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LX1701 Datasheet(PDF) 3 Page - Microsemi Corporation |
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LX1701 Datasheet(HTML) 3 Page - Microsemi Corporation |
3 / 20 page LX1701 PRODUCTION DATA SHEET Microsemi Integrated Products Division 11861 Western Avenue, Garden Grove CA. 92841 714-898-8121, FAX 714-893-2570 Page 3 2W Filterless Mono Class-D Audio Amplifier Copyright © 2004 Rev. 1.0a, 2004-07-09 TM ® SY STEM CHARACT ER ISTICS Unless otherwise specified, the following specifications apply over the operating ambient temperature TA = 25°C except where otherwise noted and the following test conditions: Default settings: 20Hz corner low frequency, 14dB gain. LX1701 Parameter Symbol Test Conditions Min Typ Max Units No Load, VDD = PVDD = 1.8V 0.9 1.2 No Load, VDD = PVDD = 3.3V 1.3 1.8 Supply Current, Quiescent IQQ No Load, VDD = PVDD = 5.0V 2.0 2.5 mA Supply Current, Shutdown Mode IQQSD Disable pin active 1 µA THD+N = 1% 1.3 VDD = PVDD = 5V, Fin = 1kHz THD+N = 10% 1.8 THD+N = 1% 0.5 Output Power @ 8 Ohms PO VDD = PVDD = 3.3V, Fin = 1kHz THD+N = 10% 0.7 W THD+N = 1% 2.1 VDD = PVDD = 5V, Fin = 1kHz THD+N = 10% 2.8 THD+N = 1% 0.9 Output Power @ 4 Ohms PO VDD = PVDD = 3.3V, Fin = 1kHz THD+N = 10% 1.2 W THD+N = 1% 3.0 VDD = PVDD = 5V, Fin = 1kHz THD+N = 10% 3.9 THD+N = 1% 1.3 Output Power @ 2 Ohms PO VDD = PVDD = 3.3V, Fin = 1kHz THD+N = 10% 1.8 W Power Efficiency η VDD = PVDD = 5V, Fin = 1kHz, RL = 8 Ω 85 % Total Harmonic Distortion @ 50% of Max Power THD+N VDD = PVDD = 5V, Fin = 1kHz, RL = 8 Ω 0.09 % Signal-to-Noise Ratio SNR VDD = PVDD = 5V, F = 1KHz, PO = 1W, A-Weighted 99 dB Output Noise Floor VN Input Grounded A-weighted 20-20kHz 25 µVRMS FLO 3dB relative to 1kHz, BW Select = VSS 20 Hz Frequency Response Lower Corner Frequency FHI 3dB relative to 1kHz, BW Select = VDD 300 Hz Frequency Response VDD = PVDD = 1.8 to 5.5V, RL = 4 Ω , PO = 200mW @ 20~80KHz, filterless 3 dB Power Supply Rejection Ratio PSRR VDD = PVDD = 1.8V to 5.5V 65 dB Common Mode Rejection Ratio CMRR VDD = PVDD = 1.8V to 5.5V 70 dB Pin 9 tied to VDD, VDD = PVDD = 1.8V to 5.5V 14 Gain GSYS Pin 9 tied to VSS, VDD = PVDD = 1.8V to 5.5V 8 dB |
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