PL IA N T Features CO M ■ Non-contacting magnetic technology *R oH S ■ Highly resistant to vibration/shock ■ Highly resistant to fluid/dust ingress ■ Programmable slope ■ Robust design for industrial applications ■ Ideal memory positioning sensor ■ RoHS compliant* AMM20B Multiturn Magnetic Position Sensor Electrical Characteristics1 (@ 25 °C) Product Dimensions 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 ...................................................... ±0.5 % (±0.3 % available on request) Backlash ....................................................................................................................... < 5 ° typ. Effective Electrical Angle 3 .................................................................... 1080 °, 1800 ° or 3600 ° Voltage Output (Programmable) ................................................................ 1 to 99 % VDD ±1 % Output Resolution ...............................................................................................12 bit @ 3600 ° Load Resistance Recommended ....................................................................... 10K ohms to ∞ Overvoltage Protection .................................................................................................+20 VDC Reverse Voltage Protection ...........................................................................................-10 VDC 0.64 ± 0.25 (.025 ± .010) 6.34 +0.00/-0.07 DIA. (.250 +.000/-.003) 10.29 +0.00/-0.05 DIA. (.405 +.000/-.002) 1.570 (0.062) 9.53 ± 0.38 (.375 ± .015) 20.62 ± 0.78 (.812 ± .031) 21.55 ± 0.38 (.848 ± .015) 7.62 ± 0.38 (.300 ± .015) Environmental Characteristics Operating and Storage Temperature .................................................................-40 ° to +125 °C Humidity....................................................................... MIL-STD-202, Method 103, Condition B Insulation Resistance @ 500 VAC..........................................................................100 MΩ min. Rotational Life (Shaft Revolutions) .............................................................................. 50 million Vibration ..............................................................................................................................15 G Shock...................................................................................................................................50 G IP Rating .............................................................................................................................. IP50 0.64 ± 0.25 (.025 ± .010) 0.250 X 45 ° CHAMFER (0.010) 5.080 (0.200) 3/8 ” 32-UNEF-2A THD Mechanical Characteristics (@ 25 °C) 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 °C (700 °F) max. for 3 seconds Wave Soldering ............................................. 96.5Sn/3.0Ag/0.5Cu solder with no-clean fl ux; 260 °C (500 °F) max. for 5 seconds Wash processes ........................................................................................Not recommended ADJUSTMENT SLOT 0.81 0.81 WIDE X DEEP (.032) (.032) + S1 - AMM20B 20.22 (0.80) MEXICO 14.29 (0.56) TOLERANCES EXCEPT WHERE NOTED 1At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as 2 See “Processing Speed” in How to Order selection guide. 3 Other Effective Electrical Angles available. See How to Order selection guide. noted. DECIMALS: .XX ± DIMENSIONS: .50 (.02) .XXX ± MM (INCHES) Rotational Life (Millions of Cycles) Rotational Life vs. Shaft Side Load 60 50 40 30 20 10 0 0 50 100 150 200 250 300 Shaft Side Load (grams) 350 400 450 500 Asia-Pacific: 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 *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. .127 (.005) AMM20B Multiturn Magnetic Position Sensor How To Order A M M 2 0 B 5 A 1 B L A S L 3 8 0 EFFECTIVE ELECTRICAL ANGLE MODEL DESIGNATOR Code Description AM Analog Magnetic Code 24 40 80 CONFIGURATION Code Description M Multiturn DIRECTION Code Description 1 CCW (Output Increasing) 3 CW (Output Increasing) SIZE Code Description 20 20 mm TERMINAL CONFIGURATION Code Description L Axial PC Pin MOUNTING CONFIGURATION Code Description B Bushing Mount, Stainless Steel Shaft: 13/16 ” FMS, 1/4 ” Dia. SHAFT STYLE Code Description S Slotted Bushing Material: Brass Bearing Type: Sleeve SUPPLY VOLTAGE, VCC VOLTAGE RATIO ±1 % Code Description A 1-99 % of VCC Code Description 5 5 VDC Code A1 Description 1080 ° (3 Turns) 1800 ° (5 Turns) 3600 ° (10 Turns) OUTPUT TYPE Type Analog / Single Output PROCESSING SPEED Code Output Refresh Rate H High (400 μs Typ.) L Low (660 μs Typ.) INDEPENDENT LINEARITY Code Description A ± 1.0 % B ± 0.5 % C ± 0.3 % Shaded areas represent most common features. Vout (%) Standard Output: 10-Turn CW Increasing (Code 380 Shown) 100 90 80 70 60 50 40 30 20 10 0 OUTPUT 0 500 1000 1500 2000 2500 Mechanical Angle (°) 3000 3500 4000 CW DIRECTION REV. 09/13 Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications.