pin connection (top view) 1. nc 2. anode 3. cathode 4. nc 5. gnd 6. v o 7. nc 8. v cc 1234 8765 ps8821-1 1. anode1 2. cathode1 3. cathode2 4. anode2 5. gnd 6. v o 2 7. v o 1 8. v cc ps8821-2 1234 8765 description the ps8821-1, -2 are optically coupled isolators containing a gaalas led on the light emitting diode (input side) and a pin photodiode and a high-speed amplifie r transistor on the output side on one chip. the ps8821-2 is suitable for high density applications. features ? 40% reduction of mounting area (5-pin sop 2) low power consumption (v cc = 3.3 v) high isolation voltage (bv = 2 500 vr.m.s.) high-speed response (t phl = 0.6 s max., t plh = 0.9 s max.) ordering number of tape product: ps8821-1-f3, f4: 1 500 pcs/reel : ps8821-2-f3, f4: 1 500 pcs/reel pb-free product applications power over ethernet computer and peripheral manufactures substitutions for relays and pulse transformers power supply data sheet the information in this document is subject to change without notice. before using this document, please confirm that this is the latest version. not all devices/types available in every country. please check with local nec compound semiconductor devices representative for availability and additional information. photocoupler ps8821-1,-2 1 mbps analog output type 8-pin ssop (so-8) high-speed photocoupler document no. pn10591ej01v0ds (1st edition) date published january 2006 cp(k) printed in japan ? nepoc series ? ? nec compound semiconductor devices, ltd. 2006
package dimensions (unit: mm) 1.27 0.4 +0.10 ?0.05 0.25 m 0.10.1 3.950.1 6.00.2 0.50.3 0.15 +0.10 ?0.05 5.210.25 3.270.2 0.10 s data sheet pn10591ej01v0ds 2 ps8821-1,-2
absolute maximum ratings (t a = 25c, unless otherwise specified) parameter symbol ratings unit diode forward current *1 i f 25 ma/ch reverse voltage v r 5.0 v/ch detector supply voltage v cc 7 v output voltage v o 7 v/ch output current i o 8.0 ma/ch power dissipation p c 10 mw/ch isolation voltage *2 bv 2 500 vr.m.s. operating ambient temperature t a ?55 to +100 c storage temperature t stg ?55 to +125 c *1 reduced to 0.63 ma/ c at t a = 85 c or more. *2 ac voltage for 1 minute at t a = 25c, rh = 60% between input and output. pins 1-4 shorted together, 5-8 shorted together. data sheet pn10591ej01v0ds 3 ps8821-1,-2
electrical characteristics (t a = 25c, unless otherwise specified) parameter symbol conditions min. typ. max. unit diode forward voltage v f i f = 16 ma 1.7 2.2 v reverse current i r v r = 3 v 10 a forward voltage temperature coefficient ? v f / ? t a i f = 16 ma ? 2.1 mv/ c terminal capacitance c t v = 0 v, f = 1 mhz 30 pf detector high level output current i oh i f = 0 ma, v cc = v o = 3.3 v 0.01 1 a low level output voltage v ol i f = 16 ma, v cc = 3.3 v, i ol = 2.4 ma 0.1 0.4 v high level supply current (ps8821-1) i cch i f = 0 ma, v o = open, v cc = 3.3 v 0.1 10 a high level supply current (ps8821-2) 0.2 20 low level supply current (ps8821-1) i ccl i f = 16 ma, v o = open, v cc = 3.3 v 100 low level supply current (ps8821-2) 200 coupled current transfer ratio ctr i f = 16 ma, v cc = 3.3 v, v o = 0.4 v 20 40 % input-output isolation resistance r i-o v i-o = 1 kv dc , rh = 40 to 60% 10 11 ? insulation resistance (input-input), (ps8821-2) r i-i v i-i = 5 v dc , rh = 40 to 60% 10 7 input-output isolation capacitance c i-o v = 0 v, f = 1 mhz 0.6 pf insulation capacitance (input-input), (ps8821-2) c i-i 0.3 propagation delay time (h l) *1 t phl i f = 10 ma, v cc = 3.3 v, r l = 1.8 k ? , c l = 15 pf, t a = 0 to 100c 0.3 0.6 s propagation delay time (l h) *1 t plh 0.5 0.9 common mode transient immunity at high level output *2 c mh i f = 0 ma, v cc = 3.3 v, r l = 4.1 k ? , v cm = 10 v 1 kv/ s common mode transient immunity at low level output *2 c ml i f = 16 ma, v cc = 3.3 v, r l = 4.1 k ? , v cm = 10 v 1 data sheet pn10591ej01v0ds 4 ps8821-1,-2
*1 test circuit for propagation delay time input output 50% 1.5 v v ol t phl t plh pulse input (i f ) (pw = 1 s, duty cycle = 1/10) v o (monitor) v cc input (monitor) 0.1 f c l = 15 pf 47 ? r l ps8821-1 pulse input (i f ) (pw = 1 s, duty cycle = 1/10) v o (monitor) v cc input (monitor) 0.1 f c l = 15 pf 47 ? r l ps8821-2 remark c l is approximately 15 pf which includes probe and stray wiring capacitance. *2 test circuit for common mode transient immunity v o (monitor) v cc 0.1 f r l = 4.1 k ? ps8821-1 v cm c l = 15 pf i f v o (monitor) v cc 0.1 f r l = 4.1 k ? ps8821-2 v cm sw c l = 15 pf 90% 10% 0 v v oh 2 v 0.8 v v ol v cm v o (i f = 0 ma) v o (i f = 16 ma) t r t f usage cautions 1. this product is weak for static electricity by designed with high-speed integrated circui t so protect against static electricity when handling. 2. by-pass capacitor of 0.1 f is used between v cc and gnd near device. also, ensur e that the distance between the leads of the photocoupler and capacitor is no more than 10 mm. 3. avoid storage at a high te mperature and high humidity. data sheet pn10591ej01v0ds 5 ps8821-1,-2
