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    Instrumentation Amplifiers

    Instrumentation amplifiers (sometimes shortened to In-Amps) are a type of precision gain block used in electronic and measurement test equipment. Instrumentation amplifiers act as a differential amplifier; a type of electronic amplifier that amplifies the voltage difference between two inputs but suppresses any voltage signals that are common to the two inputs. RS offer a range of instrumentation amplifiers from several trusted brands in the industry, including Analog Devices, Microchip, Texas Instruments, and more.

    How do instrumentation amplifiers work?

    Instrumentation amplifiers are almost always composed of 3 op-amps (operational amplifiers) and several resistors. They provide the most important function of CMR (common-mode rejection) by cancelling out any signals that have the same potential as received by both of the inputs. Any signals that have different potentials get amplified. They are used for low frequency signals (such as <1MHz), which they amplify whilst also cutting out any common-mode noise that may be present in the input signal.

    What are the instrumentation amplifiers used for?

    An instrumentation amplifier measures small signals in a noisy environment. The noise generally is "common-mode noise" (the difference between the noise-free common-mode voltage and the actual common-mode voltage). An instrumentation amplifier uses its common-mode rejection to distinguish the noise from the signal of interest. Instrumentation amplifiers are needed in nearly every field of electronics, particularly in the test and measurement industry. They can be used as a voltage follower, selective inversion circuit, a current-to-voltage converter, active rectifier, integrator, a variety of filters, and a voltage comparator.

    Unlike instrumentation amplifiers (In Amp), operational amplifiers (Op-Amp) are high-gain voltage amplifying devices with a differential input.

    Typical applications

    • Test & Measurement Industrial Devices
    • Data Acquisition Devices
    • Medical Devices

