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everlight electronics co., ltd. http://www.everlight.com document no: dls-0000035 rev 1.0 jun. 07. 2011. 1 surface - mount digital ambient light sensor with proximity sensor aps-12d-1-02/tr8 features ambient light sensing ? 4 selectable range: range 1 = 0.24lux to 1000lux range 2 = 0.96lux to 4000lux range 3 = 3.84lux to 16000lux range 4 = 15.36lux to 64000lu x ? human eye type spectral response (ir rejection) ? 12-bit effective resolution ? provides an output count proportional to ambient light over the full operating range proximity sensing ? ir led driver can adjust current drive from 50ma to 6.25ma ? 12-bit effective resolution ? storage temperature range from -40 to 100c ? operating temperature range from -40c to 85c ? operating voltage range: 2.25v ~ 3.5v ? size: 2.1mm (l) x 2.0mm (w) x 0.6mm (h) ? rohs compliant and pb free package description aps-12d-1-02/tr8 is a digital-output light sensor, combining two photodiodes and signal processing circuit on a single cmos integrated circ uit to provide light measurements over an effective 12-bit dynamic range with a response simi lar to that of human eye. the integrating conversion technique employed by the aps-12d-1-02/t r8 effectively eliminates the effect of flicker from ac-powered lamps, increasing the stabi lity of the measurement. connected with an infrared led (ired), the built-in proximity sensor can reveal the closeness of approaching/departing objects. this device is inten ded primarily for use in applications in which measurement of ambient light and proximity sensing is a must, such as laptop computers, pdas, camcorders, and gps systems. applications ? detection of ambient light for controlling the ba cklighting of tft lcd display ? automatic residential and commercial lighting man agement ? automatic contrast enhancement for electronic sig nboard ? mobile phone, notebook pc, net pc, umpc, gps etc .
everlight electronics co., ltd. http://www.everlight.com document no: dls-0000035 rev 1.0 jun. 07. 2011. 2 surface - mount digital ambient light sensor with proximity sensor aps-12d-1-02/tr8 package dimensions unit: mm tolerances: 0.1mm
everlight electronics co., ltd. http://www.everlight.com document no: dls-0000035 rev 1.0 jun. 07. 2011. 3 surface - mount digital ambient light sensor with proximity sensor aps-12d-1-02/tr8 pcb pad descriptions absolute maximum ratings (ta=25 ) parameter parameter parameter parameter symbol symbol symbol symbol min. min. min. min. max. max. max. max. unit unit unit unit storage temperature tstg -40 100 c operating temperature topr -40 85 c supply voltage v dd -0.3 5.0 v digital output voltage vo -0.3 4.0 v digital output current io -10 +10 ma esd tolerance, human body model 2 - kv
everlight electronics co., ltd. http://www.everlight.com document no: dls-0000035 rev 1.0 jun. 07. 2011. 4 surface - mount digital ambient light sensor with proximity sensor aps-12d-1-02/tr8 block diagram figure 1. aps-12d-1-02/tr8 block diagram typical application circuit figure 2. aps-12d-1-02/tr8 typical application cir cuit
everlight electronics co., ltd. http://www.everlight.com document no: dls-0000035 rev 1.0 jun. 07. 2011. 5 surface - mount digital ambient light sensor with proximity sensor aps-12d-1-02/tr8 electrical and optical characteristics (ta=25 , v op =3.0 v) parameter parameter parameter parameter sy sysy syb bb b test conditions test conditions test conditions test conditions min. min. min. min. typ. typ. typ. typ. max. max. max. max. unit unit unit unit operating voltage v op 2.25 3.5 v supply current idd1 supply current for ambient light sensing 70 90 a idd2 power shut down 0.1 1 a internal oscillator frequency fosc rext=560 k 596 665 721 khz reference voltage vref 0.51 v dark output data0 e=0 lux 0 3 counts full scale adc code