tps841(f),tps843(f) 2007-10-01 1 toshiba photo-ic s ilicon epitaxial planar tps841(f),tps843(f) photoelectric switches copiers, printers, and facsimiles vending machines handy terminals the tps841(f) and tps843(f) represent a si photo ic of digital output type that integrates a photodiode, amplifier circuit, and schmitt trigger circuit into a single chip. these devices are low voltag e drive types, and they allow construction of low voltage systems which thus consume less power. these devices respond faster than the phototransistor type. they ou tput a high when light is input. ? compact side-view epoxy resin package ? operates over a wide supply voltage range : v cc = 2.7 to 15 v ? high speed response : t plh = 9 s, t phl = 15 s (max) ? high sensitivity: 0.3 mw/cm 2 (max) ? can be directly connected to ttl and cmos. ? digital output : tps841(f) ?. open collector tps843(f) ?. with a pull-up resistor absolute maximum ratings (ta = 25c) characteristics symbol rating unit supply voltage v cc 15 v tps841(f) 15 output voltage tps843(f) v o =v cc v output current i o 16 ma output current derating (ta > 25c) i o /c ?0.213 ma/c power dissipation p 250 mw power dissipation derating (ta > 25c) p/c ?3.33 mw/c operating temperature range t opr ? 30 to 95 c storage temperature range t stg ? 40 to 100 c soldering temperature (5s) (note 1) t sol 260 c note: using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even if the operating conditions (i.e. operat ing temperature/current/voltage, etc. ) are within the absolute maximum ratings and the operating ranges. please design the appropriate reliability upon reviewing the toshiba semiconductor reliability handbook (?handling precautions?/?derating concept and methods?) and individual reliability data (i.e. reliability test report and estimated failure rate, etc). note 1: at the location of 1.3 mm from the resin package bottom. unit: mm toshiba 0-3h1 weight: 0.12 g (typ.)
tps841(f),tps843(f) 2007-10-01 2 pin connection opto-electrical characteristics (ta = ? 30 to 95c, v cc = 2.7 to 15 v, typical values are all at 25c.) characteristics symbol test condition min typ. max unit supply voltage v cc ? 2.7 ? 15 v high level supply current i cch e = 2 mw/cm 2 (note 2) ? 0.5 1.2 ma tps841(f) ? 0.9 2 low level supply current tps843(f) i ccl e = 0 ? 2.9 4 ma high level output current tps841(f) i oh e = 2 mw/cm 2 (note 2) v o = 15 v ? ? 6.3 a high level output voltage tps843(f) v oh e = 2 mw/cm 2 (note 2) 0.9 * v cc ? ? v low level output voltage v ol i ol = 16 ma, e = 0 ? 0.07 0.4 v ta = 25c ? 0.2 0.3 ?l h? threshold radiant incidence e lh ? ? ? 0.6 mw/ cm 2 hysteresis ratio e hl /e lh ta = 25c 0.5 0.65 0.9 ? peak sensitivity wavelength p ? ? 900 ? nm ?l h? t plh ? ? 9 propagation delay time ?h l? t phl ? ? 15 rise time t r ? 0.02 0.5 switching time fall time t f ta = 25c v cc = 3.3 v e = 2 mw/cm 2 r l = 10 k (note 3) ? 0.8 3 s note 2: cie standard light source a (standar d tungsten bulb) with color temperature = 2856 k. tps841(f) tps843(f)
tps841(f),tps843(f) 2007-10-01 3 note 3: switching time measurement circuit and waveform. tps841(f) tps843(f) precautions ? when you consider a combined use with an led, be sure to use an infrared led. visible rays in wavelength of less than 700 nm cannot be detected. ? make sure the shielding plate that is used to detect positions is manufactured from materials with superior light-shielding characteristics. insu fficient shield can cause malfunction. ? photo ics contain a high-sensitivity amplifier. toshiba recommends connecting a capacitor of about 0.01 f that has good high-frequency characteristics between v cc and gnd near the device to prevent unwanted oscillation. ? please install so that disturbance light is not irradiated by these products. when disturbance light (incandescence light etc.) 700 nm or more is detected, it may incorrect-operate. please perform sufficient evaluation and verification by set. ? during 100 s after turning on v cc , output voltage changes for stabilizing the inner circuit. (tps841(f)) (tps843(f))
tps841(f),tps843(f) 2007-10-01 4 1 ? 40 10 100 0 100 ? 20 40 60 20 1000 v cc = 3.3 v i ol = 16 ma 8 ma 5 ma 1 ma 80 p ? ta i o ? ta v ol ? i ol (typ.) v ol ? ta (typ.) relative e lh , e hl ? v cc (typ.) ambient temperature ta (c) ambient temperature ta (c) low level output current i ol (ma) ambient temperature ta (c) supply voltage v cc (v) allowable output current i o (ma) allowable power dissipation p (mw) low level output voltage v ol (mv) low level output voltage v ol (v) relative threshold radiant incidence 0 ? 20 150 100 20 200 250 0 60 80 40 50 100 300 0 ? 20 12 100 20 16 0 60 80 40 4 8 20 0.01 1 0.1 100 10 1 v cc = 3.3v ta = 25c 0 0 0.6 20 8 1.0 4 16 12 1.4 e hl e lh ta = 25c 1.2 0.8 0.4 0.2 relative e lh , e hl ? ta (typ.) ambient temperature ta (c) relative threshold radiant incidence 0 ? 40 0.6 120 20 1.0 0 80 40 1.8 e hl e lh v cc = 3.3 v 1.4 0.8 0.4 0.2 1.6 1.2 ? 20 100 60
tps841(f),tps843(f) 2007-10-01 5 t plh , t phl ? e/e lh (typ.) directional sensitiv ity characteristic (typ.) threshold radiant incidence ratio e/e lh relative sensitivity propagation delay time t plh , t phl ( s) 0 1 4 100 6 10 10 t plh v cc = 3.3 v r l = 10 k ta = 25c 8 5 3 2 9 7 1 t phl spectral response (typ.) wavelength (nm) relative sensitivity t r , t f ? r l (typ.) load resistance r l (k ) rise and fall time t r , r f ( s) 0.01 0.1 1 10 v cc = 3.3 v ta = 25c e = 2 mw/cm 2 0.1 1 t f 10 t r 100
