rotational life vs. shaft side load 40 50 60 30 20 10 0 0 100 200 shaft side load (grams) rotational life (millions of cycles) 300 400 500 50 150 250 350 450 features non-contacting magnetic technology highly resistant to vibration/shock highly resistant to ? uid/dust ingress programmable slope robust design for industrial applications ideal memory positioning sensor rohs compliant* amm20b multiturn magnetic position sensor *rohs directive 2002/95/ec jan. 27, 2003 including annex and rohs recast 2011/65/eu june 8, 2011. speci? cations are subject to change without notice. customers should verify actual device performance in their speci? c applications. electrical characteristics 1 (@ 25 ?) vdd supply voltage ..................................................................................................5 v ?10 % supply current 2 for low speed processing (code l) ................................................................... 12 ma max. for high speed processing (code h) ................................................................. 15 ma max. output signal (single) ..................................................................................................... analog independent linearity ...................................................................................................... ?.5 % (?.3 % available on request) backlash ...................................................................................................................... . < 5 ?typ. effective electrical angle 3 ....................................................................1080 ? 1800 ?or 3600 voltage output (programmable) ................................................................ 1 to 99 % vdd ? % output resolution ...............................................................................................12 bit @ 3600 load resistance recommended ....................................................................... 10k ohms to overvoltage protection .................................................................................................+20 vdc reverse voltage protection ...........................................................................................-10 vdc environmental characteristics operating and storage temperature .................................................................-40 ?to +125 ? rotational life (shaft revolutions) .............................................................................. 50 million vibration ..................................................................................................................... .........15 g shock...................................................................................................................................50 g ip rating .............................................................................................................................. ip50 mechanical characteristics (@ 25 ?) mechanical angle ..................................................................................................... 3960 ?min. shaft/rpm ...........................................................................................................500 rpm max. torque (starting & running) ...........................................................1.77 n-cm. (2.5 oz-in.) max. shaft material ...................................................................................................... stainless steel terminal pins ......................................................................phos. bronze, 100 % tin plated (e3) bearing .................................................................................................................bronze sleeve housing and rear lid .................................................................................................... ul94v0 soldering condition manual soldering ................................................. 96.5sn/3.0ag/0.5cu solid wire or no-clean rosin cored wire; 370 ? (700 ?) max. for 3 seconds wave soldering ............................................. 96.5sn/3.0ag/0.5cu solder with no-clean ux; 260 ? (500 ?) max. for 5 seconds wash processes ........................................................................................not recommended 1 at room ambient: +25 ? nominal and 50 % relative humidity nominal, except as noted. 2 see ?rocessing speed?in how to order selection guide. 3 other effective electrical angles available. see how to order selection guide. *rohs compliant product dimensions mexico amm20b s1 +- 14.29 (0.56) 21.55 0.38 (.848 .015) 1.570 (0.062) 0.64 0.25 (.025 .010) 0.64 0.25 (.025 .010) 5.080 (0.200) 20.22 (0.80) 10.29 +0.00/-0.05 (.405 +.000/-.002) dia. 6.34 +0.00/-0.07 (.250 +.000/-.003) dia. 7.62 0.38 (.300 .015) 20.62 0.78 (.812 .031) x 45 chamfer 0.250 (0.010) 9.53 0.38 (.375 .015) 3/8 ? 32-unef-2a thd wide x adjustment slot 0.81 (.032) deep 0.81 (.032) asia-paci c: tel: +886-2 2562-4117 fax: +886-2 2562-4116 europe: tel: +41-41 768 5555 fax: +41-41 768 5510 the americas: tel: +1-951 781-5500 fax: +1-951 781-5700 www.bourns.com dimensions: mm (inches) tolerances except where noted decimals: .xx .50 (.02) .xxx .127 (.005)
speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. amm20b multiturn magnetic position sensor how to order 01/13 amm2 0 b 5 a 1 b l as l 380 code m description multiturn configuration code b description bushing mount, stainless steel shaft: 13/16 ? fms, 1/4 ? dia. bushing material: brass bearing type: sleeve mounting configuration code am description analog magnetic model designator code 20 description 20 mm size code type analog / single output output type code 24 40 80 description 1080 (3 turns) 1800 (5 turns) 3600 (10 turns) effective electrical angle code 5 description 5 vdc vcc code h l output refresh rate high (400 s typ.) low (660 s typ.) processing speed code s description slotted shaft style code a description 1-99 % of vcc voltage ratio 1 % code 1 3 description ccw (output increasing) cw (output increasing) shaded areas represent most common features. direction code a b c description 1.0 % 0.5 % 0.3 % independent linearity a1 code l description axial pc pin terminal configuration standard output: 10-turn cw increasing (code 380 shown) 40 30 20 10 0 90 100 80 70 60 50 0 1000 cw direction 1500 mechanical angle (? vout (%) 2500 3000 4000 500 2000 3500 output
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