PH311 Version Issue Date File Name Total Pages : A.002 : 2007/11/21 : SP-PH311-A.002.doc : 11 LIGHT-TO-VOLTAGE CONVERTERS 新竹市科學園區展業一路 9 號 7 樓之 1 SILICON TOUCH TECHNOLOGY INC. 9-7F-1, Prosperity Road I, Science Based Industrial Park, Hsin-Chu, Taiwan 300, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 點晶科技股份有限公司 PH311 SILICON TOUCH TECHNOLOGY INC. LIGHT-TO-VOLTAGE CONVERTERS GENERAL DESCRIPTION PH311 is a low-noise, high-sensitivity and light-to-voltage converter . The device integrates a photodiode and a trans-impedance amplifier in a single IC and is characterized by its peak wavelength at 800 nm. FEATURES 1. Integrating photodiode, operational amplifier, and feedback components. 2. Tiny SMD type package: Width:2 mm Height: 1.3 mm Depth: 0.5mm 3. High sensing illuminance responsivity (0~550lx). 4. Rail-to-Rail Output 5. Wide power supply range(2.7~5.5V) . 6. Reject 50Hz /60Hz light ripple Noise 7. High power-supply rejection 8. Shut-Down function 9. Excellent output linearity of illuminance. FUNCTIONAL BLOCK DIAGRAM VDD SD OUT To ADC or Controller. O.1uF VSS SP-PH311-A.002 -1- Version：A.002 點晶科技股份有限公司 PH311 SILICON TOUCH TECHNOLOGY INC. ABSOLUTE MAXIMUM RATINGS ITEM Supply Voltage Output Current Operating Temperature Storage Temperature Electrostatic Damage SYMBOL VDD Io Topr Tstg ESD RATING -0.5~6 ±10 -25 to +85 -40 to +85 4 UNIT V mA ℃ ℃ kV RECOMMENDED OPERATING CONDITIONS ITEM SYMBOL MIN. VDD 2.7 Supply Voltage TYP. 3.3 5.0 MAX. UNIT 5.5 V ELECTRICAL CHARACTERISTICS (VDD=5V, TA=25℃, if not mentioned ) ITEM SYMBOL TEST CONDITIONS MIN. TYP. MAX. UNIT Output Dark Voltage VD Ee = 0 lx 25 mV Max Output Voltage VDD = 5V VOM 4.7 4.9 5.0 V Swing Output Voltage VO Ee =100 lx (Note 1) 0.645 0.86 1.075 V Illuminance Responsivity Rv (Note 1) 6.45 8.6 10.75 mV/lx Supply Current IDD (0 lx) VDD=5V, Ee =0 lx 52 65 78 uA Note 1: Fluorescence light is used as light source. However, white LED is substituted in a mass-production process. SWITCHING CHARACTERISTICS (VDD = 5 V, TA = 25℃, unless otherwise noted) ITEM Output Pulse Rise Time (10% to 90% of Final Value) Output Pulse Fall Time (10% to 90% of Final Value) SP-PH311-A.002 SYMBOL TEST CONDITIONS MIN. TYP. MAX. UNIT tr Ee = 0 lx to 660 lx 30 60 100 ms tf Ee = 660 lx to 0 lx 30 60 100 ms -2- Version：A.002 點晶科技股份有限公司 PH311 SILICON TOUCH TECHNOLOGY INC. Parameter Measurement Information NOTES: A. The input irradiance is supplied by a pulsed light-emitting diode with the following characteristics: tr < 1us, tf < 1us. B. The output waveform is monitored on an oscilloscope with the following characteristics: tr <100ns, Zi≧1M Ohm, CL=13pF. Output Voltage v.s. Illuminance Ev (lux) L-V 5 4.5 4 Output Voltage (V) 3.5 3 2.5 2 1.5 1 0.5 0 0 50 SP-PH311-A.002 100 150 200 -3- 250 300 Illuminance (LUX) 350 400 450 Version：A.002 500 550 點晶科技股份有限公司 PH311 SILICON TOUCH TECHNOLOGY INC. Spectral Response 1 Relative Sensitivity 0.8 0.6 0.4 0.2 0 200 400 600 800 1000 1200 Wavelength (nm) Relative V-Ta 5.0 4.5 Output Voltage (V) 4.0 3.5 Ee=550 lx 3.0 Ee=100 lx 2.5 2.0 1.5 1.0 0.5 0.0 -40 -20 0 20 40 60 80 Ambient Temperature (℃) SP-PH311-A.002 -4- Version：A.002 1400 點晶科技股份有限公司 PH311 SILICON TOUCH TECHNOLOGY INC. Relative Response v.s. Incident Angle 1.1 Normalized Relative Response 1.0 0.9 0.8 0.7 0.6 x-direction 0.5 y-direction 0.4 0.3 0.2 0.1 0.0 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 Incident Angle (degree) SP-PH311-A.002 -5- Version：A.002 點晶科技股份有限公司 PH311 SILICON TOUCH TECHNOLOGY INC. PAD DESCRIPTIONS PAD NO. PAD NAME DESCRIPTIONS 1 2 3 4 VSS OUT SD VDD Ground Output Shut-down (High Active) Power PACKAGE DESCRIPTIONS BOTTOM VIEW TOP VIEW 1 2 SP-PH311-A.002 4 3 -6- 4 1 3 2 Version：A.002 點晶科技股份有限公司 PH311 SILICON TOUCH TECHNOLOGY INC. TAPE DIMENSION SP-PH311-A.002 -7- Version：A.002 點晶科技股份有限公司 PH311 SILICON TOUCH TECHNOLOGY INC. REEL DIMENSION SP-PH311-A.002 -8- Version：A.002 點晶科技股份有限公司 PH311 SILICON TOUCH TECHNOLOGY INC. REFLOW SOLDERING (1) Recommend soldering paste specification: Operating temp.: Above 220℃, 60sec Max. Peak temp.: 260℃, Max., 10sec Max. (2)Never take next process until the component is cooled down to room temperature after reflow. (3)The recommended reflow soldering profile is following: REWORK (1) Customer must finish rework within 3 sec. under 350℃ . (2) The head of iron cannot touch copper foil. (3)Twin-head type is preferred. SP-PH311-A.002 -9- Version：A.002 點晶科技股份有限公司 PH311 SILICON TOUCH TECHNOLOGY INC. The products listed herein are designed for ordinary electronic applications, such as electrical appliances, audio-visual equipment, communications devices and so on. Hence, it is advisable that the devices should not be used in medical instruments, surgical implants, aerospace machinery, nuclear power control systems, disaster/crime-prevention equipment and the like. Misusing those products may directly or indirectly endanger human life, or cause injury and property loss. Silicon Touch Technology, Inc. will not take any responsibilities regarding the misusage of the products mentioned above. Anyone who purchases any products described herein with the above-mentioned intention or with such misused applications should accept full responsibility and indemnify. Silicon Touch Technology, Inc. and its distributors and all their officers and employees shall defend jointly and severally against any and all claims and litigation and all damages, cost and expenses associated with such intention and manipulation. SP-PH311-A.002 -10- Version：A.002