1 ? fn6484.0 caution: these devices are sensitive to electrosta tic discharge; follow proper ic handling procedures. 1-888-intersil or 1-888-468-3774 | intersil (and design) is a registered trademark of intersil americas inc. copyright ? intersil americas inc. 2008. all rights reserved. all other trademarks mentioned are the property of their respective owners. isl29009 non-linear output current, low power ambient light ph oto detect ic the isl29009 is a light-to-curr ent silicon optical sensor combining a photodiode and current amplifiers on a single monolithic ic. similar to human eyes, the photodiode has peak sensitivity at 550nm and spans from 400nm to 700nm, rejecting uv light and ir light. the input luminance range is from 0.3 lux to 10,000 lux. the integrated non-linear current amplifier boosts and converts the photodiode signal in a square root fashion, extending the light input dynamic range while ma intaining excellent sensitivity at dim conditions with low lux levels. the device consumes minimal power over a wide range of ambient lux levels because the current consumption ramps at a square root fashion. a dark current compensation circuit aids the photodiode to minimize temperature dependent leakage currents in the absence of light, improving the light sens itivity at low lux levels. in addition, the isl29009 has an en pin that can be used for a polling scheme extending portables? battery life. the isl29009 is housed in an ultra compact 2mmx2.1mm odfn plastic case surface mount package. operation is rated from -40c to +85c. simplified block diagram features ? non-linear current output ? 0.3 lux to 10,000 lux range ? dark current compensation ? temperature compensated ? human eye response ? 1.8v to 3.3v supply range ? low supply current ? fast response time ? 6 ld odfn: 2mmx2.1mmx0.7mm ? pb-free (rohs compliant) applications ? display and keypad dimming for: - mobile devices: smart phone, pda, gps - computing devices: notebook pc, webpod - consumer devices: lcd-tv, digital picture frame, digital camera ? industrial and medical light sensing pinout isl29009 (6 ld odfn) top view ordering information part number (note) temp. range (c) package (pb-free) pkg. dwg. # ISL29009IROZ-T7* -40 to +85 6 ld odfn l6.2x2.1 *please refer to tb347 for detai ls on reel specifications. note: these intersil pb-free pl astic packaged products employ special pb-free material sets; molding compounds/die attach materials and nipdau plate - e4 te rmination finish, which is rohs compliant and compatible with both snpb and pb-free soldering operations. intersil pb-free produc ts are msl classified at pb-free peak reflow temperatures that meet or exceed the pb-free requirements of ipc/jedec j std-020. vdd iout 1 2 light data process current amplifier output current light intensity photodiode array 4 gnd en 6 pin descriptions pin number pin name description 1 vdd supply, 1.8v to 3.3v 2 gnd ground 3 nc no connect 4en active lo enable 5 nc no connect 6 iout current output 1 2 3 6 5 4 vdd gnd nc iout nc en *thermal pad can be connected to gnd or thermal pad* electrically isolated data sheet july 1, 2008
2 fn6484.0 july 1, 2008 absolute maxi mum ratings (t a = +25c) thermal information supply voltage between vdd and gnd . . . . . . . . . . . . . . . . . . 3.6v pin voltage (iout and en ) . . . . . . . . . . . . . . . . . . . . . -0.2v to v dd maximum continuous output current . . . . . . . . . . . . . . . . . . . . 6ma operating temperature . . . . . . . . . . . . . . . . . . . . . . .-40c to +85c esd rating human body model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2kv machine model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .200v thermal resistance ja (c/w) 6 ld odfn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 maximum die temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . +90c storage temperature . . . . . . . . . . . . . . . . . . . . . . . .-40c to +100c operating temperature . . . . . . . . . . . . . . . . . . . . . . .