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    1. LTJ 系列磁性識別傳感器

      STK-HD/K/G

      STK-HD-K/G current sensor is based on the open loop principle and TMR technology. DC, AC, pulses and any kind of irregularities wave can be measured by the current sensor under the isolated conditions.

      • 產品特征
      • 典型應用
      產品特征

      • ?交流變速驅動器

        ?直流發電機

        ?PV串電流檢測

        ?MPPT

        ?開關型電源(SMPS)


      • 極限參數
      • 電氣參數(Ta=25℃)
      • 物理參數
      • Parameter

        Symbol

        Unit

        Min

        Typ

        Max

        Comment

        Primary nominal current rms

        I_pn

        A

         

        20

         

         

        Primary current measuring range

        I_pm

        A

        -50

         

        50

         

        Supply voltage

        Vcc

        V

        4.75

        5

        5.25

         

        Current consumption

        Icc

        mA

         

        5

        10

         

        Reference voltage

        Vref

        V

        2.47

        2.5

        2.53

        Output function

        Quiescent voltage

        Vout @ 0 A

        Voff

        V

        2.47

        2.5

        2.53

         

        Electrical offset voltage

        (Vout – Vref) @ 0 A

        Voe

        mV

        -8

         

        8

         

        Rated output voltage

        ((Vout – Vref)@I_pn) – Voe

        V_FS

        V

         

        0.8

         

         

        Internal output resistance

        R_out

        Ω

         

        1

         

         

        Internal reference resistance

        R_ref

        Ω

         

        1

         

         

        Theoretical gain

        G

        mV/A

         

        40

         

         

        Rated linearity error

        Non-L

        %I_pn

         

        0.5

         

        Within ±I_pn

        Reaction time

        t_ra

        μs

         

        0.5

         

        @ 10% of I_pn

        Step response time

        t_res

        μs

         

        1.0

         

        @ 90% of I_pn

        Delay time

        t_delay

        μs

         

        0.5

         

        400 kHz sine wave

        Frequency bandwidth (-3dB)

        BW

        MHz

         

        1

         

        No RC circuit

        Output voltage noise

        DC ~ 10 kHz

        DC ~ 100 kHz

        Vnoise

        mVpp

         

         

        8

        10

         

        @250kHz

        Sampling Rate

        Accuracy @ 25

        X

        % of I_pn

        -0.8

         

        0.8

        @ 25

        Accuracy @ -40~105

        X_TRange

        % of I_pn

        -1.5

         

        1.5

        -40 ~ 105

      • Parameter

        Symbol

        Unit

        Min

        Typ

        Max

        Comment

        Primary nominal current rms

        I_pn

        A

         

        20

         

         

        Primary current measuring range

        I_pm

        A

        -50

         

        50

         

        Supply voltage

        Vcc

        V

        4.75

        5

        5.25

         

        Current consumption

        Icc

        mA

         

        5

        10

         

        Reference voltage

        Vref

        V

        2.47

        2.5

        2.53

        Output function

        Quiescent voltage

        Vout @ 0 A

        Voff

        V

        2.47

        2.5

        2.53

         

        Electrical offset voltage

        (Vout – Vref) @ 0 A

        Voe

        mV

        -8

         

        8

         

        Rated output voltage

        ((Vout – Vref)@I_pn) – Voe

        V_FS

        V

         

        0.8

         

         

        Internal output resistance

        R_out

        Ω

         

        1

         

         

        Internal reference resistance

        R_ref

        Ω

         

        1

         

         

        Theoretical gain

        G

        mV/A

         

        40

         

         

        Rated linearity error

        Non-L

        %I_pn

         

        0.5

         

        Within ±I_pn

        Reaction time

        t_ra

        μs

         

        0.5

         

        @ 10% of I_pn

        Step response time

        t_res

        μs

         

        1.0

         

        @ 90% of I_pn

        Delay time

        t_delay

        μs

         

        0.5

         

        400 kHz sine wave

        Frequency bandwidth (-3dB)

        BW

        MHz

         

        1

         

        No RC circuit

        Output voltage noise

        DC ~ 10 kHz

        DC ~ 100 kHz

        Vnoise

        mVpp

         

         

        8

        10

         

        @250kHz

        Sampling Rate

        Accuracy @ 25

        X

        % of I_pn

        -0.8

         

        0.8

        @ 25

        Accuracy @ -40~105

        X_TRange

        % of I_pn

        -1.5

         

        1.5

        -40 ~ 105

      • Parameter

        Symbol

        Unit

        Min

        Typ

        Max

        Comment

        Primary nominal current rms

        I_pn

        A

         

        20

         

         

        Primary current measuring range

        I_pm

        A

        -50

         

        50

         

        Supply voltage

        Vcc

        V

        4.75

        5

        5.25

         

        Current consumption

        Icc

        mA

         

        5

        10

         

        Reference voltage

        Vref

        V

        2.47

        2.5

        2.53

        Output function

        Quiescent voltage

        Vout @ 0 A

        Voff

        V

        2.47

        2.5

        2.53

         

        Electrical offset voltage

        (Vout – Vref) @ 0 A

        Voe

        mV

        -8

         

        8

         

        Rated output voltage

        ((Vout – Vref)@I_pn) – Voe

        V_FS

        V

         

        0.8

         

         

        Internal output resistance

        R_out

        Ω

         

        1

         

         

        Internal reference resistance

        R_ref

        Ω

         

        1

         

         

        Theoretical gain

        G

        mV/A

         

        40

         

         

        Rated linearity error

        Non-L

        %I_pn

         

        0.5

         

        Within ±I_pn

        Reaction time

        t_ra

        μs

         

        0.5

         

        @ 10% of I_pn

        Step response time

        t_res

        μs

         

        1.0

         

        @ 90% of I_pn

        Delay time

        t_delay

        μs

         

        0.5

         

        400 kHz sine wave

        Frequency bandwidth (-3dB)

        BW

        MHz

         

        1

         

        No RC circuit

        Output voltage noise

        DC ~ 10 kHz

        DC ~ 100 kHz

        Vnoise

        mVpp

         

         

        8

        10

         

        @250kHz

        Sampling Rate

        Accuracy @ 25

        X

        % of I_pn

        -0.8

         

        0.8

        @ 25

        Accuracy @ -40~105

        X_TRange

        % of I_pn

        -1.5

         

        1.5

        -40 ~ 105

      • 機械尺寸圖(mm)
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