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    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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    58 産品
    單價
    Brand
    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
    產品詳述
    單價
    Brand
    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庫存編號 830-4987
    • 製造零件編號 ACPL-C87AT-000E
    HK$86.30
    Broadcom
    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庫存編號 178-3213
    • 製造零件編號 ACPL-C87AT-000E
    毎管:80 个
    HK$51.699
    Broadcom
    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庫存編號 178-3172
    • 製造零件編號 ACPL-790B-000E
    毎管:50 个
    HK$50.293
    Broadcom
    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庫存編號 768-7907
    • 製造零件編號 ACPL-C87B-000E
    HK$68.60
    Broadcom
    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庫存編號 734-4984
    • 製造零件編號 ACPL-790B-000E
    HK$70.33
    Broadcom
    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庫存編號 922-6769
    • 製造零件編號 ACPL-C87B-000E
    毎管:80 个
    HK$49.277
    Broadcom
    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庫存編號 922-6731
    • 製造零件編號 ACPL-7900-000E
    毎管:50 个
    HK$35.065
    Broadcom
    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庫存編號 178-3171
    • 製造零件編號 ACPL-790A-000E
    毎管:50 个
    HK$38.732
    Broadcom
    Single
    -
    3 → 5.5 V
    -
    -
    1
    8.28V/V
    Through Hole
    PDIP
    8
    9.8 x 6.35 x 3.56mm
    3.56mm
    6.35mm
    9.8mm
    • RS庫存編號 693-5974
    • 製造零件編號 ACPL-C78A-000E
    HK$97.30
    Broadcom
    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庫存編號 734-4988
    • 製造零件編號 ACPL-7900-000E
    HK$47.40
    Broadcom
    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庫存編號 922-6513
    • 製造零件編號 ACPL-C87BT-000E
    毎管:80 个
    HK$64.349
    Broadcom
    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庫存編號 450-907
    • 製造零件編號 HCPL-7840-300E
    HK$56.80
    Broadcom
    Single
    -
    5 V
    76.1dB
    -
    1
    18.49dB
    Surface Mount
    PDIP SMD
    8
    3.56 x 9.8 x 6.35mm
    3.56mm
    6.35mm
    9.8mm
    • RS庫存編號 734-4981
    • 製造零件編號 ACPL-790A-000E
    HK$56.80
    Broadcom
    Single
    -
    3 → 5.5 V
    -
    -
    1
    8.28V/V
    Through Hole
    PDIP
    8
    9.8 x 6.35 x 3.56mm
    3.56mm
    6.35mm
    9.8mm
    • RS庫存編號 922-5674
    • 製造零件編號 HCPL-7840-300E
    毎管:50 个
    HK$36.206
    Broadcom
    Single
    -
    5 V
    76.1dB
    -
    1
    18.49dB
    Surface Mount
    PDIP SMD
    8
    3.56 x 9.8 x 6.35mm
    3.56mm
    6.35mm
    9.8mm
    • RS庫存編號 922-6633
    • 製造零件編號 ACPL-C78A-000E
    毎管:80 个
    HK$69.231
    Broadcom
    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庫存編號 830-4981
    • 製造零件編號 ACPL-C87BT-000E
    HK$95.15
    Broadcom
    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庫存編號 830-4971
    • 製造零件編號 ACPL-7900-300E
    个(每托盘 2 )
    HK$53.555
    Broadcom
    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
    毎管:45 个
    HK$44.982
    Broadcom
    Single
    -
    3 → 5.5 (VDD2) V, 4.5 → 5.5 (VDD1) V
    -
    -
    -
    -
    Surface Mount
    SOIC
    16
    10.31 x 7.49 x 3.5mm
    3.5mm
    7.49mm
    10.31mm
    • RS庫存編號 714-0209
    • 製造零件編號 ACPL-C79A-000E
    HK$58.20
    Broadcom
    Single
    -
    4.5 → 5.5 V
    -
    -
    2
    8.28V/V
    Surface Mount
    SSOP
    8
    5.85 x 6.807 x 3.18mm
    3.18mm
    6.807mm
    5.85mm
    • RS庫存編號 818-8262
    • 製造零件編號 ACPL-782T-000E
    HK$89.90
    Broadcom
    -
    -
    -
    -
    -
    -
    -
    Through Hole
    -
    -
    -
    -
    -
    -
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