12-bit, 3 msps, a to d converter AD1672 asd0010965 rev. o information furnished by analog devices is believed to be accurate and reliable. however, no responsibility is assumed by analog devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. specifications subject to change without notice. no license is granted by implication or otherwise under any patent or patent ri ghts of analog devices. trademarks and registered trademarks are the proper ty of their respective companies. one technology way, p.o. box 9106, norwood, ma 02062-9106, u.s.a. tel: 781.329.4700 www.analog.com fax: 781.326.8703 ? 2017 analog devices, inc. all rights reserved. 1.0 scope. this specification documents the detail requirement s for space qualified product manufactured on analog devices, inc.?s qml certified line per mil-prf-38535 lev el v except as modified herein. the manufacturing flow described in the standard space level prod ucts program brochure is to be considered a part of this specification. th is brochure may be found at: http://www.analog.com/aerospace. this data sheet specifically details the space grade version of this product. a more detailed operational description and a complete data sheet for commercial product grades can be found at www.analog.com/AD1672 . 2.0 part number: the complete part number(s) of this specification follow: part number description AD1672-703f 12-bit, 3 msps, a to d converter AD1672-713d 12-bit, 3 msps, a to d converter with radiation test 2.1 case outline: letter descriptive designator case ou tline (lead finish per mil-prf-38535) d gdip2-t28 28-lead sidebrazed dip package f cdfp3-f28 28-lead bottom-brazed flatpack
AD1672 asd0010965 rev. o | page 2 of 7 pin description symbol pin no. type name and function drcom 1 p digital output drive ground bit 12 2 do data bit (lsb). bit 2-11 3-12 do data bits bit 1 13 do data bit (msb). drv dd 14 p +5v digital output drive supply (3.0v to 5.25v) otr 15 do out of range is active high on the leading edge of code 0 or the trailing edge of code 4096. see output data format table v. clock 16 di sample clock v dd 17 p +5v digital supply dcom 18 p digital ground refcom 19, 24 p analog ground refout 20 ao 2.5v reference output (decouple with 1 ? f ceramic capacitor to refcom). ain1 21 ai analog input ain2 22 ai analog input refin 23 ai reference input ncomp2 25 ao noise compensation (decouple with 1 ? f ceramic capacitor to acom). ncomp1 26 ao noise compensation (decouple with 1 ? f ceramic capacitor to acom). acom 27 p analog ground v cc 28 p +5v analog supply type: ai = analog input; di = digital input; p = power ao = analog output; do = digital output figure 1 - terminal connections .
AD1672 asd0010965 rev. o | page 3 of 7 3.0 absolute maximum ratings . (ta = 25c, unless otherwise noted) v cc with respect to acom ................................................................................ -0.5 to +6.5v v dd with respect to dcom ................................................................................ -0.5 to +6.5v drv dd with respect to drcom ........................................................................ -0.5 to +6.5v acom with respect to dcom, drcom ........................................................... -0.5 to +0.5v clock with respect to dcom .................................................................... -0.5 to v dd + 0.5v digital outputs with resp ect to dcom ............................................... -0.5v to drv dd + 0.5v ain with respect to ac om ............................................................................. -6.5v to +6.5v refin with respect to acom ................................................................ -0.5v to v cc + 0.5v junction temperature (t j ) ....................................................................................... +150c operating temperature range .................................................................. -55c to + 125c storage temper ature ................................................................................. -65c to +150c lead temperature (10 sec) ..................................................................................... +300c stresses above those listed under "absolute maximum ratings" may cause permanent damage to the device. this is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of the specification is not implied. exposure to absolute maximum ratings for extended periods may effect device reliability. 