Product details


Number of channels (#) 1 Architecture DSL Line Driver Total supply voltage (Min) (+5V=5, +/-5V=10) 11.4 Total supply voltage (Max) (+5V=5, +/-5V=10) 12.6 BW @ Acl (MHz) 1100 Acl, min spec gain (V/V) 8.5 Vn at flatband (Typ) (nV/rtHz) 3.5 Vn at 1 kHz (Typ) (nV/rtHz) 3.5 Iq per channel (Typ) (mA) 44.8 Rail-to-rail No Features Shutdown, Adjustable BW/IQ/IOUT Operating temperature range (C) -40 to 85 GBW (Typ) (MHz) 1100 Output current (Typ) (mA) 85 2nd harmonic (dBc) 97 3rd harmonic (dBc) 100 @ MHz 1 open-in-new Find other Line drivers

Package | Pins | Size

VQFN (RSA) 16 16 mm² 4 x 4 open-in-new Find other Line drivers


  • Enables G.Fast 106-MHz, 212-MHz DSL Applications
  • Supports Legacy VDSL and ADSL2+ Applications
  • High MTPR for G.Fast and Legacy Applications (Line Power = 8 dBm):
    • ADSL2+ = 69 dB
    • VDSL-17a = 73 dB
    • VDSL-30a = 69 dB
    • G.Fast 106 MHz = 62 dB
    • G.Fast 212 MHz = 55 dB
  • Multiple Power Modes for Different Profiles
  • Adjustable Bias Current With External Resistor
  • Low-Power Line Termination Mode: 10.2 mA
  • Power-Down Mode
  • 12-V Technology to Support High-Power Output
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The THS6301 is a single-channel, current-feedback architecture, differential line driver that enables G.Fast and different digital subscriber line (DSL) home gateway systems. The device enables
106-MHz and 212-MHz G.Fast digital subscriber line profiles that use native discrete multitone modulation (DMT) signals. The THS6301 functions with high linearity at an 8-dBm line power through 212 MHz.

The unique architecture of this device minimizes quiescent current while providing very high linearity. Internally-fixed bias settings of the amplifier provide power savings for line-driving modes where the full performance of the amplifier is not needed. For further flexibility and power savings, the overall quiescent current is adjustable by a single external bias resistor connected to one of the device pins. The device also features two line-termination modes to maintain impedance matching at very low power consumption.

The device can also be used as a fixed-gain differential amplifier with bandwidth and power-scaling to suit the needs of differential applications.

The device is available in a 4-mm × 4-mm, 16-pin, VQFN package.

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Technical documentation

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Type Title Date
* Data sheet THS6301 G.Fast DSL Line Driver Amplifier With Bandwidth and Power-Scaling Features datasheet (Rev. A) Sep. 11, 2018
User guide THS6301EVM User's Guide Apr. 25, 2018
Application note Noise Analysis for High Speed Op Amps (Rev. A) Jan. 17, 2005

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QFN (RSA) 16 View options

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