Datenblatt-Suchmaschine für elektronische Bauteile |
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TPA2000D1PWRG4 Datenblatt(PDF) 1 Page - Texas Instruments |
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TPA2000D1PWRG4 Datenblatt(HTML) 1 Page - Texas Instruments |
1 / 20 page GQC PW www.ti.com FEATURES APPLICATIONS 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 INP INN SHUTDOWN GAIN0 GAIN1 PVDD OUTP PGND BYPASS AGND COSC ROSC VDD PVDD OUTN PGND PW PACKAGE (TOP VIEW) MicroStar Juniort (GQC) Package (TOP VIEW) AGND PVDD INN INP NOTE: The shaded terminals are used for thermal connections to the ground plane. BYPASS COSC OUTN PGND NC ROSC VDD PVDD PVDD SHUTDOWN GAIN0 GAIN1 PVDD OUTP NC – No internal connection, still requires a pad for the ball. (SIDE VIEW) A1 B1 C1 D1 E1 F1 G1 A7 B7 C7 D7 E7 F7 G7 A2 A6 DESCRIPTION TPA2000D1 SLOS328F – JUNE 2000 – REVISED MARCH 2004 2-W FILTERLESS MONO CLASS-D AUDIO POWER AMPLIFIER • Modulation Scheme Optimized to Operate Without a Filter • 4 mm × 4 mm MicroStar Junior BGA and TSSOP Package Options • 2 W Into a 4- Ω Speaker (THD+N<1%) • <0.2% THD+N at 1.5 W, 1 kHz, Into a 4- Ω Load • Extremely Efficient Third Generation 5-V Class-D Technology: – Low-Supply Current (No Filter): 4 mA – Low-Supply Current (Filter): 7.5 mA – Low-Shutdown Current: 0.05 µA – Low-Noise Floor: 40 µVRMS (No-Weighting Filter) – Maximum Efficiency Into 8 Ω, 75 - 85 % – 4 Internal Gain Settings: 6 to 23.5 dB – PSRR: -77 dB • Integrated Depop Circuitry • Short-Circuit Protection (Short to Battery, Ground, and Load) • High-Efficiency For Extended Battery Run Time The TPA2000D1 is a 2-W mono bridge-tied-load (BTL) class-D amplifier designed to drive a speaker with at least 4- Ω impedance. The amplifier uses TI's third generation modulation technique, which results in improved efficiency and SNR. It also allows the device to be connected directly to the speaker without the use of the LC output filter commonly associated with class-D amplifiers (this results in EMI that must be shielded at the system level). These features make the device ideal for use in devices where high efficiency is needed to extend battery run time. The gain of the amplifier is controlled by two input terminals, GAIN1 and GAIN0. This allows the amplifier to be configured for a gain of 6, 12, 18, and 23.5 dB. The differential input terminals are high-impedance CMOS inputs, and can be used as summing nodes. The class-D BTL amplifier includes depop circuitry to reduce the amount of turnon pop at power up and when cycling SHUTDOWN. The TPA2000D1 is available in the 16-pin TSSOP and MicroStar Junior™ BGA packages that drive 2 W of continuous output power into a 4- Ω load. TPA2000D1 operates over an ambient temperature range of -40°C to 85 °C. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. MicroStar Junior is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2000–2004, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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