PDF FAN7033MP Data sheet ( Hoja de datos )

Número de pieza	FAN7033MP
Descripción	2W Stereo Power Amplifier with Fixed Gain
Fabricantes	Fairchild Semiconductor
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No Preview Available ! www.fairchildsemi.com FAN7033MP 2W Stereo Power Amplifier with Fixed Gain Features • 1.9WRMS and 2.45WRMS Power Per Each Channel Into 4Ω Load With Less Than 1% and 10% THD+N, Respectively • Internally Fixed Gain : 21.6dB(Av=12) • Low Quiescent Current : Typical 5.5mA@5V • Low Shutdown Current : Typical 0.04µA@5V • Fully Differential Input, Which Immunes the Common Mode Noise • Active Low Shutdown Logic • Guaranteed Stability Under No Load Condition • Very Small Volume and Thermally Enhanced Surface- Mount 14MLP Package(4mm*4mm) Typical Applications • Cellular Phones • Notebook Computer • Desktop Computer Description The FAN7033MP is a dual fully differential power amplifier in a thermally enhanced 14-pin MLP package. When deliv- ering 1.9W of continuous RMS power into 4Ω speaker at 5V supply, the FAN7033MP has less than 1% of THD+N over the entire audible frequency range, 20Hz to 20kHz. To save power consumption in the portable applications, the FAN7033MP provides shutdown function. Setting the shut- down pin to ground level, the FAN7033MP falls into shut- down mode and consumes less than 4µA over all supply voltage range, 2.7V to 5.5V. Additional components such as resistors for gain setting and bootstrap capacitors are not needed, making the FAN7033MP well suited for portable sound systems and other hand-held sound equipments. Tar- get applications include the cellular phones, notebook, desk- top computers, etc. 14MLP 1 Internal Block Diagram BOTTOM VIEW RIN- 12 15kΩ 90kΩ RIN+ 4 15kΩ 15kΩ SD 14 LIN+ 6 15kΩ 90kΩ 90kΩ 90kΩ VDD/2 BIAS & CONTROL 90kΩ 15kΩ 90kΩ 90kΩ LIN- 2 15kΩ 15kΩ 15kΩ 90kΩ 13 ROUT+ 10 PVDD1 9 ROUT- 11 VDD 7 BYPASS 8 GND 1 LOUT+ 3 PVDD2 5 LOUT- Rev. 1.0.0 ©2003 Fairchild Semiconductor Corporation 1 page Typical Application Circuits Single-Ended Input RIGHT SE INPUT 1uF CRINN 1uF CRINP ShutDown LEFT SE INPUT CLINP 1uF CLINN 1uF RIN- 12 15kΩ 90kΩ RIN+ 4 15kΩ 15kΩ SD 14 LIN+ 6 15kΩ 90kΩ 90kΩ 90kΩ VDD/2 BIAS & CONTROL 90kΩ 15kΩ 90kΩ 90kΩ LIN- 2 15kΩ 15kΩ 15kΩ 90kΩ FAN7033MP 13 ROUT+ 10 PVDD1 100nF 9 ROUT- 11 VDD 7 BYPASS 1uF 8 GND 220uF 4Ω RIGHT OUTPUT 1 LOUT+ 100nF 3 PVDD2 5 LOUT- 4Ω LEFT OUTPUT 5 5 Page Performance Characteristics(Continued) FAN7033MP 3.0 f=1kHz 2.5 RL=4Ω 2.0 10% THD+N 1.5 1% THD+N 1.0 0.5 0.0 2.5 3.0 3.5 4.0 4.5 5.0 Supply Voltage [V] Figure 25. Output Power vs. Supply Voltage 5.5 2.0 f=1kHz 1.5 RL=8Ω 1.0 0.5 10% THD+N 1% THD+N 0.0 2.5 3.0 3.5 4.0 4.5 5.0 Supply Voltage [V] Figure 26. Output Power vs. Supply Voltage 5.5 2.0 10% THD+N 1.5 VDD=5V f=1kHz 1.0 1% THD+N 0.5 0.0 0 8 16 24 32 40 48 56 RL-Load Resistance [Ω] Figure 27. Output Power vs. Output Load 64 1.2 VDD=3.3V 1.0 f=1kHz 0.8 10% THD+N 0.6 0.4 1% THD+N 0.2 0.0 0 8 16 24 32 40 48 56 RL-Load Resistance [Ω] Figure 28. Output Power vs. Output Load 64 0.7 0.6 VDD=2.7V f=1kHz 0.5 0.4 10% THD+N 0.3 0.2 1% THD+N 0.1 0.0 0 8 16 24 32 40 48 56 RL-Load Resistance [Ω] Figure 29. Output Power vs. Output Load 64 100u 50u VDD=5V 20u RL=4Ω Av=21.6dB 10u 5u 2u 1u 500n 200n 100n 20 50 100 200 500 1k 2k 5k 10k Frequency [Hz] Figure 30. Outut Noise Voltage vs. Frequency 20k 11 11 Page

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