DRV602PWR

產品特性：

FEATURES

• DIRECTPATH™ 

– Eliminates Pop/Clicks

– Eliminates Output DC-Blocking Capacitors

– Provides Flat Frequency Response 20Hz–20kHz

• Low Noise and THD

– SNR > 102 dB

– Typical VN < 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 5.6VPP 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). 

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