advanced monolithic systems, inc. www.advanced - monolithic.com phone (925) 443 - 0722 fax (925) 443 - 0723 advanced AMS04/ams05 monolithic voltage references systems features applications low tem perature coefficient battery powered systems wide operating current range instrumentation AMS04????????.15 m m a to 20ma a/d, d/a converters ams05????????.20 m m a to 20ma current sources max. 1 w w dynamic impedance power sup plies typ. 2% output tolerance telecommunication general description the AMS04 and the ams05 are two - terminal, band - gap voltage reference diodes, with an output voltage of 1.25v for the AMS04 and 2.5v for the ams05. these devices feature low dynam ic impedance and good temperature coefficient, operating over a wide current range. since the band - gap reference of these devices uses only transistors and resistors, low noise and good long term stability result. the wide dynamic operating range allows it s use with widely varying supplies with excellent regulation. the AMS04 and ams05 can be used for portable meters, regulators, data acquisition converters and telecommunication. the AMS04 and ams05 are operational over a temperature range of 0 c to 70 c a nd are available in to - 92 and so - 8 packages. ordering information: max. package type operating tempco to - 92 8 lead soic temperature range 50ppm/ c AMS04an AMS04as 0 to 70 c 100ppm/ c AMS04bn AMS04bs 0 to 70 c 50ppm/ c ams05an ams05 as 0 to 70 c 100ppm/ c ams05bn ams05bs 0 to 70 c pin connections to - 92 so - 8 plastic package (n) so package (s) bottom view top view 1 2 + - 1 2 8 4 3 7 5 6 n/c n/c n/c n/c n/c n/c + -
advanced monolithic systems, inc. www.advanced - monolithic.com phone (925) 443 - 0722 fax (925) 443 - 0723 AMS04/ams05 absolute maximum ratings reverse current 30ma soldering inf ormation forward current 10ma to - 92 package: 10 sec. 260 c operating temperature range 0 c to 70 c soic package: vapor phase (60 sec) 215 c storage temperature - 55 c to +150 c infrared (15 sec.) 220 c electrical characteristics electrical characteristics at i r = 100 m a, and t a = +25c unless otherwise specified. parameter conditions AMS04 min typ max ams05 min typ max units reverse breakdown voltage i r = 100 a 1.235 1.250 1.265 2.475 2.50 2.525 v reverse dynamic impedance i r = 100 a 1 1 w reverse breakdown 15 m a i r 20ma 20 m a i r 1ma 10 0.25 20 1.0 mv voltage change 20 m a i r 20ma 25 m a i r 1ma 10 0.25 2.0 1.0 mv min. operating current 10 20 m a wide band noise 10hz f 10khz 60 60 m v temperature coeff. AMS04a/ams05a AMS04b/ams05b i r = 100 a (note 3) 50 100 50 100 ppm/c note 1: absolute maximum ratings indicate limits beyond which damage to the device may occur. operating ratings indicate conditions for which the device is intended to be functional, but do not guarantee specific performance limits. for guaranteed specifications a nd test conditions, see the electrical characteristics . the guaranteed specifications apply only for the test conditions listed. note 2: for elevated temperature operation, t j max is +100c thermal resistance to - 92 so - 8 j ja (junction to ambient) 1 70c/w (0.125? leads) 165c/w note 3: the average temperature coefficient is defined as the maximum deviation of reference voltage at all measured temperatures between the operating t max and t min , divided by t max - t min . the measured temperatures are 0 c , 25 c and 70 c. typical applications precision current sou rce battery powered 1.25v reference 10v reference 7 4 3 2 + - lm312 6 r set 81k w +15v 1 m f i out * AMS04 set out r 1.25v i * = ams05 50k 7 4 6 2 3 - + v out = 10v lm312 0.1 m f 180k w 60k w +15v AMS04 1.2v 360k w 9v
advanced monolithic systems, inc. www.advanced - monolithic.com phone (925) 443 - 0722 fax (925) 443 - 0723 AMS04/ams05 typical performance characteristics -2 2 4 8 10 0.1 1 10 100 AMS04 reverse characteristics 0 6 output voltage change (mv) t a =25 c 0.01 0 0.4 1.2 0.1 1 10 100 0.8 0.01 reverse current (ma) 0 0.2 0.4 0.6 0.8 1.0 1.2 0.1 100 10 1.4 reverse voltage (v) reverse current ( m a) 1 AMS04 reverse characteristics AMS04 forward characteristics forward current (ma) forward voltage (v) t a =25 c t a =25 c 0 10 0 1.0 2.0 0 200 400 600 time ( m s) AMS04 response time voltage swing (v) 0.5 1.5 ~ ~ ~ ~ output 100k input output input -4 4 8 16 0.1 1 10 100 ams05 reverse characteristics 0 output voltage change (mv) t a =25 c 0.01 reverse current (ma) 0 0.5 1.0 1.5 2.0 2.5 0.1 100 10 3.0 reverse voltage (v) reverse current ( m a) 1 reverse characteristics t a =25 c 12 0 0.4 1.6 0.1 1 10 100 0.8 0.01 ams05 forward characteristics forward current (ma) forward voltage (v) 1.2 t a =25 c 0 10 0 1.0 3.0 0 200 400 600 time ( m s) ams05 response time voltage swing (v) 2.0 ~ ~ ~ ~ output 100k input output input
advanced monolithic systems, inc. www.advanced - monolithic.com phone (925) 443 - 0722 fax (925) 443 - 0723 AMS04/ams05 package dimensions inches (millimeters) unless otherwise noted. 3 lead to - 92 plastic package (n) 8 lead soic plastic p ackage (s) 0.1400.010 (3.5560.127) 0.0600.010 (1.5240.254) 0.0150.002 (0.3810.051) 0.0160.003 (0.4060.076) 0.0500.005 (1.2700.127) 0.0600.005 (1.5240.127) dia 0.1800.005 (4.5720.127) 0.1800.005 (4.5720.127) 0.050 (1.270) max 0.500 (12.70) min uncontrolled lead dimensions 10 nom 5 nom n (to-92 ) ams drw# 042391 0.90 (2.286) nom 0-8 typ 0.010-0.020 (0.254-0.508) s (so-8 ) ams drw# 042293 x 45 0.016-0.050 (0.406-1.270) 0.008-0.010 (0.203-0.254) 0.004-0.010 (0.101-0.254) 0.014-0.019 (0.355-0.483) 0.053-0.069 (1.346-1.752) 0.050 (1.270) typ 0.150-0.157** (3.810-3.988) 0.228-0.244 (5.791-6.197) 0.189-0.197* (4.801-5.004) *dimension does not include mold flash. mold flash shall not exceed 0.006" (0.152mm) per side **dimension does not include interlead flash. interlead flash shall not exceed 0.010" (0.254mm) per side 1 2 3 4 8 7 6 5
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