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TSL250R, tsl251r, tsl252r light-to-voltage optical sensors taos028h ? september 2007 1 the lumenology company copyright 2007, taos inc. www.taosinc.com monolithic silicon ic containing photodiode, operational amplifier, and feedback components converts light intensity to a voltage high irradiance responsivity, typically 137 mv/( w/cm 2 ) at p = 635 nm (TSL250R) compact 3-lead clear plastic package single voltage supply operation low dark (offset) voltage....10 mv max low supply current......1.1 ma typical wide supply-voltage range.... 2.7 v to 5.5 v replacements for tsl250, tsl251, and tsl252 rohs compliant (? lf package only) description the TSL250R, tsl251r, and tsl252r are light-to-voltage optical sensors, each combining a photodiode and a transimpedance amplifier (feedback resistor = 16 m , 8 m , and 2.8 m respectively) on a single monolithic ic. output voltage is directly proportional to the light intensity (irradiance) on the photodiode. these devices have improved amplifier offset-voltage stability and low power consumption and are supplied in a 3-lead clear plastic sidelooker package with an integral lens. when supplied in the lead (pb) free package, the device is rohs compliant. functional block diagram voltage output + ? available options device t a package ? leads package designator ordering number TSL250R 0 c to 70 c 3-lead sidelooker s TSL250R TSL250R 0 c to 70 c 3-lead sidelooker ? lead (pb) free s TSL250R ? lf TSL250R 0 c to 70 c 3-lead surface-mount sidelooker ? lead (pb) free sm TSL250Rsm ? lf tsl251r 0 c to 70 c 3-lead sidelooker s tsl251r tsl251r 0 c to 70 c 3-lead sidelooker ? lead (pb) free s tsl251r ? lf tsl251r 0 c to 70 c 3-lead surface-mount sidelooker ? lead (pb) free sm tsl251rsm ? lf tsl252r 0 c to 70 c 3-lead sidelooker s tsl252r tsl252r 0 c to 70 c 3-lead sidelooker ? lead (pb) free s tsl252r ? lf tsl252r 0 c to 70 c 3-lead surface-mount sidelooker ? lead (pb) free sm tsl252rsm ? lf texas advanced optoelectronic solutions inc. 1001 klein road suite 300 plano, tx 75074 (972) 673-0759 package s sidelooker (front view) 1 gnd 2 v dd 3 out package sm surface mount sidelooker (front view) 1 gnd 2 v dd 3 out ams ag technical content still valid
TSL250R, tsl251r, tsl252r light-to-voltage optical sensors taos028h ? september 2007 2 copyright 2007, taos inc. the lumenology company www.taosinc.com terminal functions terminal description name no. description gnd 1 ground (substrate). all voltages are referenced to gnd. out 3 output voltage v dd 2 supply voltage absolute maximum ratings over operating free-air temperature range (unless otherwise noted) ? supply voltage, v dd (see note 1) 6 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . output current, i o 10 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . duration of short-circuit current at (or below) 25 c (see note 2) 5 s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . operating free-air temperature range, t a ? 25 c to 85 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . storage temperature range, t stg ? 25 c to 85 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . lead temperature 1,6 mm (1/16 inch) from case for 10 seconds (s package) 260 c . . . . . . . . . . . . . . . . . . . . reflow solder, in accordance with j-std-020c or j-std-020d (sm package) 260 c . . . . . . . . . . . . . . . . . . . ? stresses beyond those listed under ?absolute maximum ratings? may cause permanent damage to the device. these are stress ratings only, a nd functional operation of the device at these or any other conditions beyond those indicated under ?recommended operating conditions? is not implied. exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. notes: 1. all voltages are with respect to gnd. 2. output may be shorted to supply. recommended operating conditions min nom max unit supply voltage, v dd 2.7 5.5 v operating free-air temperature, t a 0 70 c ams ag technical content still valid
