o1712nk 20121010-s00002 /60612 sy no.a2079-1/8 http://onsemi.com semiconductor components industries, llc, 2013 august, 2013 LV0104CS overview LV0104CS is a photo ic for micro-sized ambient light sensor which has the characteristics of spectral response similar to that of human eyes. it is suitable for the app lications like mobile phone (for digital-tv, one-segment), lcd-tv, laptop computer, pda, dsc and camcorder. functions ? smallest od-csp package in the world (1.08mm 1.08mm thickness: 0.6mm) ? great spectrum sensitivity characteristic ? 16-bit digital output for i 2 c-bus ? low current consumption, integrated sleep function specifications absolute maximum ratings at ta=25c parameter symbol conditions ratings unit power supply voltage v dd 4.0 v logic i/o levels v io -0.3 to v dd +0.3 v operating temperature range topr -30 to 85 c storage temperature range tstg -40 to 100 c recommended operating conditions at ta = 25 c parameter symbol condition min. typ max. unit recommended supply voltage v dd op 2.3 2.5 3.6 v input low level voltage v i l scl, sda 0.55 v input high level voltage v i h scl, sda ,vdd=2.8v 1.26 v output low level voltage v o l sda, iol=3ma 0.4 v input leak current i leak scl,sda -5 5 a * i 2 c interface(scl,sda) is for vio=1.8v operation. monolithic linear ic halogen-free digital ambient light sensor orderin g numbe r : ena2079a stresses exceeding maximum ratings may damage the device. maximum ratings are stress ratings only. functional operation above the recommended oper ating conditions is not implied. extended exposure to stresses above the recommended operating conditions may affect device reliabili ty.
LV0104CS no.a2079-2/8 electrical characteristics at ta = 25 c, v cc = 5v parameter symbol conditions min. typ max. unit supply current i dd ev=0 lux 70 100 a sleep current i slp sleep mode, ev=0 lux 1 a internal oscillator frequency f osc 655 khz dark adc count value d0 ev=0 lux, high gain mode 5 counts full scale adc count value d max 65535 counts data hh gain8mode, ev=1000lx 8000 counts data hm gain2 mode, ev=1000lx 2000 counts data n gain1 mode, ev=1000lx 750 1000 1250 counts adc count value data l gain0.25 mode, ev=1000lx 250 counts rehh1 tint=200ms, gain8 mode 0.125 lx rehh2 tint=100ms, gain8 mode 0.25 lx rehh3 tint=12.5ms, gain8 mode 2 lx rehm1 tint=200ms, gain2 mode 0.5 lx rehm2 tint=100ms, gain2 mode 1 lx rehm3 tint=12.5ms, gain2 mode 8 lx ren1 tint=200ms, gain1 mode 1 lx ren2 tint=100ms, gain1 mode 2 lx ren3 tint=12.5ms, gain1 mode 16 lx rel1 tint=200ms, gain0.25 mode 4 lx rel2 tint=100ms, gain0.25 mode 8 lx resolution rel3 tint=12.5ms, gain0.25 mode 64 lx package dimensions unit : mm (typ) 3371 pad layout no. name function 1 v cc supply voltage pin 2 gnd gnd pin 3 scl i 2 c serial clock 4 sda i 2 c serial data sanyo : odcsp4(1.08x1.08) 0.5 0.1 (0.52) (0.42) 0.68 max 2 1.08 0.5 0.25 1.08 top view pd image index side view side view bottom view 43 12 1 34 1 4 3 2 1 4 3 2 ball pitch: 0.5mm, ball size: 0.25mm
LV0104CS no.a2079-3/8 pad layout (photos) * the position with pad becomes pin 1. block diagram application circuits pad 1 2 3 4 2 1 4 3
LV0104CS no.a2079-4/8 spectrum sensitivity characteristic 400 500 600 700 800 900 1000 0 0.8 0.5 0.4 0.3 0.1 spectral responsivity (v dd = 2.5v) 0.7 0.2 0.6 300 wave length (nm) normalized responsivity human eye lv0104 1.0 0.9 i 2 c interface the control command is received from th e operation of the device by the i 2 c bus (two-wire serial interface). the obtained data is output to the operation by the i 2 c bus. i 2 c bus timing diagram serial interface timing parameter symbol standard mode fast mode unit min min min max clock frequency f(scl) 10 100 10 400 khz bus free time between start and stop condition t(buf) 4.7 1.3 s hold time after (repeated) start condition. after this period, the first t(hdsta) 4.0 0.6 s repeated start condition setup time t(susta) 4.7 0.6 s stop condition setup time t(susto) 4.0 0.6 s data hold time t(hddat) 300 90 ns data setup time t(sudat) 250 100 ns i 2 c clock (scl) low period t(low) 4.7 1.3 s i 2 c clock (scl) high period t(high) 4.0 0.6 s clock / data fall time t(f) 300 300 ns clock / data rise time t(r) 1000 300 ns *specified by design and characterization ; not production tested.
