capacitors in audio applications to reduce component count and overall cost. The device is ideal for
single-supply electronics where size and cost are critical design parameters.

Designed using TI’s patented DirectPath™ technology, the DRV602 is able to drive 2 V

RMS

into a 2.5-k

load with 3.3-V supply voltage. The device has differential inputs and uses external gain-setting resistors
that support a gain range of

1 V/V to

10 V/V, and line outputs that have

8 kV IEC electrostatic

discharge (ESD) protection. The DRV602 also has built-in shutdown control for pop-free on/off control.

Using the DRV602 in audio product applications can reduce component counts considerably compared to
traditional methods of generating a 2-V

RMS

output. The DRV602 does not require a power supply greater

than 3.3 V to generate its 5.6-V

output, nor does it require a split-rail power supply. The DRV602

integrates its own charge pump to generate a negative supply rail that provides a clean, pop-free,
ground-biased 2-V

RMS

output. The DRV602 is available in a 14-pin TSSOP package.

This EVM is configured with two RCA phono input connectors for analog input; the output signal is
available on two RCA phono connectors. The power supply is connected via a two-pin, 2,54-mm header.

This evaluation board is designed for testing applications such as set-top boxes, LCD/PDP TVs, Blu-ray
Disc™ DVD players, DVD mini-component systems, home theater-in-a-box (HTIB) systems, or
soundcards.

This document presents EVM specifications, audio performance measurements graphs, and design
documentation that includes complete circuit descriptions, schematic diagrams, a parts list, and PCB
layout design. Gerber (layout) files are available from the TI web site at

www.ti.com

Throughout this document, the abbreviation EVM and the term evaluation module are synonymous with
the DRV602EVM2.

DRV602EVM2

SLOU248A – December 2008 – Revised January 2009

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