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TS4962IQT Datasheet(PDF) 1 Page - STMicroelectronics |
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TS4962IQT Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 46 page  January 2007 Rev 7 1/46 1 TS4962 2.8W filter-free mono class D audio power amplifier Features ■ Operating from VCC=2.4V to 5.5V ■ Standby mode active low ■ Output power: 2.8W into 4 Ω and 1.7W into 8Ω with 10% THD+N max and 5V power supply ■ Output power: 2.2W @5V or 0.7W @ 3.0V into 4 Ω with 1% THD+N max. ■ Output power: 1.4W @5V or 0.5W @ 3.0V into 8 Ω with 1% THD+N max. ■ Adjustable gain via external resistors ■ Low current consumption 2mA @ 3V ■ Efficiency: 88% typ. ■ Signal to noise ratio: 85dB typ. ■ PSRR: 63dB typ. @217Hz with 6dB gain ■ PWM base frequency: 280kHz ■ Low pop & click noise ■ Thermal shutdown protection ■ Available in DFN8 3X3 mm package Description The TS4962 is a differential class-D BTL power amplifier. It is able to drive up to 2.2W into a 4 Ω load and 1.4W into a 8 Ω load at 5V. It achieves outstanding efficiency (88% typ.) compared to standard AB-class audio amps. The gain of the device can be controlled via two external gain-setting resistors. Pop & click reduction circuitry provides low on/off switch noise while allowing the device to start within 5ms. A standby function (active low) allows the reduction of current consumption to 10nA typ. Applications ■ Cellular phone ■ PDA ■ Notebook PC DFN8 3x3 mm TS4962IQT - Pinout www.st.com |
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