TSL250R, tsl251r, tsl252r light-to-voltage optical sensors taos028h ? september 2007 3 the lumenology company copyright 2007, taos inc. www.taosinc.com electrical characteristics at v dd = 5 v, t a = 25 c, p = 635 nm, r l = 10 k (unless otherwise noted) (see notes 3, 4, and 5) parameter test TSL250R tsl251r tsl252r unit parameter test conditions min typ max min typ max min typ max unit v d dark voltage e e = 0 0 4 10 0 4 10 0 4 10 mv v om maximum output voltage v dd = 4.5 v 3.0 3.3 3.0 3.3 3.0 3.3 v e e = 14.6 w/cm 2 1.5 2 2.5 v o output voltage e e = 38.5 w/cm 2 1.5 2 2.5 v v o output voltage e e = 196 w/cm 2 1.5 2 2.5 v e e = 14.6 w/cm 2 , 1.6 mv/ c temperature e e = 14 . 6 w/cm , t a = 0 c to 70 c 0.08 %/ c t emperature coefficient of e e = 38.5 w/cm 2 , 1.6 mv/ c vo coefficient of output voltage (v ) e e = 38 . 5 w/cm , t a = 0 c to 70 c 0.08 %/ c pg (v o ) e e = 196 w/cm 2 , 1.6 mv/ c e e = 196 w/cm , t a = 0 c to 70 c 0.08 %/ c n irradiance p = 635 nm, see notes 5 and 7 137 52 10.2 mv/( w/cm 2 ) n e irradiance responsivity p = 880 nm, see notes 6 and 7 127 48 9.4 mv/( w/cm 2 ) e e = 14.6 w/cm 2 1.1 1.7 i dd supply current e e = 38.5 w/cm 2 1.1 1.7 ma dd pp y e e = 196 w/cm 2 1.1 1.7 notes: 3. measurements are made with r l = 10 k between output and ground. 4. optical measurements are made using small-angle incident radiation from an led optical source. 5. the input irradiance e e is supplied by an al i ngap led with peak wavelength p = 635 nm 6. the input irradiance e e is supplied by a gaalas led with peak wavelength p = 880 nm 7. irradiance responsivity is characterized over the range v o = 0.05 to 2.9 v. the best-fit straight line of output voltage v o versus irradiance e e over this range will typically have a positive extrapolated v o value for e e = 0. dynamic characteristics at t a = 25 c (see figure 1) parameter test conditions TSL250R tsl251r tsl252r unit parameter test conditions min typ max min typ max min typ max unit t r output pulse rise time v dd = 5 v, p = 635 nm 260 70 7 s t f output pulse fall time v dd = 5 v, p = 635 nm 260 70 7 s v n output noise voltage v dd = 5 v, f = 1000 hz e e = 0, 0.8 0.7 0.6 v/ hz ams ag technical content still valid
TSL250R, tsl251r, tsl252r light-to-voltage optical sensors taos028h ? september 2007 4 copyright 2007, taos inc. the lumenology company www.taosinc.com parameter measurement information voltage waveform test circuit input e e 10% 90% output (see note b) t r tsl25xr r l v dd 2 1 3 + ? output pulse generator led (see note a) t f 90% 10% notes: a. the input irradiance is supplied by a pulsed al i ngap light-emitting diode with the following characteristics: p = 635 nm, t r < 1 s, t f < 1 s. b. the output waveform is monitored on an oscilloscope with the following characteristics: t r < 100 ns, z i 1 m , c i 20 pf. figure 1. switching times typical characteristics 0.4 0 normalized output voltage 1 0.8 0.6 0.2 ? angular displacement TSL250R 80 60 40 20 0 80 60 40 20 optical axis normalized output voltage vs angular displacement v ? o figure 2 tsl252r tsl251r ams ag technical content still valid
TSL250R, tsl251r, tsl252r light-to-voltage optical sensors taos028h ? september 2007 5 the lumenology company copyright 2007, taos inc. www.taosinc.com typical characteristics 0.01 0.1 1 10 100 ? output voltage ? v output voltage vs irradiance 0.1 1 10 o v e e ? irradiance ? w/cm 2 v dd = 5 v p = 635 nm r l = 10 k t a = 25 c figure 3 TSL250R tsl251r tsl252r figure 4 300 400 500 600 700 1000 800 900 1100 ? wavelength ? nm relative responsivity 0 0.2 0.4 0.6 0.8 1.0 1.2 photodiode spectral responsivity t a = 25 c figure 5 4 2 1 0 5.5 2.5 3 3.5 5 maximum output voltage vs supply voltage 4 4.5 5 ? maximum output voltage ? v v om 3 v dd ? supply voltage ? v r l = 10 k t a = 25 c figure 6 1 0.6 012 3 1.6 4 1.4 1.2 0.8 v o ? output voltage ? v ? supply current ? ma i dd supply current vs output voltage v dd = 5 v r l = 10 k t a = 25 c ams ag technical content still valid
TSL250R, tsl251r, tsl252r light-to-voltage optical sensors taos028h ? september 2007 6 copyright 2007, taos inc. the lumenology company www.taosinc.com application information pcb pad layout suggested pcb pad layout guidelines for the sm surface mount package are shown in figure 7. 3.2 1.0 1.0 1.0 1.0 1.0 notes: a. all linear dimensions are in millimeters. b. this drawing is subject to change without notice. figure 7. suggested sm package pcb layout ams ag technical content still valid
TSL250R, tsl251r, tsl252r light-to-voltage optical sensors taos028h ? september 2007 7 the lumenology company copyright 2007, taos inc. www.taosinc.com mechanical information the devices are supplied in a clear plastic three-lead package (s). the integrated photodiode active area is typically 1,0 mm 2 (0.0016 in 2 ) for TSL250R, 0,5 mm 2 (0.00078 in 2 ) for the tsl251r, and 0,26 mm 2 (0.0004 in 2 ) for the tsl252r. package s plastic single-in-line side-looker package 1.64 2.60 2.30 4.60 r 0.90 1.80 0.42 1 2 2 0.47 typ top view side view front view 0.42 1.56 14.86 0.50 4.60 0.15 note b lead free available pb notes: a. all linear dimensions are in millimeters; tolerance is 0.25 mm unless otherwise stated. b. dimension is to center of lens arc, which is located below the package face. c. the integrated photodiode active area is typically located in the center of the lens and 0.97 mm below the top of the lens su rface. d. index of refraction of clear plastic is 1.55. e. lead finish for tsl25xr: solder dipped, 63% sn/37% pb. lead finish for tsl25xr ? lf: solder dipped, 100% sn. f. this drawing is subject to change without notice. figure 8. package configuration ams ag technical content still valid