data fs 4095 counts prox output 1 [note 1.] data_ir1 ee= 25uw/cm2, ir sensing range 1 938 1250 1563 counts prox output 2 [note 1.] data_ir2 ee= 25uw/cm2, ir sensing range 2 312 counts prox output 3 [note 1.] data_ir3 ee= 25uw/cm2, ir sensing range 3 78 counts prox output 4 [note 1.] data_ir4 ee= 25uw/cm2, ir sensing range 4 19 counts count output variation ambient light sensing 5 % light count output with lsb of 0.24lux/count [note2.] data 1 e=300lux, fluorescent light range1(1k lux) 938 1250 1563 counts light count output with lsb of 0.96lux/count [note2.] data 2 e=300lux, fluorescent light range2(4k lux) 312 counts light count output with lsb of 3.84lux/count [note2.] data 3 e=300lux, fluorescent light range3(16k lux) 78 counts light count output with lsb of 15.36lux/count [note2.] data 4 e=300lux, fluorescent light range4(64k lux) 19 counts
everlight electronics co., ltd. http://www.everlight.com document no: dls-0000035 rev 1.0 jun. 07. 2011. 6 surface - mount digital ambient light sensor with proximity sensor aps-12d-1-02/tr8 parameter parameter parameter parameter syb syb syb syb test condition test condition test condition test condition min. min. min. min. typ. typ. typ. typ. max. max. max. max. unit unit unit unit irdr source current 1 [note.3] irdri1 is<0:0>=0 40 50 60 ma irdr source current 2 [note.3] irdri2 is<0:1>=1 25 ma irdr source current 3 [note.3] irdri3 is<1:0>=2 12.5 ma irdr source current 4 [note.3] irdri4 is<1:1>=3 6.25 ma ir drive pin output voltage v ir iirled=50ma vcc-0.4 vcc v irdr rise time t r 35 ns irdr fall time t f 10 ns ir dr output frequency 0 irdrf0 dc khz ir dr output frequency 3 irdrf3 39 khz data update time t 12-bit adc data 52.5 ms clock frequency fi 2 c 400 khz input voltage l vil 0.6 v input voltage h vih 1.5 v sda low level output voltage vol sda sink 3ma 0 0. 4 v high level input current iih -10 10 a low level input current iil -10 10 a data transfer wait time tbuf 1.3 10 s scl start hold time thd;dat 0.6 s scl low level hold time tlow 100 ns scl high level hold time thigh 0.6 s start condition setup time tsu;sta 0.6 s sda data setup time thd;dat 0.6 s note: 1. 850nm ir led is used in production test. 2. white fluorescent light (color temperature = 6500k) is used as light source. however, white led is substituted in mass production. 3. see register set on page 7 & 8.
everlight electronics co., ltd. http://www.everlight.com document no: dls-0000035 rev 1.0 jun. 07. 2011. 7 surface - mount digital ambient light sensor with proximity sensor aps-12d-1-02/tr8 register structure (1) 00h (command 1) als/ps operating mode select op2-op0 operating mode select (2) 01h (command 2) als/ps irdr & modulation frequency & range select is1-is 0 00 0 irdr select freq1-freq 0 00 0 modulation frequency select op2 op1 op0 operating mode 0 0 0 power-down the device 0 0 1 als once 0 1 0 surrounding ir ones 0 1 1 proximity once 1 0 0 (reserved) 1 0 1 als continuous 1 1 0 surrounding ir continuous 1 1 1 proximity continuous freq1 freq0 modulation frequency 0 0 dc 0 1 n/a 1 0 n/a 1 1 39khz is1 is0 irdr pin source current 0 0 50ma 0 1 25ma 1 0 12.5ma 1 1 6.25ma r/w 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 op2 op1 op0 0 0 0 0 0 a command 1 sp st slave address a sub address r/w 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 is1 is0 freq1 freq0 res1 res0 range1 range 0 a command 1 sp st slave address a sub address
