akd8180e akd818 0e ak818 0e evaluation board tclk input output pin q0 - 17 vdd vtt vss the akd8180e is an evaluation board for AK8180E. therefore, it is easy to evaluate dc/ac characteristics and confirm product functions. - sma terminal input - preparing teminal and land pattern for vdd/vss/vtt - control switch for oe oe akd8180e-e-00 1 2012/9
akd8180e power there are the following three power supplies. - vdd the core power supply of AK8180E (+1.25v or +1.65v) - vss the core power supply of AK8180E ( - 1.25v or - 1.65v) - vtt power supply for the end of the output load resistor (gnd) note) gnd of the sma terminal is connected to the vtt. clock input the clock input signal can terminate at 50 ? if needed. (50 ? is connected to r1 pattern) inputs 200mhz or less. output load circuit each output line is terminated to vtt with 50 ? . 50 vtt q0 - 17 akd8180e-e-00 2 2012/9
5 5 4 4 3 3 2 2 1 1 d d c c b b a a AK8180E_evalutaion_board. zo=50 zo=50 zo=50 zo=50 zo=50 zo=50 zo=50 zo=50 zo=50 zo=50 zo=50 zo=50 zo=50 zo=50 zo=50 zo=50 zo=50 zo=50 zo=50 zo=50 vtt vtt vtt vtt vtt vtt vtt vtt vtt zo=50 zo=50 vtt vtt vtt vtt vtt vtt vtt vtt vtt vtt vtt vtt vss vdd vdd vdd vss vss vss vss vdd vdd vdd vss vss vss vss vss vdd vdd vdd vdd vdd vss vss vss vss vss title size document number rev date: sheet of AK8180E 3 AK8180E_evaluation_board. a4 12 tuesday, february 05, 2013 title size document number rev date: sheet of AK8180E 3 AK8180E_evaluation_board. a4 12 tuesday, february 05, 2013 title size document number rev date: sheet of AK8180E 3 AK8180E_evaluation_board. a4 12 tuesday, february 05, 2013 c1 0.1u c27 0.01u ic1 AK8180E vss 1 vss 2 tclk 3 nc 4 oe 5 nc 6 vdd 7 vdd 8 q17 9 q16 10 q15 11 vss 12 q14 13 q13 14 q12 15 vdd 16 vss 17 q11 18 q10 19 q9 20 vdd 21 q8 22 q7 23 q6 24 vss 25 q5 26 q4 27 q3 28 vdd 29 q2 30 q1 31 q0 32 p5 5x1mmpad 1 2 c35 0.01u r12 49.9 c22 0.1u r8 49.9 r21 open c2 0.1u c9 0.01u r1 open r14 49.9 c3 0.1u c33 0.01u c36 0.1u c20 0.1u r18 49.9 con1 tclk 1 2 3 4 5 sw1 oe 1 1 2 2 3 3 c8 0.01u r11 49.9 r7 49.9 c31 0.01u r4 49.9 c10 0.01u c34 0.1u c29 0.01u c5 0.1u c32 0.1u c6 0.01u r6 49.9 r19 49.9 c25 0.01u c21 0.01u c30 0.1u r10 49.9 r20 0 r3 49.9 c7 0.01u r15 49.9 c4 0.1u p4 5x1mmpad gnd 1 r13 49.9 con2 oe 1 2 3 4 5 r16 49.9 c26 0.1u r5 49.9 c24 0.1u c18 0.1u c19 0.01u r9 49.9 r17 49.9 r2 49.9 c23 0.01u c28 0.1u c17 0.01u tp2 oe 1
5 5 4 4 3 3 2 2 1 1 d d c c b b a a vtt= vdd/2 [typ] AK8180E_evaluation_board. vtt vdd vss vss title size document number rev date: sheet of power 3 AK8180E_evaluation_board. a4 22 tuesday, february 05, 2013 title size document number rev date: sheet of power 3 AK8180E_evaluation_board. a4 22 tuesday, february 05, 2013 title size document number rev date: sheet of power 3 AK8180E_evaluation_board. a4 22 tuesday, february 05, 2013 c16 0.1u p3 vss tp 1 c11 22u p2 vtt tp 1 p1 vdd tp 1 tpg1 vss 1 c12 22u c15 0.1u c13 1u tp1 vdd 1
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