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User's Guide
SLOU252A – December 2008 – Revised January 2009
DRV603EVM
DRV603EVM
This user’s guide describes the operation of the DRV603 evaluation module. This document also provides
measurement data and design information including a schematic, bill of materials, and printed circuit board
(PCB) layout drawings.
Contents
1 Overview ...................................................................................................................... 2
2 Quick Setup................................................................................................................... 3
3 On/Off Sequence ............................................................................................................ 4
4 Component Selection ....................................................................................................... 5
5 Layout Recommendations .................................................................................................. 6
6 DRV603EVM Performance ................................................................................................. 6
7 Related Documentation from Texas Instruments ...................................................................... 15
8 Design Documentation .................................................................................................... 15
List of Figures
1 DRV603EVM Functional Block Diagram .................................................................................. 3
2 Power-Up/-Down Sequence ................................................................................................ 4
3 Differential Input, Second-Order, Active Low-Pass Filter ............................................................... 5
4 THD+N versus Voltage (Analog Input) .................................................................................... 8
5 THD+N versus Voltage (Digital Input) ..................................................................................... 8
6 THD+N versus Frequency (Analog Input) ................................................................................ 9
7 THD+N versus Frequency (Digital Input, 0 dBFS) ...................................................................... 9
8 FFT Spectrum with –60-dBFS Tone (Analog Input) ................................................................... 10
9 FFT Spectrum with –60-dBFS Tone (Digital Input) .................................................................... 10
10 Idle Noise FFT Spectrum (Analog Input) ................................................................................ 11
11 Idle Noise FFT Spectrum (Digital Input) ................................................................................. 11
12 Channel Separation (Analog Input) ...................................................................................... 12
13 Channel Separation (Digital Input) ....................................................................................... 12
14 Frequency Response (Analog Input) .................................................................................... 13
DirectPath is a trademark of Texas Instruments.
Blu-ray Disc is a trademark of Blu-ray Disc Association.
TOSLINK is a trademark of Toshiba Corporation.
All other trademarks are the property of their respective owners.
SLOU252A – December 2008 – Revised January 2009 DRV603EVM 1
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