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LM49350 Datasheet(PDF) 12 Page - Texas Instruments |
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LM49350 Datasheet(HTML) 12 Page - Texas Instruments |
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12 / 108 page  LM49350, LM49350RLEVAL SNAS359D – SEPTEMBER 2008 – REVISED JUNE 2012 www.ti.com 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) AUX Gain = 0dB 0.5 6 mV (max) From Differential Mono Input VOS Output Offset Voltage DAC Gain = 0dB, From DAC Input 1 6 mV (max) fMCLK = 12.288MHz, PLL off TWU Turn-On Time PMC Clock = 300kHz 28 ms AUXILIARY OUTPUTS AUX_LINE_OUT 0.004 % RL = 5kΩ, VOUT = 1VRMS THD+N Total Harmonic Distortion + Noise Earpiece mode, f = 1kHz 0.08 % RL = 32Ω BTL, POUT = 20mW Earpiece mode, f = 1kHz POUT Output Power 58 45 mW (min) RL = 32Ω BTL, THD+N = 1% VRIPPLE = 200mVP-P, fRIPPLE = 217Hz Mono Input terminated, CREF = 1μF 100 dB AUX_LINE_OUT PSRR Power Supply Rejection Ratio VRIPPLE = 200mVP-P, fRIPPLE = 217Hz Mono Input terminated, CREF = 1μF 94 62 dB (min) Earpiece mode Gain = 0dB, VREF = VOUT (1%THD+N) SNR Signal-to-Noise Ratio 100 dB A-weighted, Mono Input Terminated Gain = 0dB, VREF = VOUT (1%THD+N) ∈OUT Output Noise 13 μV A-weighted, Mono Input Terminated Gain = 0dB, From Mono Input 7 mV AUX_LINE_OUT VOS Output Offset Voltage Gain = 0dB, From Mono Input 3 15 mV (max) Earpiece mode TWU Turn-On Time PMC Clock = 300kHz 28 ms STEREO ADC Differential Line Input ADC Total Harmonic Distortion + THD+NADC VIN = 200mVRMS, f = 1kHz 0.03 % Noise Gain = 0dB HPF On, fS = 48kHz 300 Hz Lower -3dB Point PBADC ADC Passband HPF On, Upper -3dB Point 0.41*fS kHz RADC ADC Ripple ADC Compensated 0.1 dB Reference = VOUT (0dBFS ) Gain = 6dB, 90 dB A-weighted From MIC, fS = 8kHz SNRADC ADC Signal-to-Noise Ratio Reference = VOUT (0dBFS ) Gain = 0dB, 94 dB A-weighted From Stereo Input, fS = 48kHz ADCLEVEL ADC Full Scale Input Level 1 VRMS STEREO DAC I2S Input DAC Total Harmonic Distortion + THD+NDAC VIN = 500mFFSRMS, f = 1kHz 0.05 % Noise Gain = 0dB DACLEVEL DAC Full Scale Output Level 1 VRMS RDAC DAC Ripple 0.1 dB PBDAC DAC Passband Upper –3dB Point 0.45*fS kHz SNRDAC DAC Signal-to-Noise Ratio fS = 48kHz, A-weighted 96 dB 12 Submit Documentation Feedback Copyright © 2008–2012, Texas Instruments Incorporated Product Folder Links: LM49350 LM49350RLEVAL |
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Similar Description - LM49350_15 |
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