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Contacts: Chen Zhijun 13723456795, 13600400586
Chen Qiang 13622347822
Tel: 0755-27865902, 27661193, 27865113
Fax: 0755-27865183
Website: www.szchq.net/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
CHQ1838A

CHQ1838A

Chq1838a, infrared receiver, iron shell, infrared receiver

  • 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: www.szchq.net/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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