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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제품설명 단가 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 제품 번호 830-4987
제조사 부품 번호ACPL-C87AT-000E
제조사Broadcom
₩13,497.40
Each
수량
Single - 3 → 5.5 V - - 1 1.01V/V Surface Mount SOIC 8 5.85 x 6.807 x 3.18mm 3.18mm 6.807mm 5.85mm
RS 제품 번호 178-3213
제조사 부품 번호ACPL-C87AT-000E
제조사Broadcom
₩10,850.00
Each (In a Tube of 80)
수량
Single - 3 → 5.5 V - - 1 1.01V/V Surface Mount SOIC 8 5.85 x 6.807 x 3.18mm 3.18mm 6.807mm 5.85mm
RS 제품 번호 795-1453
제조사 부품 번호Si8261ACA-C-IS
제조사Silicon Labs
₩1,512.80
Each (In a Pack of 10)
수량
Single - 5 → 30 V - Rail to Rail Output 1 - Surface Mount SOIC 8 5 x 4 x 1.55mm 1.55mm 5mm 5mm
RS 제품 번호 914-0090
제조사 부품 번호AD215BY
제조사Analog Devices
₩128,770.90
Each
수량
Dual ±15V - 120dB - 1 - Through Hole SIP 12 63 x 8.3 x 21.4mm 21.4mm 8.3mm 63mm
RS 제품 번호 168-9952
제조사 부품 번호SI8261ACA-C-IS
제조사Silicon Labs
₩1,543.80
Each (In a Tube of 96)
수량
Single - 5 → 30 V - Rail to Rail Output 1 - Surface Mount SOIC 8 5 x 4 x 1.55mm 1.55mm 5mm 5mm
RS 제품 번호 160-3298
제조사 부품 번호AD215BY
제조사Analog Devices
₩117,269.90
Each (In a Tube of 8)
수량
Dual ±15V - 120dB - 1 - Through Hole SIP 12 63 x 8.3 x 21.4mm 21.4mm 8.3mm 63mm
RS 제품 번호 106-7017
제조사 부품 번호AD215AY
제조사Analog Devices
₩114,371.40
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수량
Dual ±15V - - - 1 20dB Through Hole SIP 12 21.4 x 63 x 8.3mm 21.4mm 8.3mm 63mm
RS 제품 번호 121-8550
제조사 부품 번호ISO122JP
₩31,680.45
Each (In a Tube of 25)
수량
- - - - - - - - - - - - - -
RS 제품 번호 106-7018
제조사 부품 번호AD202JY
제조사Analog Devices
₩96,918.40
Each (In a Tube of 9)
수량
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 제품 번호 178-3172
제조사 부품 번호ACPL-790B-000E
제조사Broadcom
₩7,750.00
Each (In a Tube of 50)
수량
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
RS 제품 번호 734-4984
제조사 부품 번호ACPL-790B-000E
제조사Broadcom
₩8,895.45
Each
수량
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
RS 제품 번호 461-8267
제조사 부품 번호ISO122JP
₩36,363.00
Each
수량
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 제품 번호 922-6769
제조사 부품 번호ACPL-C87B-000E
제조사Broadcom
₩7,750.00
Each (In a Tube of 80)
수량
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 제품 번호 768-7907
제조사 부품 번호ACPL-C87B-000E
제조사Broadcom
₩9,724.70
Each
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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 제품 번호 231-5196
제조사 부품 번호AD215AY
제조사Analog Devices
₩115,834.60
Each
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Dual ±15V - - - 1 20dB Through Hole SIP 12 21.4 x 63 x 8.3mm 21.4mm 8.3mm 63mm
RS 제품 번호 369-5774
제조사 부품 번호AD202JY
제조사Analog Devices
₩108,879.75
Each (In a Tube of 9)
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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 제품 번호 922-6731
제조사 부품 번호ACPL-7900-000E
제조사Broadcom
₩5,669.90
Each (In a Tube of 50)
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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 제품 번호 786-3151
제조사 부품 번호ADUM3190ARQZ
제조사Analog Devices
₩3,465.80
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Single - 3 → 20 V - - 2 80dB Surface Mount QSOP 16 5 x 4.01 x 1.65mm 1.65mm 4.01mm 5mm
RS 제품 번호 300-8243
제조사 부품 번호ISO124P
₩27,909.30
Each
수량
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 제품 번호 693-5974
제조사 부품 번호ACPL-C78A-000E
제조사Broadcom
₩14,225.90
Each
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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