AEAT-6010/6012 magnetic encoder 10 or 12 bit angular detection device data sheet description avago technologies aeat-60xx series of magnetic encoders provides an integrated solution for angular detection. with ease of use in mind, these magnetic encoders are ideal for angular detection within 360. based on magnetic technologies, the device is non- contact and ensures reliable operations. it is able to provide absolute angle detection upon power-up, with a resolution of 0.0879(12 bits version) or 0.35(10bits version), which is equivalent to 4096 and 1024 positions per revolution respectively. the positional data is provided in serial bit stream. there is no upper speed limit; the only restriction is that there will be fewer samples per revolution as the speed increases. exploded view features ? 10 or 12 bits resolution ? contactless sensing technologies ? wide temperature range from -40 to 125c ? absolute angular position detection ? synchronous serial interface (ssi) output for absolute position data (binary format) ? code monotony error = 1 lsb ? single 5v supply ? easy assembly, no signal adjustment required ? direct connectivity through pcb ? rohs compliant applications ? flow meter ? angular detection ? knob control ? rotary encoder note: this product is not specifcally designed or manufactured for use in any specifc device. customers are solely responsible for determining the suitability of this product for its intended application and solely liable for all loss, damage, expense or liability in connection with such use. m a g n e t i c e n c o d e r m o t o r p l a s t i c h o u s i n g s e n s o r p c b a s s e m b l y p l a s t i c h u b p l a s t i c b a s e p l a t e 2 x s c r e w s c u s t o m e r s h a f t m a g n e t s n a p r i n g
2 device selection guide [1] part number resolution (bit) operating temperature (c) output communication dc supply voltage (v), v dd aeat-6012 12 -40 to +125 serial +5.0 AEAT-6010 10 -40 to +125 serial +5.0 notes: 1. for other options of magnetic encoder, please refer to factory. table 1. absolute maximum ratings [1, 2] parameter symbol limits units notes dc supply voltage at pin v dd = 5v v dd -0.3 to + 7 v input voltage v i -0.3 to vdd+0.3 v storage temperature t stg -40 to 125 c notes: 1. stresses greater than those listed under absolute maximum ratings may cause permanent damage to the device. this is stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specifcation is not implied. 2. exposure to absolute maximum rating conditions for extended periods may afect reliability. table 2. recommended operating condition parameter symbol values units notes dc supply voltage at pin v dd = 5v v dd +4.5 / +5.5 v ambient temperature t amb C40 to +125 c maximum read-out frequency f clk 1 mhz >0 mhz table 3. dc characteristics dc characteristics over recommended operating range, typical at 25 c parameter symbol condition values units notes min typ. max vdd supply current i dd 16 20 ma output high voltage d0 v oh v dd -0.5 v output low voltage d0 v ol v ss +0.4 v output current d0 i o 4 ma v dd pin = 4.5v input high voltage clk, csn v ih 0.7*v dd 1 input low voltage clk, csn v il 0.3*v dd notes: 1. csn is internal pull-up.
3 package dimensions figure 1. package and recommended mounting dimension table 4. timing characteristics timing characteristics over recommended operating range, typical at 25 c parameter symbol condition values units notes min typ. max data output activated (logic high) t do active 100 ns 2 first data shifted to output register t clk fe 500 ns 3 start of data output t clk/2 500 ns 4 data output valid t do valid 375 ns 5 data output tristate t do tristate 100 ns 6 pulse width of csn t csn 500 ns 7 sampling rate for absolute output f abs 9.9 10.42 10.94 khz 8 notes: 2. time between falling edge of csn and data output activated 3. time between falling edge of csn and frst falling edge of clk 4. rising edge of clk shifts out one bit a time 5. time between rising edge of clk and data output valid 6. after the last bit do changes back to tristate 7. csn=high; to initiate read-out of next angular position 8. internal sampling rate. parameters no. parameter value 1 operating temp(?c) - 40 to +125 2 shaft axial play (mm) 0.08 3 shaft tir (mm) 0.05 4 mechanical speed (rpm) 12,000 5 shaft diameter (mm) 6 + 0 / -0.01 6 moment inertia (g-cm^2) 0.104 7 shaft length C (mm) 8.5 1.0 8 mounting screw size (mm) m2 x 0.4 x 4 (socket head cap screw, head ?3.8 0.18 mm) 9 recommended screw torque 0.6 lb.inch 10 encoder base plate thickness (mm) 2 11 bolt circle 0.13 * note:- for high temperature application, it is highly recommended that adhesive be applied at least to the screw and the base plate interface. refer application note for further details. 1 9 m m 2 3 m m ? 2 3 m m ? 1 7 b a s e p l a t e s c r e w m o u n t i n g
electrical connections figure 3. electrical connections figure 4. basic connector dimensions notes: 1. please refer to table 4 for timing characteristics. 2. for 12 bits version; the positional data bits will start with d11 instead and end at d0. figure 2. timing diagram for 10 bit magnetic encoder timing characteristics 1 clkfe t clk/2 t d9 d0 d8 d7 d6 d5 d4 d3 d2 d1 10 cs clk do cs t clkfe t 1 d9 do valid t do tristate t positional data bits do active t vdd vss do csn clk pin symbol description 1 vdd 5v supply voltage 2 csn chip select C input (see figure 2) 3 vss supply ground 4 clk serial clock - input (see figure 2) 5 do serial data - output. (see figure 2) ? 22.6 1.25 3.6 8.4 for product information and a complete list of distributors, please go to our web site: www.avagotech.com avago, avago technologies, and the a logo are trademarks of avago technologies, limited in the united states and other countries. data subject to change. copyright ? 2007 avago technologies limited. all rights reserved. av02-0188en - march 20, 2007
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