AKD8180E AKD8180E AK8180E Evaluation Board 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 VTT VSS VDD TCLK Input Output pin Q0-17 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 50Ω if needed. (50Ω is connected to R1 pattern) Inputs 200MHz or less. Output load circuit Each output line is terminated to VTT with 50Ω. Q0-17 50Ω VTT AKD8180E-E-00 2 2012/9 5 4 3 2 1 AK8180E_Evalutaion_Board. VDD C5 0.1u R16 49.9 D 1 VTT P5 1 CON1 TCLK 2 VTT 5x1mmPAD Zo=50 26 Q5 27 Q3 Q4 28 29 VDD Zo=50 30 Q2 Zo=50 31 VSS VTT R14 49.9 D VSS VSS Q6 VSS Q7 TCLK Q8 24 Zo=50 23 Zo=50 22 Zo=50 VSS 2 3 1 Zo=50 Zo=50 5 4 3 2 C 1 Q1 5x1mmPAD gnd R1 Open Zo=50 Q0 P4 32 C10 0.01u R15 49.9 Zo=50 R17 49.9 Zo=50 R18 49.9 25 R19 49.9 VSS VTT 4 VTT 5 6 VDD VDD AK8180E Q9 NC Q10 VDD Q11 20 3 VSS 19 1 R2 49.9 2 3 R3 49.9 R4 49.9 R6 49.9 R9 49.9 17 Zo=50 VDD 16 Q12 15 Q13 14 13 Q14 VSS R5 49.9 R10 49.9 18 R8 49.9 VSS VTT C8 0.01u C3 0.1u Zo=50 Zo=50 Zo=50 2 VDD VSS Zo=50 R20 0 1 1 VSS Zo=50 OE SW1 VDD VSS TP2 OE VTT B 9 VTT 12 0.01u VSS Q15 0.1u VDD 11 C7 Zo=50 C2 Q16 0.01u R21 Open C4 0.01u 0.1u Zo=50 8 C VTT VDD 10 5 4 3 2 0.1u C6 Zo=50 C1 R11 49.9 21 C9 OE Q17 1 Zo=50 CON2 OE R12 49.9 VDD IC1 NC Zo=50 7 R13 49.9 B VSS R7 49.9 VSS VTT VDD A VDD VDD VDD VTT VDD C18 C17 C20 C19 C22 C21 C24 C23 0.1u 0.01u 0.1u 0.01u 0.1u 0.01u 0.1u 0.01u 0.1u C26 C25 C28 0.01uVSS 0.1u C27 C30 0.01u VSS 0.1u C29 C32 0.01u VSS 0.1u C31 C34 C33 0.01u VSS 0.1u 0.01u VSS 0.1u C36 C35 A 0.01u Title AK8180E_Evaluation_Board. VTT VTT VTT VTT VTT VTT VTT VTT VTT VTT Size A4 Date: 5 4 3 2 Document Number Rev 3 AK8180E Tuesday, February 05, 2013 Sheet 1 1 of 2 5 4 3 2 1 AK8180E_Evaluation_Board. D D P2 VTT P1 VDD P3 VSS C13 1u C16 TPG1 VSS C11 VDD C 1 1 VDD 22u TP TP1 C C12 1 1 1 TP TP VTT= VDD/2 [typ] C15 22u 0.1u 0.1u VSS VTT VSS B B A A Title AK8180E_Evaluation_Board. Size A4 Date: 5 4 3 2 Document Number Rev 3 Power Tuesday, February 05, 2013 Sheet 2 1 of 2