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TPA2037D1YFFT Arkusz danych(PDF) 1 Page - Texas Instruments |
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TPA2037D1YFFT Arkusz danych(HTML) 1 Page - Texas Instruments |
1 / 17 page PWM + – Internal Oscillator H-Bridge Bias Circuitry IN+ IN- EN Cs Tobattery TPA 2037 D1 GND VDD VO+ VO- A1 IN+ A2 GND A3 VO- B1 B2 PVDD B3 PGND VDD C1 IN- C2 EN C3 VO+ TPA2037D1 9-BALL 0.4mmPITCH WAFERCHIP SCALEPACKAGE (YFF) (TOP VIEWOFPCB) 1.214 mm TPA2037D1 www.ti.com SLOS648 – OCTOBER 2009 3.2W Mono Class-D Audio Power Amplifier With 6-dB Gain and Auto Short-Circuit Recovery Check for Samples : TPA2037D1 1 FEATURES APPLICATIONS • Wireless or Cellular Handsets and PDAs • Powerful Mono Class-D Speaker Amplifier • Portable Navigation Devices – 3.24 W (4 Ω, 5 V, 10% THDN) • General Portable Audio Devices – 2.57 W (4 Ω, 5 V, 1% THDN) – 1.80 W (8 Ω, 5 V, 10% THDN) DESCRIPTION – 1.46 W (8 Ω, 5 V, 1% THDN) The TPA2037D1 is a 3.2 W high efficiency filter-free • +6 dB Fixed Gain class-D audio power amplifier (class-D amp) with • Integrated Image Reject Filter for DAC Noise 6 dB of fixed gain in a tiny 1.21 mm x 1.16 mm wafer Reduction chip scale package (WCSP). The device requires only one external component. • Low Output Noise of 20 μV • Low Quiescent Current of 1.5 mA Features like 95% efficiency, 1.5 mA quiescent current, 0.1 μA shutdown current, 81-dB PSRR, • Differential Input Impedance of 300 k Ω 20 μV output noise and improved RF immunity make • Auto-Recovering Short-Circuit Protection the TPA2037D1 class-D amplifier ideal for cellular • Thermal-Overload Protection handsets. A fast start-up time of 4 ms with no audible pop makes the TPA2037D1 ideal for PDA and • Filter-Free Mono Class-D Amp smart-phone applications. • 9-Ball 1,21 mm × 1,16 mm 0,4mm Pitch WCSP APPLICATION CIRCUIT 1 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. PRODUCTION DATA information is current as of publication date. Copyright © 2009, 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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