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LM49350RLEVAL Arkusz danych(PDF) 11 Page - Texas Instruments |
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LM49350RLEVAL Arkusz danych(HTML) 11 Page - Texas Instruments |
11 / 108 page LM49350, LM49350RLEVAL www.ti.com SNAS359D – SEPTEMBER 2008 – REVISED JUNE 2012 ELECTRICAL CHARACTERISTICS: A_VDD = LS_VDD = 3.3V; D_VDD = I/O_VDD = 1.8V (1)(2) (continued) The following specifications apply for RL(LS) = 8Ω, RL(HP) = 32Ω, f = 1kHz, unless otherwise specified. Limits apply for TA = 25°C. LM49350 Units Symbol Parameter Conditions (Limits) Typical(3) Limit(4) Auxiliary Input Amplifier Quiescent AUXINIDD Stereo Auxiliary Inputs enabled 0.7 mA Current AUX_LINE_OUT enabled 0.5 mA Auxiliary Output Amplifier Quiescent AUXOUTIDD Current Earpiece mode enabled 1.0 mA LOUDSPEAKER AMPLIFIER LSEFF Loudspeaker Efficiency PO = 400mW, RL = 8Ω 83 % PO = 400mW, f = 1kHz, THD+N Total Harmonic Distortion + Noise 0.07 % RL = 8Ω, Mono Input Signal RL = 8Ω, f = 1kHz, THD+N = 1%, Mono Input Signal LS_VDD = 3.3V 495 400 mW (min) LS_VDD = 4.2V 825 mW LS_VDD = 5V 1.2 W PO Output Power RL = 4Ω, f = 1kHz, THD+N = 1%, Mono Input Signal LS_VDD = 3.3V 800 mW LS_VDD = 4.2V 1.4 W LS_VDD = 5V 2 W VRIPPLE = 200mVP-P fRIPPLE = 217Hz PSRR Power Supply Rejection Ration 73 55 dB (min) Mono Input Terminated VREF = 1.0μF Reference = VOUT (1% THD+N ) SNR Signal-to-Noise Ratio Gain = 0dB, A-weighted 95 85 dB (min) Mono Input Terminated eOS Gain = 0dB, A-weighted, Output Noise 35 µV Mono Input Terminated VOS Offset Voltage Gain = 0dB, form Mono Input 10 50 mV (max) TWU Turn-On Time PMC Clock = 300kHz 28 ms HEADPHONE AMPLIFIERS PO = 7.5mW, f = 1kHz, THD+N Total Harmonic Distortion + Noise RL = 32Ω 0.025 0.1 % (max) Stereo Analog Input Signal RL = 32Ω, f = 1kHz, THD+N = 1%, PO Headphone Output Power 69 60 mW (min) Stereo Analog Input Signal VRIPPLE = 200mVP-P, fRIPPLE = 217Hz Stereo Analog Inputs Terminated, PSRR Power Supply Rejection Ratio 97 75 dB (min) VREF = 1.0μF, Mono Differential Input Mode Reference = VOUT (1% THD+N ) Gain = 0dB, A-weighted 106 98 dB (min) Stereo Inputs Terminated SNR Signal-to-Noise Ratio Reference = VOUT (0dBFS ) Gain = 0dB, 96 90 dB (min) A-weighted, I2S Input = Digital Zero Gain = 0dB, A-weighted, 8 µV Stereo Inputs Terminated eOS Output Noise Gain = 0dB, A-weighted, 16 µV I2S Input = Digital Zero PO = 60mW, f = 1kHz, XTALK Crosstalk RL = 32Ω 71 dB Stereo Analog Input Signal ΔACH-CH Channel-to-Channel Gain Matching 0.03 dB Copyright © 2008–2012, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Links: LM49350 LM49350RLEVAL |
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