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TPA6120A2 数据表(PDF) 1 Page - Texas Instruments |
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TPA6120A2 数据表(HTML) 1 Page - Texas Instruments |
1 / 31 page Filter and I/V Gain Stage Stereo Hi−Fi Headphone Driver TPA6120A2 DYR > 120 dB for Whole System! OUT A OUT B OUT C OUT D CF 2.7 nF RF LIN− LIN+ RF RIN− RIN+ RI 1 kW 1 kW LOUT ROUT 1 kW RF RO 39.2 W RO 1 kW RF RF 1 kW RI 1 kW RI 1 kW RI 1 kW CF 2.7 nF RF 1 kW 1 kW CF 2.7 nF RF CF 2.7 nF RF 1 kW 1 kW 1/2 OPA4134 1/2 OPA4134 −IN A −IN B +IN B +IN A −IN C −IN D +IN D +IN C PCM Audio Data Source Controller PCM1792 or DSD1792 LRCK BCK DATA RST SCK MDO MC MDI MS ZEROL ZEROR IOUT L− IOUT L+ IOUT R− IOUT R+ AUDIO DAC 39.2 W Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPA6120A2 SLOS431B – MARCH 2004 – REVISED FEBRUARY 2015 TPA6120A2 High Fidelity Headphone Amplifier 1 Features 3 Description In applications requiring a high-power output, very 1 • SNR of 128dB A-Weighted. high fidelity headphone amplifier, the TPA6120A2 • THD of 112.5dB replaces a costly discrete design and allows music, • Current-Feedback Architecture not the amplifier, to be heard. The TPA6120A2's current-feedback AB amplifier architecture delivers • Output Voltage Noise of 0.9µVrms at high bandwidth, extremely low noise, and up to Gain = 1V/V (16 Ω Load) 128dB of dynamic range. • Power Supply Range: ±5V to ±15V Three key features make current-feedback amplifiers • 1300V/µs Slew Rate outstanding for audio. The first feature is the high • Can be configured for Single Ended or Differential slew rate that prevents odd order distortion Inputs anomalies. The second feature is current-on-demand • Independent Power Supplies for Low Crosstalk at the output that enables the amplifier to respond quickly and linearly when necessary without risk of output distortion. When large amounts of output 2 Applications power are suddenly needed, the amplifier can • Professional Audio Equipment respond extremely quickly without raising the noise • HiFi Smartphone floor of the system and degrading the signal-to-noise ratio. The third feature is the gain-independent • Consumer Home Audio Equipment frequency response that allows the full bandwidth of • Headphone Drivers the amplifier to be used over a wide range of gain settings. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) HSOP (20) 7.5mm x 12.82mm TPA6120A2 VQFN (14) 3.5mm x 3.5mm (1) For all available packages, see the orderable addendum at the end of the datasheet. 4 Simplified Schematic 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
类似零件编号 - TPA6120A2 |
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类似说明 - TPA6120A2 |
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