LV0104CS no.a2079-5/8 data format (write) data format (read) slave address a6 a5 a4 a3 a2 a1 a0 r/w 0 0 1 0 0 1 1 x r/w: read: 1, write: 0 (1) write protocol (r/w=0) (2) read protocol (r/w=1) s: start condition p: stop condition a: acknowledge w: write r: read register set (1) measurement d7 d6 d5 d4 d3 d2 d1 d0 name mode1 mode0 - gain1 gain0 integ1 integ0 manual 11:active 00: x0.25 01: x1 10: x2 11: x8 00: 12.5ms 01: 100ms 10: 200ms 11: manual 0: start 1: stop default 00 1 0 1 10 0 (2) sleep mode d7 d6 d5 d4 d3 d2 d1 d0 name mode1 mode0 - - - - - - 00:sleep x x x x x x default 00 x x x x x x (3) setting sensitivity d7 d6 d5 d4 d3 d2 d1 d0 name mode1 mode0 adj5 adj4 adj3 adj2 adj1 adj0 10:setting 0: minus 1: plus adj4 adj3 adj2 adj1 adj0 default 00 0 0 0 0 0 0 s slave address data byte w a p a 7 1 8 s slave address data high byte w a a 7 1 8 data low byte p a 8 master to slave slave to master s a6 a5 a2 a4 a3 a0 a1 a r/w d6 d5 d2 d4 d3 d0 d1 a p d7 slave address data high byte d14 d13 d10 d12 d11 d8 d9 a d15 data low byte s a6 a5 a2 a4 a3 a0 a1 a r/w d6 d5 d2 d4 d3 d0 d1 a p d7 slave address data byte
LV0104CS no.a2079-6/8 bits d5 to d0 adjd adj4 adj3 adj2 adj1 adj0 description 0 0 0 0 0 1 66.7% 0 0 1 0 1 0 95.2% 1 0 0 1 1 0 108.3% 1 0 0 0 0 1 150% 66.7% to150% (adj5 to adj0=000001=66.7%, adj5 to adj0 = 100001 = 150%) ? decreasing sensitivity (adj5=0) sn=16*adj4 + 8*adj3 + 4*adj2 + 2*adj1 + adj0 s=2*sn / (2*sn+1) (example) adj5 to adj0 = 001010, sn=8+2=10, s=20/21=0.952. the sensitivity is 95.2% ? increasing sensitivity (adj5=1) sn =16*adj4 + 8*adj3 + 4*adj2 + 2*adj1 + adj0 s=(2*sn+1) / 2*sn (example) adj5 to adj0=100110, sn=4+2=6, s=13/12=1.083. the sensitivity is 108.3%. (4) read data measurement result is registered to adc cha nnel data registers (dh,dl) in below format. d15 d14 d13 d12 d11 d10 d9 d8 dh (data higher byte) dh7(2 15 ) dh6(2 14 ) dh5(2 13 ) dh4(2 12 ) dh3(2 11 ) dh2(2 10 ) dh1(2 9 ) dh0(2 8 ) d7 d6 d5 d4 d3 d2 d1 d0 dl (data lower byte) dl7(2 7 ) dl6(2 6 ) dl5(2 5 ) dl4(2 4 ) dl3(2 3 ) dl2(2 2 ) dl1(2 1 ) dl0(2 0 ) ? lux calculation (example) dh = ?0010_0100? (dh5, dh2 = 1) dl = ?1000_0001? (dl7, dl0 = 1) 2 13 (8192) + 2 10 (1024) + 2 7 (128) + 2 0 (1) = 9345[lx]
LV0104CS no.a2079-7/8 2.5 3 3.5 4 0 60 20 supply current - supply voltage 40 2 supply voltage, v dd - v supply current, i dd 1 - a 80 -25 0 25 50 75 100 0 80 50 40 30 10 supply current - temperature (v dd =2.5v) 70 20 60 -50 temperature - c normalized responsivity 10 100 1000 10000 100000 1 1000 output - illuminance (v dd = 2.5v) 100 10 1 illuminance - lx output - counts 100000 10000 0 1.0 0.8 0.6 0.2 gain x1 1.4 0.4 1.2 000.. normalized responsivity 1.6 -60 -30 0 30 60 90 0 0.8 0.4 angure response (fluorescent light @1000lx, v dd = 2.5v) 0.2 0.6 -90 incident light angle (degree) normalized responsivity 1.2 2.5 3 3.5 4 0 0.15 0.05 supply current - supply voltage (ex=0lx) 0.1 2 supply current, i dd 2 - a 0.3 0.25 0.2 supply voltage, v dd - v 2.5 3 3.5 4 0 0.6 0.2 output - supply voltage (@1000lx) 0.4 2 normalized responsivity 1.2 1.0 0.8 supply voltage, v dd - v x8 x2 x1 x0.25 supply current, i dd 1 - a -25 0 25 50 75 100 0 1.0 0.8 0.6 0.2 output - temperature (v dd =2.5v) 1.4 0.4 1.2 -50 temperature - c x8 x2 x1 x0.25 x8 x2 x1 x0.25 000.. 000.. 001.. 010.. 000.. 110.. 101.. 100.. 100.. 100.. 1.0
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