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TS4962IJT bảng dữ liệu(PDF) 1 Page - STMicroelectronics |
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TS4962IJT bảng dữ liệu(HTML) 1 Page - STMicroelectronics |
1 / 22 page February 2005 Revision 2 1/22 ■ Operating from Vcc=2.4V to 5.5V ■ Standby mode active low ■ Output power: 3W into 4Ω and 1.75W into 8Ω with 10% THD+N max and 5V power supply. ■ Output power: 2.3W @5V or 0.75W @ 3.0V into 4 Ω with 1% THD+N max. ■ Output power: 1.4W @5V or 0.45W @ 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: 250kHz ■ Low pop & click noise ■ Thermal shutdown protection ■ Available in flip-chip 9 x 300um in lead free* Description The TS4962 is a differential class-D B.T.L. power amplifier. Able to drive up to 2.3W into a 4 Ω load and 1.4W into a 8 Ω load at 5V. It achieves outstanding efficiency (88%typ.) compared to classical AB-class audio amps. 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 to lower the current consumption to 10nA typ. Applications ■ Cellular Phone ■ PDA ■ Notebook PC Pin Connections (top view) Order Codes In- Stdby In+ Out- Out+ Vcc C2 C1 A1 A2 A3 B1 B2 B3 C3 GND Internal Bias PWM Output Bridge H Oscillator 150k 150k + - TS4962EIJT Block Diagram V DD 1/A1 7/C1 8/C2 9/C3 4/B1 6/B3 2/A2 3/A3 5/B2 V DD IN - IN + GND STBY GND OUT + OUT - V DD 1/A1 7/C1 8/C2 9/C3 4/B1 6/B3 2/A2 3/A3 5/B2 V DD IN - IN + GND STBY GND OUT + OUT - IN+: positive differential input IN-: negative differential input VDD: analog power supply GND: power supply ground STBY: standby pin (active low) OUT+: positive differential output OUT-: negative differential output Part Number Temperature Range Package Packaging Marking TS4962IJT -40, +85°C Flip-Chip Tape & Reel A62 TS4962EIJT -40, +85°C Lead -Free Flip-Chip A62 TS4962EKIJT -40, +85°C Lead Free + Back Coating A62 3W Filter-free Class D Audio Power Amplifier This product preview information shows the electrical and mechanical performances of a finalized product. However, details could still be modified. PRELIMINARY DATA TS4962 |
Số phần tương tự - TS4962IJT |
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Mô tả tương tự - TS4962IJT |
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