1/10 n 2.50v typ. output voltage n ultra low current consumption: 40 m a typ. n high precision @ 25c 2% (standard version) 1% (a grade) n high stability when used with capacitice load n industrial temperature range: -40 to +85c n 100ppm/c maximum temperature coefficient description the ts822 is a low power shunt voltage reference providing a stable 2.5v output voltage over the in- dustrial temperature range (-40 to +85c). avail- abe in sot23-3 surface mount package, it can be designed in applications where space saving is a critical issue. the low operating current is a key advantage for power restricted designs. in addition, the ts822 is very stable and can be used in a broad range of application conditions. application n computers n instrumentation n battery chargers n switch mode power supply n battery operated equipments order code z = to92 plastic package - also available in bulk (z), tape & reel (zt) and ammo pack (ap) lt = tiny package (sot23-3) - only available in tape & reel (lt) pin connections (top view) precision to92 sot23-3 sot23 marking 2% ts822iz ts822il l223 1% ts822aiz ts822ail l222 single temperature range: -40 to +85c z to-92 (plastic package) l sot23-3l (plastic micropackage) ts822 2.5v micropower shunt voltage reference march 2002
ts822 2/10 absolute maximum ratings operating conditions symbol parameter value unit i k reverse breakdown current 20 ma i f forward current 10 ma p d power dissipation 1) sot23-3 to-92 360 625 mw t std storage temperature -65 to +150 c esd human body model (hbm) 2 kv machine model (mm) 200 v t lead lead temperature (soldering, 10 seconds) 260 c 1. pd has been calculated with tamb = 25c and rthja = 200c/w for the to92 package rthja = 340c/w for the sto23-3l package symbol parameter value unit i kmin minimum operating current 50 m a i kmax maximum operating current 15 ma t oper operating free air temperature range -40 to +85 c
ts822 3/10 electrical characteristics ts822 (2% precision) tamb = 25c (unless otherwise specified) electrical characteristics ts822a (1% precision) tamb = 25c (unless otherwise specified) note : limits are 100% production tested at 25c. limits over temperature are guaranteed through correlation and by design. symbol parameter test condition min. typ. max. unit vk reverse breakdown voltage ik = 100 m a 2.45 2.5 2.55 v reverse breakdown voltage tolerange ik = 100 m a -40c < t < +85c -50 -66 50 66 mv ikmin minimum operating current t = 25c 40 50 m a -40c < t < +85c 60 d vref/ d t average temperature coefficient ik = 100 m a 30 100 ppm/c d vk/ d ik reverse breakdown voltage change with operating current range ikmin < ik < 1ma -40c < t < +85c 0.4 1 1.2 mv 1ma < ik < 15ma -40c < t < +85c 2.5 8 10 rka reverse static impedance ik = ikmin to 1ma -40c < t < +85c 0.4 1 1.2 w ik = 1 to 15ma -40c < t < +85c 0.2 0.6 0.7 kvh long term stability ik = 100 m a, t = 1000hrs 120 ppm en wide band noise ik = 100 m a 10hz < f < 10khz 35 m vrms note : limits are 100% production tested at 25c. limits over temperature are guaranteed through correlation and by design. symbol parameter test condition min. typ. max. unit vk reverse breakdown voltage ik = 100 m a 2.475 2.5 2.525 v reverse breakdown voltage tolerange ik = 100 m a -40c < t < +85c -25 -41 25 41 mv ikmin minimum operating current t = 25c 40 50 m a -40c < t < +85c 60 d vref/ d t average temperature coefficient ik = 100 m a 30 100 ppm/c d vk/ d ik reverse breakdown voltage change with operating current range ikmin < ik < 1ma -40c < t < +85c 0.4 1 1.2 mv 1ma < ik < 15ma -40c < t < +85c 2.5 8 10 rka reverse static impedance ik = ikmin to 1ma -40c < t < +85c 0.4 1 1.2 w ik = 1ma to 15ma -40c < t < +85c 0.2 0.6 0.7 kvh long term stability ik = 100 m a, t = 1000hrs 120 ppm en wide band noise ik = 100 m a 10hz < f < 10khz 35 m vrms
ts822 4/10 reference voltage versus cathode current -0.5 0 0.5 1 1.5 2 2.5 cathode voltage (v) -5 0 5 10 15 cathode current (ma) test circuit vi n ik=(vin-vref)/r vout=vref r static impedance (rka) versus temperature -40 -20 0 20 40 60 80 temperature (c) 0 0.05 0.1 0.15 0.2 static impedance (ohms) minimum operating current 02040 cathode current (a) 0 0.5 1 1.5 2 2.5 3 cathode voltage (v) t=+85c t=-40c t=+25c reference voltage versus temperature -40 -20 0 20 40 60 80 temperature (c) 2.44 2.46 2.48 2.5 2.52 2.54 2.56 cathode voltage (v) +2% -2% -1% +1% noise voltage versus frequency 0.1 1.0 10.0 100.0 1000.0 frequency (khz) 0 500 1000 1500 noise voltage (nv/vhz) c l =10f c l =0 c l =100f c l =100nf c l =1f
ts822 5/10 ik=100a output 25k ohm pulse generator intput test circuit for pulse response at ik=100a pulse response for ik=100a detailed part 00.5 11.52 time (s) 0v 5v 2.5v 0v input output ik=1ma output pulse generator intput test circuit for pulse response at ik=1ma 2.5k ohm pulse response for ik=100a 0 5 0 2.5 0 5 10 15 20 time (s) input output pulse response for ik=100a detailed part 012345 time (s) 0v 5v 0v 2.5v input output pulse response for ik=1ma 0v 5v 0v 2.5v 012345 time (s) input output
ts822 6/10 pulse response for ik=1ma detailed part 0v 5v 2.5 v 0v 0 50 100 150 200 time (ns) input output pulse response for ik=1ma detailed part 0v 5v 0v 2.5v 0 0.2 0.4 0.6 0.8 1 time (s) input output
ts822 7/10 package mechanical data 3 pins - plastic package to92 (tape & reel) dim. millimeters inches min typ. max. min. typ. max. al 5.0 0.197 a 5.0 0.197 t 4.0 0.157 d 0.45 0.018 i1 2.5 0.098 p 11.7 12.7 13.7 0.461 0.500 0.539 po 12.4 12.7 13 0.488 0.500 0.512 p2 5.95 6.35 6.75 0.234 0.250 0.266 f1/f2 2.4 2.5 2.8 0.094 0.098 0.110 d h -1 0 1 -0.039 0 0.039 d p -1 0 1 -0.039 0 0.039 w 17.5 18.0 19.0 0.689 0.709 0.748 w0 5.7 6 6.3 0.224 0.236 0.248 w1 8.5 9 9.75 0.335 0.354 0.384 w2 0.5 0.020 h 20 0.787 h0 15.5 16 16.5 0.610 0.630 0.650 h1 25 0.984 do 3.8 4.0 4.2 0.150 0.157 0.165 l1 11 0.433 a1 p p a t h h1 h l1 d i1 h0 w2 w0 w1 w d0 f1 f2 p2 p0
ts822 8/10 package mechanical data 3 pins - plastic package to92 (tape ammo pack) dim. millimeters inches min typ. max. min. typ. max. al 5.0 0.197 a 5.0 0.197 t 4.0 0.157 d 0.45 0.018 i1 2.5 0.098 p 11.7 12.7 13.7 0.461 0.500 0.539 po 12.4 12.7 13 0.488 0.500 0.512 p2 5.95 6.35 6.75 0.234 0.250 0.266 f1/f2 2.4 2.5 2.8 0.094 0.098 0.110 d h -1 0 1 -0.039 0 0.039 d p -1 0 1 -0.039 0 0.039 w 17.5 18.0 19.0 0.689 0.709 0.748 w0 5.7 6 6.3 0.224 0.236 0.248 w1 8.5 9 9.75 0.335 0.354 0.384 w2 0.5 0.020 h 20 0.787 h0 15.5 16 16.5 0.610 0.630 0.650 h1 25 0.984 do 3.8 4.0 4.2 0.150 0.157 0.165 l1 11 0.433 a1 p p a t h h1 h l1 d i1 h0 w2 w0 w1 w d0 f1 f2 p2 p0
ts822 9/10 package mechanical data 3 pins - plastic package to92 (bulk) dim. millimeters inches min typ. max. min. typ. max. l 1.27 0.05 b 3.2 3.7 4.2 0.126 0.1457 0.1654 o1 4.45 5.00 5.2 0.1752 0.1969 0.2047 c 4.58 5.03 5.33 0.1803 0.198 0.2098 k 12.7 0.5 o2 0.407 0.5 0.508 0.016 0.0197 0.02 a 0.35 0.0138
ts822 10/10 package mechanical data 3 pins - tiny package (sot-23) dimensions millimeters inches min. typ. max. min. typ. max. a 0.890 1.120 0.035 0.044 a1 0.010 0.100 0.0004 0.004 a2 0.880 0.950 1.020 0.037 0.040 b 0.300 0.500 0.012 0.020 c 0.080 0.200 0.003 0.008 d 2.800 2.900 3.040 0.110 0.114 0.120 e 2.100 2.640 0.083 0.104 e1 1.200 1.300 1.400 0.047 0.051 0.055 e 0.950 0.037 e1 1.900 0.075 l 0.400 0.500 0.600 0.016 0.020 0.024 l1 0.540 0.021 k 0 8 a a1 a2 d e e1 b e e1 0.10 c c seating plane l1 l 0.25 gauge plane c k information furnished is believed to be accurate and reliable. however, stmicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result f rom its use. no license is granted by implication or otherwise under any patent or patent rights of stmicroelectronics. specificati ons mentioned in this publication are subject to change without notice. this publication supersedes and replaces all information previously supplied. stmicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of stmicroelectronics. ? the st logo is a registered trademark of stmicroelectronics ? 2002 stmicroelectronics - printed in italy - all rights reserved stmicroelectronics group of companies australia - brazil - canada - china - finland - france - germany - hong kong - india - israel - italy - japan - malaysia malta - morocco - singapore - spain - sweden - switzerland - united kingdom - united states ? http://www.st.com - united kingdom
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