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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รายละเอียดสินค้า / Description ราคา / Price 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 Stock No. 734-4934
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.HCPL-7510-000E
Brand :Broadcom
THB164.94
Each
Units
Single 5.5V 4.5 → 5.5 V - - 1 - Through Hole PDIP 8 9.8 x 6.35 x 3.56mm 3.56mm 6.35mm 9.8mm
RS Stock No. 300-8259
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.ISO124U
THB537.12
Each
Units
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 Stock No. 922-6765
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.ACPL-C87A-000E
Brand :Broadcom
THB155.788
Each (In a Tube of 80)
Units
Single - 4.5 → 5.5 V -78dB - 1 1.01V/V Surface Mount SSOP 8 5.85 x 6.807 x 3.18mm 3.18mm 6.807mm 5.85mm
RS Stock No. 768-7897
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.ACPL-C87A-000E
Brand :Broadcom
THB197.93
Each
Units
Single - 4.5 → 5.5 V -78dB - 1 1.01V/V Surface Mount SSOP 8 5.85 x 6.807 x 3.18mm 3.18mm 6.807mm 5.85mm
RS Stock No. 922-6719
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.ACPL-C790-000E
Brand :Broadcom
THB137.093
Each (In a Tube of 80)
Units
Single - 3 → 5.5 V - - 1 8.44V/V Surface Mount SOIC 8 5.85 x 6.807 x 3.18mm 3.18mm 6.807mm 5.85mm
RS Stock No. 734-4988
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.ACPL-7900-000E
Brand :Broadcom
THB168.54
Each
Units
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 Stock No. 830-4987
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.ACPL-C87AT-000E
Brand :Broadcom
THB285.66
Each
Units
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 Stock No. 912-9787
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.AD202KY
THB2,396.238
Each (In a Tube of 9)
Units
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 Stock No. 106-7017
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.AD215AY
THB2,903.313
Each (In a Tube of 8)
Units
Dual ±15V - - - 1 20dB Through Hole SIP 12 21.4 x 63 x 8.3mm 21.4mm 8.3mm 63mm
RS Stock No. 803-0747
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.ACPL-782T-300E
Brand :Broadcom
THB367.93
Each
Units
- - - - - - - Surface Mount DIP - - - - -
RS Stock No. 178-3173
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.ACPL-782T-300E
Brand :Broadcom
THB320.86
Each (In a Tube of 50)
Units
- - - - - - - - - - - - - -
RS Stock No. 461-8267
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.ISO122JP
THB936.27
Each
Units
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 Stock No. 912-9983
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.AD210AN
THB3,151.457
Each (In a Tube of 9)
Units
Dual ±15V - 120dB - 1 100V/V Through Hole PDIP 12 53.3 x 25 x 8.91mm 8.91mm 25mm 53.3mm
RS Stock No. 178-3213
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.ACPL-C87AT-000E
Brand :Broadcom
THB273.80
Each (In a Tube of 80)
Units
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 Stock No. 818-8357
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.HCPL-7510-300E
Brand :Broadcom
THB164.255
Each: (In a Pack of 2)
Units
Single - 4.5 → 5.5 V - - 1 4/0.512V/V Through Hole PDIP 8 9.8 x 6.35 x 3.56mm 3.56mm 6.35mm 9.8mm
RS Stock No. 768-7907
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.ACPL-C87B-000E
Brand :Broadcom
THB222.28
Each
Units
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 Stock No. 922-6731
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.ACPL-7900-000E
Brand :Broadcom
THB129.162
Each (In a Tube of 50)
Units
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 Stock No. 796-8789
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.AD210AN
THB3,563.83
Each
Units
Dual ±15V - 120dB - 1 100V/V Through Hole PDIP 12 53.3 x 25 x 8.91mm 8.91mm 25mm 53.3mm
RS Stock No. 734-4931
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.ACPL-C790-000E
Brand :Broadcom
THB181.59
Each
Units
Single - 3 → 5.5 V - - 1 8.44V/V Surface Mount SOIC 8 5.85 x 6.807 x 3.18mm 3.18mm 6.807mm 5.85mm
RS Stock No. 231-5196
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.AD215AY
THB3,855.27
Each
Units
Dual ±15V - - - 1 20dB Through Hole SIP 12 21.4 x 63 x 8.3mm 21.4mm 8.3mm 63mm
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