Datasheet

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 50050 150 250 350 450
Features
■ Non-contacting magnetic technology
■ Highly resistant to vibration/shock
■ Highly resistant to fl 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.
Specifi cations 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 specifi c applications.
Electrical Characteristics
1
(@ 25 °C)
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
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
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
1
At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
2
See “Processing 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 XADJUSTMENT SLOT
0.81
(.032)
DEEP
0.81
(.032)
Asia-Pacifi c:
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Europe:
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The Americas:
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www.bourns.com
DIMENSIONS:
MM
(INCHES)
TOLERANCES EXCEPT WHERE NOTED
DECIMALS: .XX ±
.50
(.02)
.XXX ±
.127
(.005)