advance speci?ation advance specification describes products that are in the design stage. specifications may change in any manner whatever without notice. contact fairchild semiconductor for current information. www.fairchildsemi.com rev. 0.7.1 4/4/00 features fixed 2.500v and 3.300v tolerances to + 0.1% (25 c) low output noise low temperature coef?ient, 50ppm/? max small package: ssot-23 extended operating current range applications portable equipment disk drives instrumentation audio equipment data acquisition systems description the fan4050 series of precision shunt references are ideal for space- and cost-sensitive applications. they are available in two output voltages (2.500v and 3.300v) and with a variety of output voltage tolerances (0.1%, 0.2%, and 0.5%). they also have excellent temperature coef?ients, 50ppm/ c. the fan4050 series is available in the sot-23 package. connection diagram 1 2 + 3* *this pin must be left floating or connected to pin 2. sot-23 top view fan4050 precision micropower shunt voltage reference
fan4050 2 rev. 0.7.1 advance speci?ation absolute maximum ratings 1 ratings are over full operating free-air temperature range unless otherwise noted. notes: 1. functional operation under these conditions is not implied. permanent damage may occur if the device is subjected to conditions outside these ratings. 2. it is recommended to connect pin 3 to pin 2 in the ssot23 package to ensure optimal thermal performance. recommended operating conditions equivalent schematic parameter min. max. unit continuous cathode current, i k -10 20 ma power dissipation 2 280 mw storage temperature range -65 150 ? lead temperature (soldering, 10 sec.) 300 ? parameter min. max. unit continuous cathode current, i k 0.1 15 ma operating temperature range in free air, t a -40 85 ? + _ + _
fan4050 rev. 0.7.1 3 advance speci?ation guaranteed electrical characteristics, fan4050-2.5 (t a = 25 c unless otherwise speci ed, in free air) the ? denotes speci cations which apply over the full operating temperature range. *typical. guaranteed electrical characteristics, fan4050-3.3 (t a = 25 c unless otherwise speci ed, in free air) the ? denotes speci cations which apply over the full operating temperature range. *typical. symbol parameter conditions limits units abc v r reverse breakdown voltage i k = 100a 2.500 2.500 2.500 v* tcv r reverse breakdown voltage tolerance i k = 100a ? 2.5 11 5.0 14 13 21 mv mv i rmin minimum operating current ? 65 65 65 a ? v r / ? t reverse breakdown voltage temperature coefficient i k = 100a ? 50 50 50 ppm/ c ? v r ( ? i k ) reverse breakdown voltage change with operating current i rmin i k 1ma 1ma i k 15ma 1ma i k 25ma ? ? 1.2 8.0 12 1.2 8.0 12 1.2 8.0 12 mv mv mv* z ka reverse dynamic impedance i k =1ma, f=120hz, i ac =0.1i k 0.3 0.3 0.3 ? * e n wideband noise i k =100a, 10hz f 10khz 35 35 35 v rms * ? v r reverse breakdown voltage long-term stability t=1000hrs, t=25 c, i k =100a 120 120 120 ppm* symbol parameter conditions limits units abc v r reverse breakdown voltage i k = 100a 3.300 3.300 3.300 v* tcv r reverse breakdown voltage tolerance i k = 100a ? 3.3 25 6.6 28 17 38 mv mv i rmin minimum operating current ? 70 70 70 a ? v r / ? t reverse breakdown voltage temperature coefficient i k = 100a ? 50 50 50 ppm/ c ? v r ( ? i k ) reverse breakdown voltage change with operating current i rmin i k 1ma 1ma i k 15ma 1ma i k 25ma ? ? 1.2 10 15 1.2 10 15 1.2 10 15 mv mv mv z ka reverse dynamic impedance i k =1ma, f=120hz, i ac =0.1i k 0.5 0.5 0.5 ? * e n wideband noise i k =100a, 10hz f 10khz 70 70 70 v rms * ? v r reverse breakdown voltage long-term stability t=1000hrs, t=25 c, i k =100a 120 120 120 ppm*
fan4050 4 rev. 0.7.1 advance speci?ation mechanical dimensions sot-23 package a .035 .044 symbol inches min. max. min. max. millimeters notes a1 .0004 .004 .020 b.012 c .003 .008 e .047 .055 e .021 ref h .083 .104 e1 l s d .110 .120 .89 1.12 .01 .10 .50 .30 .08 .20 1.20 1.40 .54 ref .016 nom .395 nom .075 bsc 1.90 bsc .037 bsc .95 bsc 2.10 2.64 2.80 3.04 notes: 1. 2. 3. 4. dimensions are inclusive of plating. dimensions are exclusive of mold flash & metal burr. comply to jedec to-236. this drawing is for matrix leadframe only. d e1 s e e a a1 b h l c
fan4050 advance speci?ation 4/4/00 0.0m 003 stock#ds30004040 1999 fairchild semiconductor corporation disclaimer fairchild semiconductor reserves the right to make changes without further notice to any products herein to improve reliability, function or design. fairchild does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights, nor the rights of others. life support policy fairchild s products are not authorized for use as critical components in life support devices or systems without the express written approval of the president of fairchild semiconductor corporation. as used herein: 1. life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, or (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. 2. a critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. www.fairchildsemi.com ordering information example: fan4050ais3-2.5 fan4050 a i s3 2.5 grade package voltage 0.1% = a sot23 = s3 2.5v = 2.5 0.2% = b 3.3v = 3.3 0.5% = c sot-23 package marking information only 3 elds of marking are possible on an sot-23. this table gives the meaning of these elds. example: f2a f2 a voltage grade 2.5v = 2 0.1% = a 3.3v = 3 0.2% = b 0.5% = c
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