when the product(s) listed in this document is subject to any applicable import or export control laws and regulation of the au thority having competent jurisdiction, such product(s) shall not be imported or exported without obtaining the import or export license . m8e 00. 4 - 0110 the information in this document is current as of january, 2006. the information is subject to change without notice. for actual design-in, refer to the latest publications of nec's data sheets or data books, etc., for the most up-to-date specifications of nec semiconductor products. not all products and/or types are available in every country. please check with an nec sales representative for availability and additional information. no part of this document may be copied or reproduced in any form or by any means without prior written consent of nec. nec assumes no responsibility for any errors that may appear in this document. nec does not assume any liability for infringement of patents, copyrights or other intellectual property rights of third parties by or arising from the use of nec semiconductor products listed in this document or any other liability arising from the use of such products. no license, express, implied or otherwise, is granted under any patents, copyrights or other intellectual property rights of nec or others. descriptions of circuits, software and other related information in this document are provided for illustrative purposes in semiconductor product operation and application examples. the incorporation of these circuits, software and information in the design of customer's equipment shall be done under the full responsibility of customer. nec assumes no responsibility for any losses incurred by customers or third parties arising from the use of these circuits, software and information. while nec endeavours to enhance the quality, reliability and safety of nec semiconductor products, customers agree and acknowledge that the possibility of defects thereof cannot be eliminated entirely. to minimize risks of damage to property or injury (including death) to persons arising from defects in nec semiconductor products, customers must incorporate sufficient safety measures in their design, such as redundancy, fire-containment, and anti-failure features. nec semiconductor products are classified into the following three quality grades: "standard", "special" and "specific". the "specific" quality grade applies only to semiconductor products developed based on a customer-designated "quality assurance program" for a specific application. the recommended applications of a semiconductor product depend on its quality grade, as indicated below. customers must check the quality grade of each semiconductor product be fore using it in a particular application. "standard": computers, office equipment, communications equipment, test and measurement equipment, audio and visual equipment, home electronic appliances, machine tools, personal electronic equipment and industrial robots "special": transportation equipment (automobiles, trains, ships, etc.), traffic control systems, anti-disaster systems, anti-crime systems, safety equipment and medical equipment (not specifically designed for life support) "specific": aircraft, aerospace equipment, submersible repeaters, nuclear reactor control systems, life support systems and medical equipment for life support, etc. the quality grade of nec semiconductor products is "standard" unless otherwise expressly specified in nec's data sheets or data books, etc. if customers wish to use nec semiconductor products in applications not intended by nec, they must contact an nec sales representative in advance to determine nec's willingness to support a given application. (note) (1) "nec" as used in this statement means nec corporation, nec compound semiconductor devices, ltd. and also includes its majority-owned subsidiaries. (2) "nec semiconductor products" means any semiconductor product developed or manufactured by or for nec (as defined above). ? ? ? ? ? ? data sheet pn10591ej01v0ds 6 ps8821-1,-2
caution gaas products this product uses gallium arsenide (gaas). gaas vapor and powder are hazardous to human health if inhaled or ingested, so please observe the following points. follow related laws and ordinances when disposi ng of the product. if there are no applicable laws and/or ordinances, dispose of the product as recommended below. 1. commission a disposal company able to (with a license to) collect, tran sport and dispose of materials that contain arsenic and ot her such industrial waste materials. 2. exclude the product from general industrial waste and household garbage, and ensure that the product is controlled (as industrial waste subjec t to special control) up until final disposal. do not burn, destroy, cut, crush, or chemically dissolve the product. do not lick the product or in any way allow it to enter the mouth. nec compound semiconductor devices hong kong limited e-mail: ncsd-hk@elhk.nec.com.hk (sales, technical and general) hong kong head office taipei branch office korea branch office tel: +852-3107-7303 tel: +886-2-8712-0478 tel: +82-2-558-2120 fax: +852-3107-7309 fax: +886-2-2545-3859 fax: +82-2-558-5209 nec electronics (europe) gmbh http://www.ee.nec.de/ tel: +49-211-6503-0 fax: +49-211-6503-1327 california eastern laboratories, inc. http://www.cel.com/ tel: +1-408-988-3500 fax: +1-408-988-0279 0504 nec compound semiconductor devices, ltd. http://www.ncsd.necel.com/ e-mail: salesinfo@ml.ncsd.necel.com (sales and general) techinfo@ml.ncsd.necel.com (technical) sales division tel: +81-44-435-1573 fax: +81-44-435-1579 for further information, please contact ps8821-1,-2
|
