Summary of Contents for EVAL-SSM2317-MINI

Page 1: ...less than 1 THD N driving an 8 Ω load from a single 5 0 V supply The SSM2317 is equipped with a differential mode input port and a high efficiency full H bridge at the output that enables direct coupling of the audio power signal to the loudspeaker The differential mode input stage allows for cancelling of common mode noise The part also features a high efficiency low noise output modulation schem...

Page 2: ...ion 1 Revision History 2 Evaluation Board Hardware 3 Input and Output Configuration 3 Component Selection 3 PCB Layout Guidelines 4 Getting Started 4 Evaluation Board Schematic and Artwork 5 Ordering Information 8 Bill of Materials 8 Ordering Guide 8 ESD Caution 8 REVISION HISTORY 5 09 Revision 0 Initial Version ...

Page 3: ...incoming signal but small enough to filter out unnecessary lower frequency signals For music signals the cutoff frequency is typically between 20 Hz and 30 Hz The cutoff frequency is calculated by C 1 2πRfc where R 10 kΩ Rext the external resistor used to fine tune the desired gain on the schematics see Figure 3 this is the 0 Ω resistor at the input pins fc is the cutoff frequency Output Ferrite B...

Page 4: ...ottom layer see Figure 5 Traces and Solder Resist All traces between adjacent pads must be covered with solder resist Traces should come symmetrically off the pads Use 5 mils traces at the SSM2317 pads to prevent the solder from escaping Top Layer Copper Land and Ground Pouring The output peak current of this amplifier is more than 1 A therefore PCB traces should be wide 2 mm to handle high curren...

Page 5: ...4 003 IN OUT IN 1B 1A IN IN P1 P2 3C OUT OUT 3B OUT SD GND ALC_EN VTH 2A 2B 3A VDD 1C 2C U1 SSM2317 C1 0 1µF C3 1nF C4 1nF C2 0 1µF R3 6 98kΩ G1 GAP R2 100kΩ R1 100kΩ VDD VDD C7 0 1µF C5 10µF P1 P6 VDD P3 P4 L1 B0603 L2 B0603 Figure 3 Schematic of the SSM2317 MINI Evaluation Board ...

Page 6: ... 004 Figure 4 Top Layer with Top Silkscreen 07824 005 Figure 5 Bottom Layer with Bottom Silkscreen Mirror Image 07824 006 Figure 6 Top Silkscreen 07824 007 Figure 7 Top Layer 07824 008 Figure 8 Top Layer 07824 009 Figure 9 Layer 2 Ground Plane ...

Page 7: ...EVAL SSM2317 MINI Rev 0 Page 7 of 8 07824 010 Figure 10 Layer 3 Power Plane 07824 011 Figure 11 Bottom Layer 07824 012 Figure 12 All Layer Silkscreen ...

Page 8: ... Murata GRM31MF51A106ZA01L 1 G1 GAP N A 2 L1 L2 Ferrite chip B0603 220 Ω 2 A TDK MPZ1608S221A 6 P1 P2 P3 P4 P5 P6 PAD1 N A 2 R1 R2 Resistor 100 kΩ Panasonic ERJ 1GEF1003C 1 R3 Resistor 6 98 kΩ Panasonic ERJ 1GEF6981C 1 U1 SSM2317 Analog Devices SSM2317 ORDERING GUIDE Model Description SSM2317 MINI EVALZ1 Evaluation Board 1 Z RoHS Compliant Part ESD CAUTION 2009 Analog Devices Inc All rights reserv...

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