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    Welcome, ShenZhen ChengQiang Photoelectric Digital Co.,LTD!

    24-hour national service hotline: 0755-27865902

    Product

    Product
    联系我们
    Contacts: Chen Zhijun 13723456795, 13600400586
    Chen Qiang 13622347822
    Tel: 0755-27865902, 27661193, 27865113
    Fax: 0755-27865183
    Website: f7w.513woniu.com/www.zgszchq.com
    Email: zgszchq@163.com
    Address: Chengqiang Science and Technology Park, No. 4 Private Road, Shilongzi, Shuitian, Shiyan Town, Bao'an District, Shenzhen
    CHQ1838D

    CHQ1838D

    Chq1838d chq1838d no net, infrared receiving head, iron shell, infrared receiving head

    ChengQiang PhotoelectricCHQ1838D.pdf

    • 电路图
    • 光电参数
    应用电路图:

    原理图:

    1.光电参数(T=25℃  Vcc=5v  f0=38KHZ)

    参数 符号 测试条件 Min Typ Mnx 单位
    工作电压 Vcc 2.7 5.5 V
    接收距离 L L5IR=300MA (测试信号) 10 25 M
    载波频率 f0 38 KHZ
    接收角度 01/2 距离衰减1/2 +/-45 Deg
    BMP宽度 FBW -3Db Band width 3.5 6.0 8.5 kHz
    静态电流 Icc Iin=0μA,Vcc=3V - 0.9 1.5 mA
    Iin=0μA,Vcc=5V - 1.0 1.5  mA
    低电平输出 VOL Vin=0V Isink=2.0mA 0.2 0.4 V
    高电平输出 VOH VCC=3V  2.7 3.0 - V
    Vcc=5V 4.7 5.0 - V
    输出脉 宽度 TPWL Vin=500μVp-p※ 500 600 700 μs
    TPWH Vin=50mVp-p※ 500 600  700 μs

    2.测试波型:

    图片1.jpg

    3.极限参数:

    项目 符号 规格 单位
    供应电压 Vcc 5.5 V
    工作温度 Topr -25-85
    储存温度 Tstg -40-125
    焊接温度 Tsol 280
    Contact us
    Contacts: Chen Zhijun 13723456795, 13600400586
                    Chen Qiang 13622347822
    Tel: 0755-27865902, 27661193, 27865113
    Fax: 0755-27865183
    Website: f7w.513woniu.com/www.zgszchq.com
    Email: zgszchq@163.com
    Address: Chengqiang Science and Technology Park, No. 4 Private Road, Shilongzi, Shuitian, Shiyan Town, Bao'an District, Shenzhen


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