nrISO122JUE4
VarumärkeTexas Instruments
242,78 kr
Each
Enheter
Dual ±12 V, ±15 V, ±5 V, ±9 V - - - 1 0dB Surface Mount SOP 8 2.3 x 17.9 x 7.5mm 2.3mm 7.5mm 17.9mm
RS-artikelnummer 866-0215
Tillv. art.nrISO124P
VarumärkeTexas Instruments
164,298 kr
Each (In a Tube of 25)
Enheter
Dual ±4.5 → ±18V - 140dB - 1 - Through Hole PDIP 8 21.34 x 7.11 x 4.95mm 4.95mm 7.11mm 21.34mm
RS-artikelnummer 817-5789
Tillv. art.nrAMC1200SDUB
VarumärkeTexas Instruments
53,35 kr
Each
Enheter
Dual 5V - - - 1 8 Surface Mount SOP 8 9.55 x 6.67 x 3.35mm 3.35mm 6.67mm 9.55mm
RS-artikelnummer 921-3000
Tillv. art.nrAMC1200SDUBR
VarumärkeTexas Instruments
34,781 kr
Each (On a Reel of 350)
Enheter
Single - 5 V 108dB - 1 8dB Surface Mount SOP 8 9.55 x 6.67 x 3.35mm 3.35mm 6.67mm 9.55mm
RS-artikelnummer 121-9701
Tillv. art.nrAMC1100DUB
VarumärkeTexas Instruments
45,924 kr
Each (In a Tube of 50)
Enheter
Dual 5V - 108dB - 1 - Surface Mount SOP 8 9.55 x 6.67 x 3.35mm 3.35mm 6.67mm 9.55mm
RS-artikelnummer 121-8271
Tillv. art.nrISO122U
VarumärkeTexas Instruments
270,634 kr
Each (In a Tube of 20)
Enheter
Dual ±12 V, ±15 V, ±5 V, ±9 V - - - 1 0dB Surface Mount SOIC 28 2.3 x 17.9 x 7.5mm 2.3mm 7.5mm 17.9mm
RS-artikelnummer 817-5786
Tillv. art.nrAMC1100DUB
VarumärkeTexas Instruments
50,25 kr
Each
Enheter
Dual 5V - 108dB - 1 - Surface Mount SOP 8 9.55 x 6.67 x 3.35mm 3.35mm 6.67mm 9.55mm
RS-artikelnummer 178-5472
Tillv. art.nrISO120G
VarumärkeTexas Instruments
1 385,702 kr
Each (In a Tube of 9)
Enheter
Dual ±12 V, ±15 V, ±5 V, ±9 V - - - 1 0dB Through Hole SBCDIP 16 2.86 x 30.48 x 7.37mm 2.86mm 7.37mm 30.48mm
RS-artikelnummer 300-8243
Tillv. art.nrISO124P
VarumärkeTexas Instruments
187,36 kr
Each
Enheter
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 288-777
Tillv. art.nrISO122U
VarumärkeTexas Instruments
293,35 kr
Each
Enheter
Dual ±12 V, ±15 V, ±5 V, ±9 V - - - 1 0dB Surface Mount SOIC 28 2.3 x 17.9 x 7.5mm 2.3mm 7.5mm 17.9mm
RS-artikelnummer 923-6740
Tillv. art.nrISO122JUE4
VarumärkeTexas Instruments
221,814 kr
Each (In a Tube of 20)
Enheter
Dual ±12 V, ±15 V, ±5 V, ±9 V - - - 1 0dB Surface Mount SOP 8 2.3 x 17.9 x 7.5mm 2.3mm 7.5mm 17.9mm
RS-artikelnummer 121-9702
Tillv. art.nrAMC1200SDUB
VarumärkeTexas Instruments
44,851 kr
Each (In a Tube of 50)
Enheter
Dual 5V - - - 1 8 Surface Mount SOP 8 9.55 x 6.67 x 3.35mm 3.35mm 6.67mm 9.55mm
RS-artikelnummer 300-8259
Tillv. art.nrISO124U
VarumärkeTexas Instruments
185,09 kr
Each
Enheter
Dual ±12 V, ±15 V, ±5 V, ±9 V - - - 1 0dB Surface Mount SOP 8 2.3 x 17.9 x 7.5mm 2.3mm 7.5mm 17.9mm
RS-artikelnummer 263-481
Tillv. art.nrISO120G
VarumärkeTexas Instruments
1 185,29 kr
Each
Enheter
Dual ±12 V, ±15 V, ±5 V, ±9 V - - - 1 0dB Through Hole SBCDIP 16 2.86 x 30.48 x 7.37mm 2.86mm 7.37mm 30.48mm
RS-artikelnummer 825-3164
Tillv. art.nrAMC1200SDUBR
VarumärkeTexas Instruments
53,25 kr
Each (In a Pack of 2)
Enheter
Single - 5 V 108dB - 1 8dB Surface Mount SOP 8 9.55 x 6.67 x 3.35mm 3.35mm 6.67mm 9.55mm