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TS2007IQT Fiches technique(PDF) 1 Page - STMicroelectronics |
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TS2007IQT Fiches technique(HTML) 1 Page - STMicroelectronics |
1 / 29 page May 2007 Rev 3 1/29 29 TS2007 3W filter-free Class D audio power amplifer with 6-12dB fixed gain select Features ■ Operating range from VCC=2.4V to 5.5V ■ Standby mode active low ■ Output power: 1.4W @5V or 0.45W @ 3.0V into 8 Ω with 1% THD+N max. ■ Output power: 2.3W @5V or 0.75W @ 3.0V into 4 Ω with 1% THD+N max. ■ Fixed gain select: 6dB or 12dB ■ Low current consumption ■ Efficiency: 88% typ. ■ Signal-to-noise ratio: 94dB typ. ■ PSRR: 63dB typ @ 217Hz with 6dB gain. ■ PWM base frequency: 280kHz ■ Low pop & click noise ■ Thermal shutdown protection ■ DFN8 3x3mm package Applications ■ Cellular phone ■ PDA ■ Notebook PC Description The TS2007 is a class D power audio amplifier. Able to drive up to 1.4W into an 8 Ω load at 5V, it achieves outstanding efficiency compared to typical class AB audio power amplifier. This device allows to switch between two different gains: 6 or 12dB via a logic signal on the GS pin. A pop & click reduction circuitry provides low on/off switch noise while allowing the device to start within 5ms. A standby function (active low) allows to lower the current consumption down to 10nA typ. The TS2007 is available in DFN8 3x3mm 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 |
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