TSL250R, tsl251r, tsl252r light-to-voltage optical sensors taos028h ? september 2007 8 copyright 2007, taos inc. the lumenology company www.taosinc.com mechanical data package sm plastic surface mount side-looker package 1.64 2.60 2.30 4.60 r 0.90 1.80 0.42 1.00 0.47 typ top view side view front view 0.42 5.73 0.50 4.60 0.15 note b 2.59 0.62 0.10 1.97 0.62 +0.10 ? 0.15 lead free pb 2 2 notes: a. all linear dimensions are in millimeters; tolerance is 0.25 mm unless otherwise stated. b. dimension is to center of lens arc, which is located below the package face. c. the integrated photodiode active area is typically located in the center of the lens and 0.97 mm below the top of the lens su rface. d. index of refraction of clear plastic is 1.55. e. lead finish for tsl25xrsm ? lf: solder dipped, 100% sn. f. this drawing is subject to change without notice. figure 9. package sm ? surface mount side-looker package configuration ams ag technical content still valid
TSL250R, tsl251r, tsl252r light-to-voltage optical sensors taos028h ? september 2007 9 the lumenology company copyright 2007, taos inc. www.taosinc.com production data ? information in this document is current at publication date. products conform to specifications in accordance with the terms of texas advanced optoelectronic solutions, inc. standard warranty. production processing does not necessarily include testing of all parameters. lead-free (pb-free) and green statement pb-free (rohs) taos? terms lead-free or pb-free mean semiconductor products that are compatible with the current rohs requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. where designed to be soldered at high temperatures, taos pb-free products are suitable for use in specified lead-free processes. green (rohs & no sb/br) taos defines green to mean pb-free (rohs compatible), and free of bromine (br) and antimony (sb) based flame retardants (br or sb do not exceed 0.1% by weight in homogeneous material). important information and disclaimer the information provided in this statement represents taos? knowledge and belief as of the date that it is provided. taos bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. efforts are underway to better integrate information from third parties. taos has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. taos and taos suppliers consider certain information to be proprietary, and thus cas numbers and other limited information may not be available for release. notice texas advanced optoelectronic solutions, inc. (t aos) reserves the right to make changes to the products contained in this document to improve performance or for any other purpose, or to discontinue them without notice. customers are advised to contact taos to obtain the latest product information before placing orders or designing taos products into systems. taos assumes no responsibility for the use of any products or circuits described in this document or customer product design, conveys no license, either expressed or implied, under any patent or other right, and makes no representation that the circuits are free of patent infringement. taos further makes no claim as to the suitability of its products for any particu lar purpose, nor does taos assume any liability arising out of the use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. texas advanced optoelectronic solutions, inc. products are not designed or intended for use in critical applications in which the failure or malfunction of the taos product may result in personal injury or death. use of taos products in life support systems is expressly unauthorized and any such use by a customer is completely at the customer?s risk. lumenology, taos, the taos logo, and texas advanced optoelectronic solutions are registered trademarks of texas advanced optoelectronic solutions incorporated. ams ag technical content still valid
TSL250R, tsl251r, tsl252r light-to-voltage optical sensors taos028h ? september 2007 10 copyright 2007, taos inc. the lumenology company www.taosinc.com ams ag technical content still valid

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