3.1 thermal characteristics : thermal resistance, sidebrazed (d) package junction-to-case ( ? jc ) = 28c/w max junction-to-ambient ( ? ja ) = 70c/w max thermal resistance, bottom brazed (f) package junction-to-case ( ? jc ) = 22c/w max junction-to-ambient ( ? ja ) = 60c/w max 4.0 electrical table : table i parameter (see notes at end of table) symbol conditions 1/ unless otherwise specified sub group limit min limit max units resolution no missing codes 1,2,3 12 bits supply current i vcc 1,2,3 65 ma i vdd 2 i drvdd 2 power dissipation pd 1,2,3 363 mw power supply rejection 3/ psr v cc = 5.0v 0.25v 1,2,3 -0.3 0.3 %fsr v dd = 5.0v 0.25 v -0.3 0.3 v drvdd = 3.0v to 5.25 v -0.1 0.1 accuracy 1,2,3 integral nonlinearity inl -2.5 2.5 lsb differential nonlinearity dnl -1 1.5 lsb offset zero vose -0.75 0.75 %fsr zero error 5 / -0.75 0.75 %fsr gain error 2 / -1.5 1.5 %fsr internal voltage reference 6/ v o i out = 0.5 ma 4/ 1,2,3 2.475 2.525 v
AD1672 asd0010965 rev. o | page 4 of 7 4.0 electrical table: (contd) notes: 1/ v cc = v dd = v drvdd = +5.0v. 2/ includes internal reference error. 3/ change in full scale as a function of the dc supply voltage. 4/ current available for external loads. external load should not change during conversion. 5/ bipolar mode 6/ the AD1672 includes an onboard +2.5 v reference. the reference input pin (ref in) can be connected to reference output pin ( ref out) or a standard external +2.5 v reference can be selected to meet specific system requirements. the reference input voltage can be held with th e use of a capacitor. to prevent the AD1672?s onboard reference from oscillating when not connected to ref in, ref out must be connected to +5 vvcc. it is possible to connect ref out to +5 v due to its output circuit implementation which shuts down the reference parameter see notes at end of table symbol conditions 1/ unless otherwise specified sub group limit min. limit max units analog input 2.5v range unipolar 1,2,3 0 2.5 v 5.0v range unipolar 0 5 5.0v bipolar -2.5 2.5 input resistance 2.5v input range 5.0v input range 1,2,3 1.5 3 2.5 5 k ? ac parameters: parameter see notes at end of table symbol conditions 1/ unless otherwise specified sub group limit min. limit max units signal to noise distortion sinad f input =500khz 4 5 6 63 59 62 db signal to noise ratio snr f input =500khz 4 5 6 66 59 62 db total harmonic distortion t hd f input =500khz 4,5,6 -64 db spurious free dynamic range sfdr f input =500khz 4,5,6 -65 db
AD1672 asd0010965 rev. o | page 5 of 7 4.1 electrical test requirements : table ii test requirements subgroups (in accordance with mil-prf-38535, table iii) interim electrical parameters 1 final electrical parameters 1, 2, 3, 4, 5, 6 1/ 2/ group a test requirements 1, 2, 3, 4, 5, 6 group c end-point electrical parameters 1 2/ group d end-point electrical parameters 1 group e end-point electrical parameters 1 table ii notes 1/ pda applies to subgroup 1 only. no other subgroups are included in pda. 2/ see table iii for delta parameters. 4.2 table iii. life test/burn-in test delta limits. table iii test title endpoint limit delta limit units i cc v oh v ol 65 2.4 0.4 6.5 0.24 0.1 ma v v 5.0 test/burn-in circuit: 5.1 htrb is not applicable for this drawing. 5.2 burn-in is per mil-std-883 method 1015 test condition d. 5.3 steady state life test is per mil-std-883 method 1005.
AD1672 asd0010965 rev. o | page 6 of 7 rev description of change date a initiate 4/20/2000 b add flatpack, add radiation part number , add timing information on page 3. 3/22/2001 c update web address. 2/7/2002 d change subgroups 4, 5, 6 to 9, 10, 11. update web address 1/9/2003 e delete burn-in circuit. 8/5/2003 f update header/footer and add to 1.0 scope description 2/19/2008 g add operating temperature range to section 3.0 & remove (see figure 2) in sections 5.2 and 5.3 4/4/2008 h remove obsolete part numbers and update asd to adi standard 11/30/2011 i corrected typo in section 4.0 electrical table. 11/08/2013 j add application note to prevent oscillation 01/18/2015 k simplify icc delta limit by listing abso lute value vs % of specification. no change in limit 07/13/2016 l corrected copyri ght date 07/29/2016 m corrected font errors in last release 8/23/2016 n corrected typo in section 4.0 electrical table 1 11/1/2016 o change s(n+d) to sinad, snr and si nad limit change for subgroup 5,change to adi standard v drdd to v drvdd of power supply rejection, all subgroup 4,5,6 not 9,10,11, add drv dd voltage range at pin description page . 10/06 / 2017 ? 2017 analog devices, inc. all rights reserved. trademarks and registered trademarks are the proper ty of their respective companies. printed in the u.s.a. 10/17
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