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                      1. Home
                      2. Sensors & Transducers
                      3. Sensors
                      4. Current Sensors & Transducers
                      5. Current Sensor ICs
                      Print Page

                      ACHS-7121-000E

                      Current Sensor, Bidirectional, ± 1.5%, SOIC, 8 Pins

                      BROADCOM ACHS-7121-000E
                      Image is for illustrative purposes only. Please refer to product description.
                      ManufacturerBROADCOM
                      Manufacturer Part NoACHS-7121-000E
                      Newark Part No.03AM9212
                      Technical Datasheet

                      Data Sheet

                      See all Technical Docs
                      20 In Stock

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                      QuantityPrice
                      1+$2.780
                      10+$2.580
                      25+$2.410
                      50+$2.300
                      100+$2.210
                      250+$2.190
                      500+$2.160
                      Price for:Each
                      Minimum: 1
                      Multiple: 1
                      $2.78
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                      Added to your Order Confirmation, Invoice, and Dispatch note for this order only.
                      This number will be added to the Order Confirmation, Invoice, Dispatch note, Web confirmation Email and Product Label.

                      Product Information

                      ManufacturerBROADCOM
                      Manufacturer Part NoACHS-7121-000E
                      Newark Part No.03AM9212
                      Technical Datasheet

                      Data Sheet

                      Quiescent Current-
                      Current Sensor TypeHall Effect
                      Bandwidth80kHz
                      Current Sense DirectionBidirectional
                      Accuracy± 1.5%
                      Measured CurrentAC / DC
                      Measured Current-
                      Sensor Case StyleSOIC
                      Sensor Case / PackageSOIC
                      No. of Pins8Pins
                      Supply Voltage Min4.5V
                      Supply Voltage Max5.5V
                      Isolation Voltage3kVrms
                      Output InterfaceVoltage
                      Sensor IC MountingSurface Mount
                      Operating Temperature Min-40°C
                      Operating Temperature Max110°C
                      Product Range-
                      QualificationAEC-Q100
                      SVHCNo SVHC (23-Jan-2024)

                      Product Overview

                      ACHS-7121-000E is a fully integrated hall effect-based isolated linear current sensor device designed for AC or DC current sensing in industrial, commercial, and communications systems. The ±10A rated ACHS-7121 consists of a precise, low-offset, linear hall circuit with a copper conduction path located near the surface of the die. Applied current flowing through this copper conduction path generates a magnetic field that the hall IC converts into a proportional voltage. Device accuracy is optimized through the close proximity of the magnetic signal to the differential hall transducers. A precise, proportional voltage is provided by the low-offset, chopper-stabilized CMOS hall IC, which is programmed for accuracy after packaging. Applications include low-power inverter current sensing, motor phase and rail current sensing, solar inverters, chargers and converters, switching power supplies.

                      • Output voltage proportional to AC or DC currents, low-noise analog signal path
                      • Ratiometric output from supply voltage, single supply operation: 5.0V
                      • Device bandwidth is set via FILTER pin:80KHz typ. bandwidth with 1nF filter capacitor
                      • Extremely stable output offset voltage, near zero magnetic hysteresis
                      • Typical total output error of ±1.5%, >25kV/μs common-mode transient immunity
                      • Worldwide safety approval: UL, CSA: isolation voltage 3kVRMS, 1 minute
                      • Wide operating temperature range from -40ºC to 110ºC
                      • Primary conductor resistance is 0.7mohm typical
                      • Sensitivity is 185mV/A typ at -10A ≤ IP ≤ 10A, TA = 25°C, VDD = 5.0V, CF = 1nF
                      • Small footprint, low-profile SO-8 package

                      Technical Specifications

                      Quiescent Current

                      -

                      Bandwidth

                      80kHz

                      Accuracy

                      ± 1.5%

                      Measured Current

                      -

                      Sensor Case / Package

                      SOIC

                      Supply Voltage Min

                      4.5V

                      Isolation Voltage

                      3kVrms

                      Sensor IC Mounting

                      Surface Mount

                      Operating Temperature Max

                      110°C

                      Qualification

                      AEC-Q100

                      Current Sensor Type

                      Hall Effect

                      Current Sense Direction

                      Bidirectional

                      Measured Current

                      AC / DC

                      Sensor Case Style

                      SOIC

                      No. of Pins

                      8Pins

                      Supply Voltage Max

                      5.5V

                      Output Interface

                      Voltage

                      Operating Temperature Min

                      -40°C

                      Product Range

                      -

                      SVHC

                      No SVHC (23-Jan-2024)

                      Technical Docs (1)

                      Technical Data Sheet EN

                      Legislation and Environmental

                      US ECCN:EAR99
                      EU ECCN:Unknown
                      RoHS Compliant:Yes

                      RoHS

                      RoHS Phthalates Compliant:Yes

                      RoHS

                      SVHC:No SVHC (23-Jan-2024)
                      Download Product Compliance Certificate

                      Product Compliance Certificate

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