2-Vrms DirectPath™; pop-free variable input gain line driver


Product details


Gain (V/V) Adjustable Iq (Typ) (mA) 8 Load capacitance (µF) 3.00E-04 Number of channels (#) 2 THD + N @ 1 kHz (%) 0.008 Noise floor (RTO, 20 kHz BW) (dBu) 113.3 Slew rate (Typ) (V/us) 2.2 Small-Signal bandwidth (Typ) (MHz) 3.2 Operating temperature range (C) -40 to 85 open-in-new Find other Audio line drivers

Package | Pins | Size

WQFN (RTJ) 20 16 mm² 4.0 x 4.0 open-in-new Find other Audio line drivers


  • External Gain Setting Resistors
  • Space Saving Package
    • 20-Pin, 4 mm × 4 mm Thin QFN, Thermally Optimized PowerPAD Package
  • Ground-Referenced Outputs Eliminate DC-Blocking Capacitor
    • Reduce Board Area
    • Reduce Component Cost
    • Improve THD+N Performance
    • No Degradation of Low-Frequency Response Due to Output Capacitors
  • Wide Power Supply Range: 1.8 V to 4.5 V
  • 2 Vrms/Ch Output Voltage into 600 at 3.3 V supply
  • Independent Right and Left Channel
    Shutdown Control
  • Short-Circuit and Thermal Protection
  • Pop Reduction Circuitry
    • Set-Top Boxes
    • CD / DVD Players
    • DVD-Receivers
    • HTIB
    • PDP / LCD TV's

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The DRV601 is a 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.

The DRV601 is capable of driving 2 Vrms into a 600- load at 3.3 V. The device has external gain setting resistors, that support a gain range of -1V/V to -10V/V, and line outputs that has ±8-kV IEC ESD protection. The device has independent shutdown control for the right and left audio channels.

The DRV601 is available in a 4 mm × 4 mm Thin QFN package.

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Technical documentation

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Type Title Date
* Datasheet DIRECTPATH (TM) STEREO LINE DRIVER datasheet (Rev. C) Sep. 08, 2009
Application note DAC Post-Filter Design Based on DRV6xx Family (Rev. A) Nov. 23, 2010
User guide DRV601EVM2 - User Guide Mar. 12, 2008
More literature DRV601EVM2 Read me first Feb. 29, 2008
User guide DRV601EVM - User Guide Dec. 26, 2007

Design & development

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Hardware development

document-generic User guide

The DRV601EVM2 customer evaluation module demonstrates the integrated circuits DRV601RTJ from Texas Instruments (TI).

The DRV601 is a stereo line driver designed to allow the removal of the DC-blocking capacitors for reduced component count and cost. The DRV601 is ideal for single supply electronics (...)

  • 2 channel evaluation module (double-sided plated-through PCB layout)
  • 2 Vrms Line Output
  • Digital S/PDIF toslink input
  • Output capacitor less
  • Shutdown button
  • Full documentation on CD ROM
  • Populated EVM Board

Design tools & simulation

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  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
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  • Supports simultaneous analysis of multiple products
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CAD/CAE symbols

Package Pins Download
QFN (RTJ) 20 View options

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