tps841(f),tps843(f) 2007-10-01 6 restrictions on product use ? toshiba corporation, and its subsidiaries and affiliates (collect ively ?toshiba?), reserve the right to make changes to the in formation in this document, and related hardware, software a nd systems (collectively ?product?) without notice. ? this document and any information herein may not be reproduc ed without prior written permission from toshiba. even with toshiba?s written permission, reproduc tion is permissible only if reproducti on is without alteration/omission. ? though toshiba works continually to improve product?s quality and reliability, product can malfunction or fail. customers are responsible for complying with safety standards and for prov iding adequate designs and safeguards for their hardware, software and systems which minimize risk and avoid situations in which a ma lfunction or failure of product could cause loss of human life, b odily injury or damage to property, including data loss or corruption. before creating and producing des igns and using, customers mus t also refer to and comply with (a) the latest versions of all re levant toshiba information, including without limitation, this d ocument, the specifications, the data sheets and applic ation notes for product and the precautions and conditions set forth in the ?tosh iba semiconductor reliability handbook? and (b) t he instructions for the application that product will be used with or for. custome rs are solely responsible for all aspects of t heir own product design or applications, incl uding but not limited to (a) determining th e appropriateness of the use of this product in such design or applications; (b) evaluating and det ermining the applicability of any information contained in this document, or in charts, diagrams, programs, algorithms, sample application circuits, or any other referenced documents; and (c) validating all operating parameters for such designs and applications. toshiba assumes no liability for customers? product design or applications. ? product is intended for use in general el ectronics applications (e.g., computers, personal equipment, office equipment, measur ing equipment, industrial robots and home electroni cs appliances) or for specif ic applications as expre ssly stated in this document . product is neither intended nor warranted for use in equipment or systems that require extraordinarily high levels of quality a nd/or reliability and/or a malfunction or failure of which may cause loss of human life, bodily injury, serious property damage or se rious public impact (?unintended use?). unintended use includes, without limitation, equipment used in nuclear facilities, equipment used in the aerospace industry, medical equipment, equipment used for automobiles, trains, ships and other transportation, traffic s ignaling equipment, equipment used to control combustions or explosions, safety dev ices, elevators and escalato rs, devices related to el ectric power, and equipment used in finance-related fields. do not use product for unintended use unless specifically permitted in thi s document. ? do not disassemble, analyze, reverse-engineer, alter, modify, translate or copy product, whether in whole or in part. ? product shall not be used for or incorporated into any products or systems whose manufacture, use, or sale is prohibited under any applicable laws or regulations. ? the information contained herein is pres ented only as guidance for product use. no re sponsibility is assumed by toshiba for an y infringement of patents or any other intellectual property rights of third parties that may result from the use of product. no license to any intellectual property right is granted by this document, whether express or implied, by estoppel or otherwise. ? a bsent a written signed agreement, except as provid ed in the relevant terms and conditions of sale for product, and to the maximum extent allowable by law, toshiba (1) assumes no liability whatsoever, including without limitation, indirect, co nsequential, special, or incidental damages or loss, including without limitation, loss of profit s, loss of opportunities, business interruption and loss of data, and (2) disclaims any and all express or implied warranties and conditions related to sale, use of product, or information, including warranties or conditions of merchantability, fitness for a particular purpose, accuracy of information, or noninfringement. ? do not use or otherwise make available product or related so ftware or technology for any military purposes, including without limitation, for the design, development, use, stockpiling or m anufacturing of nuclear, chemical , or biological weapons or missi le technology products (mass destruction w eapons). product and related software and technology may be controlled under the japanese foreign exchange and foreign trade law and the u.s. expor t administration regulations. ex port and re-export of product or related software or technology are strictly prohibited exc ept in compliance with all applicable export laws and regulations. ? please contact your toshiba sales representative for details as to environmental matters such as the rohs compatibility of pro duct. please use product in compliance with all applicable laws and regula tions that regulate the inclusion or use of controlled subs tances, including without limitation, the eu rohs directive. toshiba assumes no liability for damages or losses occurring as a result o f noncompliance with applicable laws and regulations.
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