-40c to +85c pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below http://www.intersil.com/data/tb/tb477.pdf caution: do not operate at or near the maximum ratings listed fo r extended periods of time. exposure to such conditions may adv ersely impact product reliability and result in failures not covered by warranty. important note: all parameters having min/max specifications are guaranteed. typical values are for information purposes only. u nless otherwise noted, all tests are at the specified temperature and are pulsed tests, therefore: t j = t c = t a electrical specifications v dd = 3v, t a = +25c, en = 0, r l = 100k at iout pin, green led light, unless otherwise specified. parameter description condition min typ max unit e range of input light intensity 0.3 to 10k lux vdd power supply range 1.8 3.3 v i dd supply current e = 1000 lux 9 14 a e = 100 lux 3 a e = 0 lux 0.25 a i sd supply current when shut down en = v dd 250 350 na i out1 light-to-current accuracy e = 100 lux 1.8 a i out2 light-to-current accuracy e = 1000 lux 4.6 5.7 6.8 a i dark dark current output in the absence of light e = 0 lux, r l = 10m 25na i out output current variation over three light sources: fluorescent, incandescent and halogen 10 % v o-max iout max output compliance voltage at 95% of nominal output e = 1000 lux v dd - 0.2 v t r iout rise time (note 1) r l = 100k , e = 300 lux from 0 lux 70 s r l = 100k , e = 1000 lux from 0 lux 20 s t f iout fall time (note 1) r l = 100k , e = 300 lux to 0 lux 2410 s r l = 100k , e = 1000 lux to 0 lux 1290 s t d iout delay time for rising edge (note 1) r l = 100k , e = 300 lux from 0 lux 600 s r l = 100k , e = 1000 lux from 0 lux 280 s t s iout delay time for falling edge (note 1) r l = 100k , e = 300 lux to 0 lux 75 s r l = 100k , e = 1000 lux to 0 lux 5s v lo maximum voltage at en pin to enable 0.5 v v hi minimum voltage at en pin to disable v dd - 0.5 v i lo input current at en pin v en = 0v 1 na i hi input current at en pin v en = 3v 1 na isl29009
3 fn6484.0 july 1, 2008 t en enable time r l = 100k , e = 100 lux 20 s t dis disable time r l = 100k , e = 100 lux 200 s note: 1. switching time measurement is based on figures 1 and 2. electrical specifications v dd = 3v, t a = +25c, en = 0, r l = 100k at iout pin, green led light, unless otherwise specified. (continued) parameter description condition min typ max unit figure 1. test circuit for rise/fall time measurement figure 2. timing diagram isl29009 function generator v dd r l v out power supply or source meter input light output 10% 90% t r t f % 10% 90% t d t s typical performance curves figure 3. spectral response figure 4. spectrum of light sources figure 5. radiation pattern -0.2 0.0 0.2 0.4 0.6 0.8 1.0 1.2 400 600 800 1.0k wavelength (nm) normalized response light sensor response human eye response 0 0.2 0.4 0.6 0.8 1.0 1.2 300 400 500 600 700 800 900 1000 1100 wavelength (nm) normalized light intensity sun halogen incandescent wled fluorescent radiation pattern luminosity angle relative sensitivity 90 80 70 60 50 40 30 20 10 0 10 20 30 40 50 60 70 80 90 0.2 0.4 0.6 0.8 1.0 isl29009
4 fn6484.0 july 1, 2008 figure 6. output current vs light intensity figure 7. output current vs light intensity figure 8. output current vs light intensity figure 9. output current vs light intensity figure 10. transient time vs lux change from 0 lux figure 11. output current vs temperature at 0 lux typical performance curves (continued) 0.01 0.1 1 10 100 0.1 1 10 100 1000 10000 light intensity (lux) output current (a) halogen fluorescent incandescent 0 1 2 3 4 5 6 7 0 100 200 300 400 500 600 700 800 900 1000 light intensity (lux) output current (a) halogen fluorescent incandescent 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 0 102030405060708090100 light intensity (lux) output current (a) halogen fluorescent incandescent 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0246810 light intensity (lux) output current (a) 13579 halogen fluorescent incandescent 0.01 0.1 1 10 100 1000 1 10 100 1000 lux change from 0 lux (lux) transient time ( ms) fall time delay time before falling rise time delay time be fore rising -5 0 5 10 15 20 25 30 -50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 temperature (c) output current (na) 0.000 0.005 0.025 equivalent input light (lux) isl29009