everlight electronics co., ltd. http://www.everlight.com document no: dls-0000035 rev 1.0 jun. 07. 2011. 8 surface - mount digital ambient light sensor with proximity sensor aps-12d-1-02/tr8 res1-res0 resolution select (12bit only) range1-range 0 00 0 range select (3) 02h (data lsb) als/aps data read mode for least significant bit (l sb) st slave address r/w a register address st slave address r/w a data (lsb) sp 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 0 0 1 d7 d6 d5 d4 d3 d2 d1 d0 d0 is lsb for 12-bit resolution r/w format 0 write / 1 read (4) 03h (data msb) als/aps data read mode for most significant bit (ms b) st slave address r/w a register address st slave address r/w a data (msb) sp 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 1 0 0 1 0 0 0 0 d11 d10 d9 d8 d11 is msb for 12-bit resolution r/w format 0 write / 1 read res1 res0 n-bit adc 0 0 12 0 1 12 1 0 12 1 1 12 range1 range0 fsr@als fsr@ir sensing 0 0 1000 4095 0 1 4000 4095 1 0 16000 4095 1 1 64000 4095
everlight electronics co., ltd. http://www.everlight.com document no: dls-0000035 rev 1.0 jun. 07. 2011. 9 surface - mount digital ambient light sensor with proximity sensor aps-12d-1-02/tr8 0 100 200 300 400 500 600 700 800 900 1000 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 select range : 4000 lux vcc = 3v fluorescent light incandescent lamp als ouput reading (lux) lux meter reading (lux) -40 -20 0 20 40 60 80 100 0 1 2 3 vcc= 3v ev = 0 lux als output adc count temperature ( ) fig.3 sensitivity to different light source fig.4 spectral response fig.5 ps output vs. object distance fig.6 als out put (dark) vs. temperature 0 20 40 60 80 100 0 500 1000 1500 2000 2500 3000 3500 4000 4500 vcc: 3v object: kodak gray card (18% reflectance) select range: range1 adc count objcet distance (mm) ir drive current : 50ma ir drive current : 25ma ir drive current : 12.5ma ir drive current : 6.25ma fig.7 supply current vs. temperature
everlight electronics co., ltd. http://www.everlight.com document no: dls-0000035 rev 1.0 jun. 07. 2011. 10 surface - mount digital ambient light sensor with proximity sensor aps-12d-1-02/tr8 recommended solder profile notice: 1. reflow soldering should not be done more than two t imes. 2. when soldering, do not put stress on the devices du ring heating. 3. after soldering, do not warp the circuit board. soldering iron each terminal is to go to the tip of soldering iron temperature less than 350 for 3 seconds within once in less than the soldering iron capacity 25w. leave two seconds and more intervals, and do soldering of each terminal. be careful because the damage of the product is often started at the time of the hand solder. repairing repair should not be done after the device have bee n soldered. when repairing is unavoidable, a double-head soldering iron should be used (as below figure). it should be confirmed beforehand whether the characteristics of the device will or w ill not be damaged by repairing.
everlight electronics co., ltd. http://www.everlight.com document no: dls-0000035 rev 1.0 jun. 07. 2011. 11 surface - mount digital ambient light sensor with proximity sensor aps-12d-1-02/tr8 packing quantity specification 2000 pcs/ 1 reel label format reel dimensions unit: mm tolerances: 0.1mm
everlight electronics co., ltd. http://www.everlight.com document no: dls-0000035 rev 1.0 jun. 07. 2011. 12 surface - mount digital ambient light sensor with proximity sensor aps-12d-1-02/tr8 tape dimensions unit: mm tolerances: 0.1mm note: 1. above specification may be changed without notice. everlight will reserve authority on material change for above specification. 2. when using this product, please observe the absolut e maximum ratings and the instructions for using outlined in these specification sheets. e verlight assumes no responsibility for any damage resulting from use of the product which does not comply with the absolute maximum ratings and the instructions included in these spec ification sheets. 3. do not directly touch device. 4. these specification sheets include materials protec ted under copyright of everlights corporation. please dont reproduce or cause anyone to reproduce them without everlights consent.

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