- 制造厂商：TI
- 产品类别：音频
- 技术类目：音频放大器 - 音频线路驱动器
- 功能描述：3Vrm DirectPath 无杂声可变输入增益线路驱动器
- 点击这里打开及下载DRV602的技术文档资料
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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).
- 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.
- Gain (V/V)
- Adjustable
- Iq (Typ) (mA)
- 11
- Load capacitance (μF)
- 2.20E-04
- Number of channels (#)
- 2
- THD + N @ 1 kHz (%)
- 0.01
- Noise floor (RTO, 20 kHz BW) (dBu)
- 102.8
- Slew rate (Typ) (V/us)
- 4.5
- Small-Signal bandwidth (Typ) (MHz)
- 8
- Operating temperature range (C)
- -40 to 85
DRV602的完整型号有：DRV602PW、DRV602PWR，以下是这些产品的关键参数及官网采购报价：
DRV602PW，工作温度：-40 to 85，封装：TSSOP (PW)-14，包装数量MPQ：90个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网DRV602PW的批量USD价格：0.468（1000+）
DRV602PWR，工作温度：-40 to 85，封装：TSSOP (PW)-14，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网DRV602PWR的批量USD价格：0.39（1000+）
DRV602EVM2 — DRV602 评估模块 (EVM)
DRV602EVM2 客户评估模块演示了德州仪器 (TI) 的 DRV602 集成电路。
DRV602 是 2VRMS 无杂音立体声线路驱动器，旨在消除输出直流阻隔电容器的使用，以便减少组件数和成本。该器件是单电源电子产品的理想选择，对于这类产品，大小和成本是关键设计参数。
采用 TI 的 DIRECTPATH™ 专利技术设计，DRV602 能够使用 3.3V 电源电压为 2.5kΩ 负载驱动 2VRMS。该器件采用差动输入并使用外部增益设置电阻，支持 +/-1V/V 至 +/-10V/V 的增益范围，其线路输出具有 +/-8kV IEC ESD (...)
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