5 fn6484.0 july 1, 2008 figure 12. supply current vs temperature at 0 lux figure 13. normalized output current vs temperature figure 14. supply current vs temperature figure 15. normalized output current vs supply voltage figure 16. supply current vs supply voltage figure 17. transient response of isl29009 to change in light intensity typical performance curves (continued) 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 -50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 temperature (c) supply current (a) 0.80 0.85 0.90 0.95 1.00 1.05 1.10 1.15 1.20 -50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 temperature (c) normalized output current fluorescent light vdd = 3v 300 lux 1000 lux 0 2 4 6 8 10 12 -50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 temperature (c) supply current (a) fluorescent light vdd = 3v 300 lux 1000 lux 0.990 0.995 1.000 1.005 1.010 1.5 2.0 2.5 3.0 3.5 4.0 supply voltage (v) normalized output current fluorescent light 1000 lux 8.0 8.1 8.2 8.3 8.4 8.5 8.6 1.5 2.0 2.5 3.0 3.5 4.0 supply voltage (v) supply current fluorescent light 1000 lux light intensity v dd = 3v, r l = 100k light intensity rises from 0 lux to 300 lux and falls from 300 lux to 0 lux with white led v out 0v isl29009
6 all intersil u.s. products are manufactured, asse mbled and tested utilizing iso9000 quality systems. intersil corporation?s quality certifications ca n be viewed at www.intersil.com/design/quality intersil products are sold by description only. intersil corpor ation reserves the right to make changes in circuit design, soft ware and/or specifications at any time without notice. accordingly, the reader is cautioned to verify that data sheets are current before placing orders. information furnishe d by intersil is believed to be accurate and reliable. however, no responsibility is assumed by intersil or its subsidiaries for its use; nor for any infringements of paten ts or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of intersil or its subsidiari es. for information regarding intersil corporation and its products, see www.intersil.com fn6484.0 july 1, 2008 application information light-to-current and voltage conversion the isl29009 has responsiveness that is a square-root function of the light intensity in tercepted by the photodiode in lux. because the photodiode has a responsivity that resembles the human eye, conversion rate is independent of the light source (fluorescent ligh t, incandescent light or direct sunlight). here, i out is the output current in a, and e is the input light in lux. a load resistor r l is added to convert i out into v out . the output voltage can be expressed in equation 2: here, v out is the output voltage and r l is the value of the load resistor added. the compliance of the isl29009's output circuit may result in premature saturation of the output current and voltage when an excessively large r l is used. the output compliance voltage is 200mv below the supply voltage as listed in v o-max of the ?electrical specifications? table on page 2. optical sensor location outline the green area in figure 18 shows the optical sensor location outline of isl29009. al ong the pin-out direction, the center line (cl) of the sensor coincides with that of the packaging. the sensor width in this direction is 0.39mm. perpendicular to the pin-out dire ction, the cl of the sensor has an 0.19mm offset from the cl of packaging away from pin-1. the sensor width in this direction is 0.46mm. i out 1.8 a 100lux ---------------------- - e = (eq. 1) v out i out r l 1.8 a 100lux ---------------------- - er l == (eq. 2) figure 18. 6 ld odfn sensor location outline 2.10mm 2.00mm 0.39mm 0.46mm 0.19mm sensor offset 29009 isl29009
7 fn6484.0 july 1, 2008 isl29009 package outline drawing l6.2x2.1 6 lead optical dual flat no-lead plastic package (odfn) rev 0, 9/06 located within the zone indicated. the pin #1 identifier may be unless otherwise specified, tolerance : decimal 0.05 tiebar shown (if present) is a non-functional feature. the configuration of the pin #1 identifier is optional, but must be between 0.15mm and 0.30mm from the terminal tip. dimension b applies to the metallized terminal and is measured dimensions in ( ) for reference only. dimensioning and tolerancing conform to amse y14.5m-1994. 6. either a mold or mark feature. 3. 5. 4. 2. dimensions are in millimeters. 1. notes: (4x) 0.10 index area pin 1 a 2.10 b 2.00 c seating plane base plane 0.08 0.10 see detail "x" c c 0 . 00 min. detail "x" 0 . 05 max. 0 . 2 ref c 5 side view typical recommended land pattern ( 6x 0 . 30 ) ( 6x 0 . 55 ) 6 top view (0 . 65) (1 . 95) (0 . 65) (1 . 35) bottom view 6x 0 . 35 0 . 05 b 0.10 ma c 1 1 . 35 1 . 30 ref index area pin 1 6 0.65 0 . 65 max 0.75 6x 0 . 30 0 . 05
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