DRV602 Datasheet, PDF (1/12 Pages) Texas Instruments – DIRECTPATH™, 2Vrms Line Driver with Adjustable gain

DRV602
www.ti.com ........................................................................................................................................................................................... SLOS572 – DECEMBER 2008
DIRECTPATH™, 2Vrms Line Driver with Adjustable gain
FEATURES
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•234 DIRECTPATH™
– Eliminates Pop/Clicks
– Eliminates Output DC-Blocking Capacitors
– Provides Flat Frequency Response
20Hz–20kHz
• Low Noise and THD
– SNR > 102 dB
– Typical V_N < 15 µVms
– THD+N < 0.05% 20 Hz–20 kHz
• 2Vrms Output Voltage into 2.5 kΩR Load With
3.3V Supply Voltage
• Differential Input
APPLICATIONS
• Set-Top Boxes
• PDP / LCD TV
• Blu-ray Disc™, DVD-Players
• Home Theater in a Box
DESCRIPTION
The DRV602PW is a 2Vrms Pop-less stereo line
driver designed to allow the removal of the output
dc-blocking capacitors for reduced component count
and 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 capable of driving 2Vrms
into a 2.5kΩ load with 3.3V supply voltage. The
device has differential inputs and uses external gain
setting resistors, that supports a gain range of ±1V/V
to ±10V/V. The use of external gain resistors also
allows the implementation of a 2nd order low pass
filter to compliment DAC's and SOC converters. The
line output of the DRV602 has ±8kV IEC ESD
protection. The DRV602 (referred to as the '602) has
build-in shutdown control for pop-free on/off control.
Using the DRV602 in audio products can reduce
component count compared to traditional methods of
generating a 2Vrms output. The DRV602 doesn't
require a power supply greater than 3.3V to generate
its 5.6V_PP 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-less ground biased 2Vrms output.
The DRV602 is available in a 14 pin TSSOP
package.
If higher SNR, trimmed DC-offset and external
undervoltage-mute functions are beneficial in the
application, TI recommends the footprint compatible
DRV603 (SLOS617).
DAC
SOC
DAC
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+
DRV602
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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
DIRECTPATH, TI FilterPro are trademarks of Texas Instruments.
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Blu-ray Disc is a trademark of Blu-ray Disc Association.
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All other trademarks are the property of their respective owners.
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PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2008, Texas Instruments Incorporated