AKD8127/8 Evaluation Board for AK8127/8 AKD8127/8 Ordering guide Description The AKD8127/8 is a common evaluation board for clock generator, AK8127 and AK8128 family. Therefore, it is possible to evaluate spectrum characteristics and other performances. AKD8127XY XY: 70: 8A: 8B: 8C: Device Type AK8127 AK8128A AK8128B AK8128C Block Diagram VDD GND AK8127 AK8128X CKOUT1 EXT-IN CKOUT2 Configuration SW AKD8127 Evaluation AKD0999-E-00 Board Mar-2010 -1- AKD8127/8 Functions 5. DIPSW SW3 SW2 SW１ 3. Clock Output 1 4. Clock Output 2 2. Clock Input 1. Power supply Figure1. AKD8127/8 Top view 1. Power Supply Please connect the lead line to VDD (3.3V; Red) and VSS (GND; Black). 2. Clock input It is possible to input clock from SMA-A connector. 3. 4. Clock output Clock output from AK8127_AK8128X leads to this connector. Spectrum Analyzer or Oscilloscope is available to measure clock performances by connecting here. CLKOUT1 CLKOUT2 AK8127 CKOUT1 CKOUT2 AK8128A CKOUT AK8128B CKOUT Mar-2010 AK8128C CKOUT - AKD0999-E-00 -2- AKD8127/8 5. DIPSW L: Connect to GND M: Open H; Connect to VDD 5.1 AK8127 SW3 Spread Ratio Selection SW3 (S: Pin9) L M (L) H Spread Ratio ±1.5% ±1.5% ±3.0% SW2 SW3 Output Frequency Selection SW1(F1:Pin7) L L L M(L) M(L) M(L) H H H SW2(F0:Pin8) L M H L M H L M H CKOUT1(MHz) 20 20 20 20 20 20 20 20 20 CKOUT2(MHz) 60 75 80 60 75 80 95 97.5 96.675 5.2 AK8128A SW3 SW2 Output Frequency Selection SW3(F1:Pin9) L L L M(L) M(L) M(L) H H H SW2(F0:Pin8) L M(L) H L M(L) H L M(L) H CKOUT(MHz) 74.25 74.25 74.25/1.001 74.25 74.25 74.25/1.001 148.5 148.5 148.5/1.001 SW1 Not Used Mar-2010 AKD0999-E-00 -3- AKD8127/8 5.3 AK8128B SW3 SW2 Output Frequency Selection SW3(F1:Pin9) L L L M(L) M(L) M(L) H H H SW2(F0:Pin8) L M(L) H L M(L) H L M(L) H CKOUT(MHz) 74.25 74.25 74.25/1.001 74.25 74.25 74.25/1.001 148.5 148.5 148.5/1.001 SW1 Input Clock Frequency Selection SW1 (S: Pin9) L M (L) H Input Frequency (MHz) 27.000 27.000 48.000 5.4 AK8128C SW3 SW2 Output Frequency Selection SW3(F1:Pin9) L L L M(L) M(L) M(L) H H H SW2(F0:Pin8) L M(L) H L M(L) H L M(L) H CKOUT(MHz) 33.8688 33.8688 36.864 33.8688 33.8688 36.864 12.288 12.288 24.576 SW1 Not Used Mar-2010 AKD0999-E-00 -4- 7 6 5 4 3 2 1 U4 hole_L E 1 HOLE0 H10 HOLE0 H9 GND1 GND E HOLE0 H8 HOLE0 H7 HOLE10 H03 GND1 HOLE01 H01 VCC_1 VCC_1 HOLE00 H1 GND1 VCC_2 HOLE09 H02 HOLE10 H02 D HOLE09 H01 HOLE0 H4 D SW3 1 VDD 2 HOLE02 H01 GND1 GND1 HOLE03 H01 Ctantaru 0.1uF C4 HOLE04 H01 C HOLE0 H6 VDD2 Ctantaru 10uF C2 GND2 AK8127 VDD 1 VSS 2 CKIN 3 VSS 4 VDD 5 HOLE10 H01 10 CKOUT2 9 S 8 F0 7 F1 6 CKOUT1 HOLE00 H4 VCC_2 C IC1 2 HOLE06 H03 B hole_L GND2 HOLE03 H02 1 2 GND2 U3 HOLE0 H3 1 ckin GND1 GND2 R7 RES_PIN HOLE0 H15 HOLE0 H14 GND 5 GND4 U1 HOLE06 H02 3 SW HOLE0 H3 (Not Mount) GND3 4 1 VDD SW1 HOLE00 H3 GND2 3 3 SW HOLE05 H01 SMA 1 VDD SW2 HOLE06 H01 VCC_2 3 2 GND2 B SW HOLE07 H02 HOLE0 H5 Ctantaru 0.1uF C3 HOLE08 H02 C1 10uF Ctantaru HOLE07 H01 VDD1 HOLE08 H01 HOLE00 H2 GND2 HOLE0 H13 HOLE0 H12 GND2 HOLE0 H11 A GND2 A Title AKD8127_10PIN Size A Document Number <Doc> Date: 7 6 5 4 3 Rev <RevCode> Monday, July 30, 2007 Sheet 2 1 of 1 1