參數(shù)資料
型號(hào): RPM971-H14E3A
廠(chǎng)商: Rohm Semiconductor
文件頁(yè)數(shù): 7/9頁(yè)
文件大?。?/td> 97K
描述: MODULE IRDA 5MBPS 8SMD
標(biāo)準(zhǔn)包裝: 2,500
系列: *
數(shù)據(jù)速率: 4Mbs(FIR)
電源電壓: 2.4 V ~ 3.6 V
無(wú)效電流,標(biāo)準(zhǔn)值@ 25° C: 1mA
通信距離,低功率: 20cm,60cm
方向: 側(cè)視圖
工作溫度: -25°C ~ 85°C
尺寸: 8mm x 2.9mm x 2.2mm
標(biāo)準(zhǔn): IrPHY 1.4
關(guān)機(jī): *
包裝: 帶卷 (TR)
RPM971-H14 
Photo Link Module 
7/8
 
Block diagram and application circuit
POWER
DOWN
/Mode
TXD
TXD
RXD
C1
LEDA
NC
RXD
PWDOWN/Mode
VCC
VIO
GND
PWDOWN
/Mode
VCC
VIO
GND
R1
LEDVCC
 
 
Attached components
C1
R1
Part symbol
Recommended value
6.8礔, Ceramic or tantalum
Bigger capacitance is recommended with
much noise from power supply.
Including LED's distribution within ?5deg.
5.6& ?%, 1/4W (LEDVCC=3.0V)
10& ?%, 1/4W (LEDVCC=3.7V)
18& ?%, 1/4W (LEDVCC=5.0V)
Ex.)TCFGA1A685M8R(ROHM)
Notice
 
 
In case of using R1 with different condition from the above, formula is as follows :
LED resistance value : R1 [&], LED average consumption current : ILED [mA], Supply voltage : VLEDVCC [V], minimum
necessary of irradiant intensity Ie1 [mW / sr]
 
R1 = 170 ?(VLEDVCC  1.45) / Ie1 5 [&] 
ILED = Duty ?(VLEDVCC  1.36) / (R1+4) [A]
Duty : LED duty at emitting
 
 Please set up to be ILED < 180[mA] (Duty d 25%). 
相關(guān)PDF資料
PDF描述
RPM972-H14E3A MODULE IRDA 4MBPS 3V SMD
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