Datenblatt-Suchmaschine für elektronische Bauteile |
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TPA6100A2DGK Datenblatt(PDF) 1 Page - Texas Instruments |
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TPA6100A2DGK Datenblatt(HTML) 1 Page - Texas Instruments |
1 / 11 page www.ti.com FEATURES 1 2 3 4 8 7 6 5 BYPASS GND SHUTDOWN IN2– IN1– VO1 VDD VO2 DGK PACKAGE (TOP VIEW) 1 2 3 4 8 7 6 5 BYPASS GND SHUTDOWN IN2– IN1– VO1 VDD VO2 D PACKAGE (TOP VIEW) DESCRIPTION TYPICAL APPLICATION CIRCUIT Audio Input Bias Control 6 7 5 2 VO1 VO2 VDD 3 8 1 4 IN 1− BYPASS SHUTDOWN VDD/4 CI RI RF CB CS Audio Input CI RI IN 2− RF VDD From Shutdown Control Circuit − + − + CC CC R R TPA6100A2D SLOS269B – JUNE 2000 – REVISED SEPTEMBER 2004 50-mW ULTRALOW VOLTAGE STEREO HEADPHONE AUDIO POWER AMPLIFIER • 50-mW Stereo Output • Low Supply Current . . . 0.75 mA • Low Shutdown Current . . . 50 nA • Pin Compatible With LM4881 and TPA102 (1) • Pop Reduction Circuitry • Internal Midrail Generation • Thermal and Short-Circuit Protection • Surface-Mount Packaging – MSOP and SOIC • 1.6-V to 3.6-V Supply Voltage Range (1) The polarity of the SHUTDOWN pin is reversed. The TPA6100A2D is a stereo audio power amplifier packaged in either an 8-pin SOIC package or an 8-pin MSOP package capable of delivering 50 mW of continuous RMS power per channel into 16- Ω loads. Amplifier gain is externally configured by a means of three resistors per input channel and does not require external compensation for settings of 1 to 10. The TPA6100A2D is optimized for battery applications because of its low supply current, shutdown current, and THD+N. To obtain the low-supply voltage range, the TPA6100A2D biases BYPASS to VDD/4. A resistor with a resistance equal to RF must be added from the inputs to ground to allow the output to be biased at VDD/2. When driving a 16- Ω load with 45-mW output power from 3.3 V, THD+N is 0.04% at 1 kHz, and less than 0.2% across the audio band of 20 Hz to 20 kHz. For 28 mW into 32- Ω loads, the THD+N is reduced to less than 0.03% at 1 kHz, and is less than 0.2% across the audio band of 20 Hz to 20 kHz. 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 © 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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