參數(shù)資料
型號: RPM871-E2
廠商: Rohm Semiconductor
文件頁數(shù): 5/8頁
文件大小: 69K
描述: MODULE IRDA 115.2KBPS 8SMD
標準包裝: 1,000
RPM871 
 
Photo Link Module
 
 
Rev.B
5/7 
 
Timing chart
less than 45祍
(emitting)
more than 45祍
approximately 45祍
less than 2.3祍
more than 2.3祍
approximately 2.3祍
approximately 2.3祍
pull up to VCC at approximately 300k&
(emitting)
(emitting)
(Emitting side)
(Detecting side)
TXD
 (7pin)
Internal LED
 (Light output)
Light input
RXD
 (6pin)
PWDOWN
 (5pin)
 
 
 
Attached components 
Recommended values
Part symbol
C1
Recommended value
Notice
1礔, tantalum or ceramic
Ex.) TCFGA1A105M8R (ROHM)
Bigger capacitance is recommended with much noise from power supply
R1
7.5&?%, 1/4W
(VLEDVCC=2.8V)
More than 60cm distance, more than 4[礧/cm
2
] at detecting side.
(vs ver1.0)
More than 46cm distance, more than 6.8[礧/cm
2
] at detecting side.
(vs RPM871)
 
 
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],
Link distance : d[cm] (Including LEDs distribution within ?5deg)
 
R1=T ?(VLEDVCC1.45) / d
2
3.5 [&]
ILED=Duty ?(VLEDVCC1.36) / (R1+2.5) [A]
 
Duty : LED duty at emitting
T : 17300 (vs. RPM871), 29400 (vs. ver1.0)
 
 Please set up to be ILED / Duty < 200[mA] (Duty < 20%)
 
 
 
 
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相關代理商/技術參數(shù)
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RPM871-H12E4 功能描述:MODULE IRDA 115.2KBPS 8SMD RoHS:是 類別:傳感器,轉換器 >> IrDA 收發(fā)器模塊 系列:- 產品變化通告:Product Discontinuation 30/Sept/2009 產品目錄繪圖:GP2W Series 標準包裝:1 系列:* 數(shù)據速率:115.2kbs(SIR) 電源電壓:2.4 V ~ 3.6 V 無效電流,標準值@ 25° C:70µA 通信距離,低功率:20cm 方向:側視圖 工作溫度:-40°C ~ 85°C 尺寸:8.3mm x 2.1mm x 1.7mm 標準:IrPHY 1.4 關機:* 包裝:Digi-Reel® 其它名稱:425-2614-6