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    首頁(yè)產(chǎn)品索引LC898201

    LC898201

    購(gòu)買(mǎi)收藏
    ?Drive Controller, Iris/Zoom/Focus, and Day-Night Switch

    制造商：ON

    中文數(shù)據(jù)手冊(cè)

    產(chǎn)品信息

    LC898201 is the appropriate motor control LSI for the surveillance camera usage, and it can drive iris, focus, zoom and Day/Night switching simultaneously. It incorporates two feedback circuits for iris and focus control, and two stepper motor control circuits for zoom and Day/Night switching. Moreover, the feedback control applies iris control, and stepper motor controls apply focus, zoom and Day/Night switching at the mode selection. Stepper motor control circuits can drive the stepping motor efficiently(It is called “ECO(GREEN)-driver”).
    • Built-in equalizer circuit by digital operation
    • - Iris control equalizer circuit
    • - Focus control equalizer circuit (MR sensor can be connected.)
    • - Coefficients can be set arbitrarily through the SPI interface.
    • - Computed values in the equalizer can be monitored.
    • Built-in 3ch stepping motor control circuits (2ch are equipped with “ECO(GREEN)-driver” circuits)
    • SPI bus interface
    • PI control circuit
    • - 30mA Sink output terminal
    • - Built-in PI detecting function (A/D method)
    • A/D converter
    • - 12bit (6ch)
    • : Iris, Focus, ECO, PI detection
    • D/A converter
    • - 8bit (5ch)
    • : Hall offset, Constant current bias, MR Sensor offset, ECO offset
    • Operation Amplifier
    • - 4ch (ECO x1, Iris control x1, Focus control x2)
    • PWM pulse generator
    • - PWM Pulse generator for feedback control (Up to 12bit accuracy)
    • - PWM pulse generator for stepper motor control (Up to 1024 micro steps)
    • - PWM pulse generator for general-purpose H-Bridge (128 voltage levels)
    • Motor Driver
    • - ch1 to ch6 : Io max=200mA
    • - ch7 : Io max=300mA
    • - Built-in thermal protection circuit
    • - Built-in low-voltage malfunction prevention circuit
    • OSC (Type. 48MHz)
    • Power supply voltage
    • - Logic unit : 2.7V to 3.6V (IO, Internal core)
    • - Driver unit : 2.7V to 5.5V (Motor drive)

    在線購(gòu)買(mǎi)

    型號(hào)制造商描述購(gòu)買(mǎi)
    LC898201TA-NHONLC898201 是適用于監(jiān)控?cái)z像頭的電機(jī)控制 LSI，可以同時(shí)驅(qū)動(dòng)虹膜、變焦、聚焦和日間/夜間切換。它結(jié)合了兩個(gè)用于虹膜和聚焦控制的反饋電路，兩個(gè)用于變焦和日間/夜間切換的步進(jìn)電機(jī)控制電路。而且，在模式選擇條件下，反饋控制用于虹膜控制，步進(jìn)電機(jī)控制應(yīng)用于變焦、聚焦和日間/夜間切換。 立即購(gòu)買(mǎi)
    LC898201RA-NHON 立即購(gòu)買(mǎi)

    技術(shù)資料

    標(biāo)題類(lèi)型大?。↘B）下載
    TQFP64 7x7 / TQFP64PDF58 點(diǎn)擊下載
    FBGA64 6x6PDF56 點(diǎn)擊下載
    Drive Controller, Iris/Zoom/Focus, and Day-Night SwitchPDF562 點(diǎn)擊下載

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