    228 สินค้าที่แสดงสำหรับ Instrumentation Amplifiers

    • RS Stock No. 146-0294
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. MCP6N16-001E/MS
    Each (In a Tube of 100)
    THB75.813
    Microchip
    Single
    MSOP
    Surface Mount
    1.8 → 5.5 V
    8
    -
    Rail to Rail Output
    85µV
    -40 °C
    +125 °C
    1kΩ
    89dB
    500kHz
    -
    • RS Stock No. 829-0551P
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. MCP6N16-010E/MS
    Each (Supplied in a Tube)
    THB91.82
    Microchip
    Single
    MSOP
    Surface Mount
    1.8 → 5.5 V
    8
    -
    Rail to Rail Output
    22µV
    -40 °C
    +125 °C
    1kΩ
    103dB
    5MHz
    -
    • RS Stock No. 829-0551
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. MCP6N16-010E/MS
    Each: (In a Pack of 5)
    THB91.82
    Microchip
    Single
    MSOP
    Surface Mount
    1.8 → 5.5 V
    8
    -
    Rail to Rail Output
    22µV
    -40 °C
    +125 °C
    1kΩ
    103dB
    5MHz
    -
    • RS Stock No. 829-0560P
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. MCP6N16-100E/MS
    Each (Supplied in a Tube)
    THB90.392
    Microchip
    Single
    MSOP
    Surface Mount
    1.8 → 5.5 V
    8
    -
    Rail to Rail Output
    17µV
    -40 °C
    +125 °C
    1kΩ
    112dB
    35MHz
    -
    • RS Stock No. 829-0560
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. MCP6N16-100E/MS
    Each: (In a Pack of 5)
    THB90.392
    Microchip
    Single
    MSOP
    Surface Mount
    1.8 → 5.5 V
    8
    -
    Rail to Rail Output
    17µV
    -40 °C
    +125 °C
    1kΩ
    112dB
    35MHz
    -
    • RS Stock No. 197-7159
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. INA128P
    Each
    THB920.21
    Texas Instruments
    Dual
    PDIP
    Through Hole
    ±15 V
    8
    -
    -
    50µV
    -
    -
    -
    -
    -
    -
    • RS Stock No. 251-6966P
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. HV56022-V/KNX
    Each (Supplied in a Tube)
    THB76.168
    Microchip
    Dual
    VQFN
    Surface Mount
    3.3 V
    20
    -
    No
    110mV
    -
    -
    -
    -
    124Hz
    -
    • RS Stock No. 251-6966
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. HV56022-V/KNX
    Each: (In a Pack of 5)
    THB76.168
    Microchip
    Dual
    VQFN
    Surface Mount
    3.3 V
    20
    -
    No
    110mV
    -
    -
    -
    -
    124Hz
    -
    • RS Stock No. 829-0557
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. MCP6N16-001E/MS
    Each: (In a Pack of 5)
    THB94.198
    Microchip
    Single
    MSOP
    Surface Mount
    1.8 → 5.5 V
    8
    -
    Rail to Rail Output
    85µV
    -40 °C
    +125 °C
    1kΩ
    89dB
    500kHz
    -
    • RS Stock No. 829-0557P
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. MCP6N16-001E/MS
    Each (Supplied in a Tube)
    THB94.198
    Microchip
    Single
    MSOP
    Surface Mount
    1.8 → 5.5 V
    8
    -
    Rail to Rail Output
    85µV
    -40 °C
    +125 °C
    1kΩ
    89dB
    500kHz
    -
    • RS Stock No. 165-4165
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. MCP6N16-010E/MS
    Each (In a Tube of 100)
    THB76.586
    Microchip
    Single
    MSOP
    Surface Mount
    1.8 → 5.5 V
    8
    -
    Rail to Rail Output
    22µV
    -40 °C
    +125 °C
    1kΩ
    103dB
    5MHz
    -
    • RS Stock No. 165-4166
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. MCP6N16-100E/MS
    Each (In a Tube of 100)
    THB76.586
    Microchip
    Single
    MSOP
    Surface Mount
    1.8 → 5.5 V
    8
    -
    Rail to Rail Output
    17µV
    -40 °C
    +125 °C
    1kΩ
    112dB
    35MHz
    -
    • RS Stock No. 197-7139
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. INA114BP
    Each
    THB505.05
    Texas Instruments
    Dual
    PDIP
    Through Hole
    ±15 V
    8
    -
    -
    50µV
    -
    -
    -
    -
    1MHz
    -
    • RS Stock No. 251-6963
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. HV56020-V/KXX
    Each (In a Tray of 260)
    THB127.781
    Microchip
    Dual
    VQFN
    Surface Mount
    3.3 V
    43
    -
    No
    110mV
    -
    -
    -
    -
    124Hz
    -
    • RS Stock No. 251-6965
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. HV56022-V/KNX
    Each (In a Tube of 91)
    THB64.278
    Microchip
    Dual
    VQFN
    Surface Mount
    3.3 V
    20
    -
    No
    110mV
    -
    -
    -
    -
    124Hz
    -
    • RS Stock No. 252-1622P
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. INA126UA
    Each (Supplied in a Tube)
    THB96.36
    Texas Instruments
    Dual
    SOIC
    Surface Mount
    12 V, 15 V, 18 V, 24 V, 28 V, 3 V, 5 V, 9 V
    8
    ±15V
    No
    0.5mV
    -40 °C
    +85 °C
    1GΩ
    74dB
    -
    0.2 mA
    • RS Stock No. 121-8507
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. INA125PA
    Each (In a Tube of 25)
    THB245.362
    Texas Instruments
    Dual, Single
    PDIP
    Through Hole
    5 V
    16
    ±15V
    -
    0.5mV
    -55 °C
    +125 °C
    100GΩ
    72dB
    -
    -
    • RS Stock No. 251-6964
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. HV56020-V/KXX
    Each: (In a Pack of 2)
    THB154.77
    Microchip
    Dual
    VQFN
    Surface Mount
    3.3 V
    43
    -
    No
    110mV
    -
    -
    -
    -
    124Hz
    -
    • RS Stock No. 251-6964P
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. HV56020-V/KXX
    Each (Supplied in a Tray)
    THB154.77
    Microchip
    Dual
    VQFN
    Surface Mount
    3.3 V
    43
    -
    No
    110mV
    -
    -
    -
    -
    124Hz
    -
    • RS Stock No. 121-7251P
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. ISL28534FVZ-T7A
    Each (Supplied on a Reel)
    THB210.00
    Intersil
    Dual, Single
    TSSOP
    Surface Mount
    2.5 → 5.5 V
    14
    ±1.25 → ±2.75V
    Rail to Rail Input/Output
    10µV
    -40 °C
    +125 °C
    -
    80dB
    3MHz
    3.5 mA
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