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TS2007 Folha de dados(PDF) 1 Page - STMicroelectronics |
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TS2007 Folha de dados(HTML) 1 Page - STMicroelectronics |
1 / 29 page May 2011 Doc ID 13123 Rev 4 1/29 29 TS2007 3 W filter-free Class D audio power amplifer with 6-12 dB fixed gain select Features ■ Operating range from VCC = 2.4 V to 5.5 V ■ Standby mode active low ■ Output power: 1.4 W at 5 V or 0.45 W at 3.0 V into 8 Ω with 1% THD+N max. ■ Output power: 2.3 W at 5 V or 0.75 W at 3.0 V into 4 Ω with 1% THD+N max. ■ Fixed gain select: 6 dB or 12 dB ■ Low current consumption ■ Efficiency: 88% typ. ■ Signal-to-noise ratio: 94 dB typ. ■ PSRR: 63 dB typ at 217 Hz with 6 dB gain ■ PWM base frequency: 280 kHz ■ Low pop & click noise ■ Thermal shutdown protection ■ DFN8 3 x 3 mm package Applications ■ Cellular phones ■ PDAs ■ Notebook PCs Description The TS2007 is a class D power audio amplifier. Able to drive up to 1.4 W into an 8 Ω load at 5 V, it achieves outstanding efficiency compared to typical class AB audio power amplifiers. This device allows switching between two different gains: 6 or 12dB via a logic signal on the GS pin. A pop & click reduction circuitry provides low on/off switching noise while allowing the device to start within 5 ms. A standby function (active low) allows lowering the current consumption down to 10 nA typ. The TS2007 is available in DFN8 3 x 3 mm lead- free packages. TS2007IQT - DFN8 TS2007IQT - DFN8 1 2 3 4 8 7 6 5 1 2 3 4 8 7 6 5 www.st.com |
Nº de peça semelhante - TS2007_11 |
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Descrição semelhante - TS2007_11 |
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