DRV612 DirectPath™ 2Vrms Line Driver With Programmable Fixed Gain | TI.com

DRV612 (ACTIVE)

DirectPath™ 2Vrms Line Driver With Programmable Fixed Gain

 

Recommended alternative parts

  • DRV603  - The device has the SAME FUNCTIONALITY and PINOUT as the compared device but is NOT an exact equivalent.   3-Vrms Variable Input Gain Line Driver with Diff Inputs
  • DRV602  - The device has the SAME FUNCTIONALITY and PINOUT as the compared device but is NOT an exact equivalent.   3-Vrms Variable Input Gain Line Driver with Diff Inputs
  • DRV632  - The device has the SAME FUNCTIONALITY as the compared device, but is not pin-for-pin equivalent and may not be parametrically equivalent.   2Vrms Line Driver & Headphone Amp with Adjustable Gain

Description

The DRV612 is a single-ended, 2-Vrms stereo line driver designed to reduce component count, board space, and cost. It is ideal for single-supply electronics where size and cost are critical design parameters.

The DRV612 does not require a power supply greater than 3.3 V to generate its 5.6-VPP output, nor does it require a split-rail power supply.

The DRV612 device is designed using TI’s patented DirectPath technology, which integrates a charge pump to generate a negative supply rail that provides a clean, pop-free ground-biased output. The DRV612 is capable of driving 2 Vms into a 600-Ω load. DirectPath technology also allows the removal of the costly output dc-blocking capacitors.

The device has fixed-gain single-ended inputs with a gain-select pin. Using a single resistor on this pin, the designer can choose from 13 internal programmable gain settings to match the line driver with the codec output level. The device also reduces the component count and board space.

Line outputs have ±8-kV HBM ESD protection, enabling a simple ESD protection circuit. The DRV612 has built-in active mute control with more that 80-dB attenuation for pop-free mute on/off control.

The DRV612 is available in a 14-pin TSSOP and 16-pin VQFN. For a footprint-compatible stereo headphone driver, see the TPA6139A2.

Features

  • DirectPath™
    • Eliminates Pops and Clicks
    • Eliminates Output DC-Blocking Capacitors
    • 3-V to 3.6-V Supply Voltage
  • Low Noise and THD
    • SNR > 105 dB at –1× Gain
    • Vn < 12 µVms, 20 Hz to 20 kHz at –1× Gain (Typical)
    • THD+N < 0.003% at 10-kΩ Load and –1× Gain
  • 2-Vrms Output Voltage Into 600-Ω Load
  • Single-Ended Input and Output
  • Programmable Gain Select Reduces Component Count
    • 13× Gain Values
  • Active Mute With More Than 80-dB Attenuation
  • Short-Circuit and Thermal Protection
  • ±8-kV HBM ESD-Protected Outputs

Parametrics

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Part number Order Number of channels (#) Gain (V/V) THD + N @ 1 kHz (%) Noise floor (RTO, 20 kHz BW) (dBu) Load capacitance (µF) Slew rate (Typ) (V/us) Small-Signal bandwidth (Typ) (MHz) Supply (Min) (V) Supply (Max) (V) Iq (Typ) (mA) Operating temperature range (C) Package Group
DRV612 Order now 2     Adjustable     0.007     108.6     220e-6     4.5     8     3     3.6     14     -40 to 85     TSSOP | 14
VQFN | 16    
DRV600 Order now 2     Fixed     0.04     122.7     400e-6     2.2     3.2     1.8     4.5     8     -40 to 85     QFN | 20    
DRV601 Order now 2     Adjustable     0.008     113.3     300e-6     2.2     3.2     1.8     4.5     8     -40 to 85     QFN | 20    
DRV602 Order now 2     Adjustable     0.01     102.8     220e-6     4.5     8     3     5.5     11     -40 to 85     TSSOP | 14    
DRV603 Order now 2     Adjustable     0.001     126.7     220e-6     4.5     8     3     5.5     11     -40 to 85     TSSOP | 14    
DRV604 Order now 4     Adjustable     0.001     122.7     220e-6     4.5     8     3     3.7     11     -40 to 85     HTSSOP | 28    
DRV632 Order now 2     Adjustable     0.002     110.9       4.5     8     3     3.6     14     -40 to 85     TSSOP | 14