DRV602 - 具有差动输入的 2Vrm DirectPath? 无杂声可变输入增益线路驱动器

DRV602是TI德州仪器公司的一款2V/3Vrms线路驱动器产品，DRV602是具有差动输入的 2Vrm DirectPath? 无杂声可变输入增益线路驱动器，本站介绍了DRV602的封装应用图解、特点和优点、功能等，并给出了与DRV602相关的TI元器件型号供参考。

DRV602 - 具有差动输入的 2Vrm DirectPath? 无杂声可变输入增益线路驱动器 - 2V/3Vrms线路驱动器 - 低功耗放大器 - 德州仪器

产品描述

The DRV602PW is a 3Vrms pop-free 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 3Vrms into a 2.5k load with 5V 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 built-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 3Vrms output. The DRV602 doesn't require a power supply greater than 5V to generate its 8.5VPP 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-free ground biased 3Vrms 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).

For a stereo line and stereo HP driver see DRV604 (SLOS659).

产品特性

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
Output Voltage into 2.5-k Load
- 2 Vrms with 3.3-V Supply Voltage
- 3 Vrms with 5-V Supply Voltage
3Vrms Output Voltage into 2.5 k Load With 5V Supply Voltage
Differential Input
APPLICATIONS
- Set-Top Boxes
- PDP / LCD TV
- Blu-ray Disc™, DVD-Players
- Home Theater in a Box

DirectPath, TI FilterPro are trademarks of Texas Instruments. Blu-ray Disc is a trademark of Blu-ray Disc Association. All other trademarks are the property of their respective owners.

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