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LM4935 数据表(PDF) 10 Page - National Semiconductor (TI) |
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LM4935 数据表(HTML) 10 Page - National Semiconductor (TI) |
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10 / 112 page  10.0 Electrical Characteristics (Notes 1, 2) Unless otherwise stated PLL_V DD = 3.3V, D_VDD = 3.3V, BB_VDD = 1.8V, A_VDD = 3.3V, LS_VDD = 3.3V. The following specifications apply for the circuit shown in Figure 2 unless otherwise stated. Limits apply for 25˚C. (Continued) Symbol Parameter Conditions LM4935 Units Typical (Note 6) Limit (Note 7) HEADPHONE AMPLIFIER SNR HP Signal to Noise Ratio From 0dB Analog AUX input A-weighted SE Mode 98 dB OCL Mode VCM = 1.2V 97 dB OCL Mode VCM = 1.5V 96 dB HP THD+N Headphone Harmonic Distortion 32 Ω load, 3.3V, P O = 7.5mW 0.05 % e N Output Noise A-weighted 12 µV ∆A CH-CH Stereo Channel-to-Channel Gain Mismatch 0.3 dB X TALK Stereo Crosstalk SE Mode 61 dB OCL Mode 63 dB EARPIECE AMPLIFIER P EP Earpiece Power 32 Ω load, 3.3V 115 100 mW (min) 16 Ω load, 3.3V 150 mW PSRR EP Power Supply Rejection Ratio (Earpiece) AUX inputs terminated C BYPASS = 1.0 µF V RIPPLE = 200 mVP-P F RIPPLE = 217 Hz 65 dB SNR EP Signal to Noise Ratio From 0dB Analog AUX input, A-weighted 98 dB EP THD+N Earpiece Harmonic Distortion 32 Ω load, 3.3V, P O = 50mW 0.04 % e N Output Noise A-weighted 24 µV V OS Offset Voltage 15 mV AUXOUT AMPLIFIER THD+N Total Harmonic Distortion + Noise V O =1VRMS,5k Ω load 0.02 % PSRR Power Supply Rejection Ratio AUX inputs terminated C BYPASS = 1.0µF V RIPPLE = 200mVPP f RIPPLE = 217Hz 70 dB CP_OUT AMPLIFIER THD+N Total Harmonic Distortion + Noise V O =1VRMS,5k Ω load 0.02 % PSRR Power SUpply Rejection Ratio C BYPASS = 1.0µF V RIPPLE = 200mVPP f RIPPLE = 217Hz 68 dB MONO ADC R ADC ADC Ripple ±0.25 dB PB ADC ADC Passband Lower (HPF Mode 1), f S = 8 kHz 300 Hz Upper 3470 Hz SBA ADC ADC Stopband Attenuation Above Passband 60 dB HPF Notch, 50 Hz/60 Hz (worst case) 58 dB SNR ADC ADC Signal to Noise Ratio From CPI, A-weighted 90 dB ADC LEVEL ADC Full Scale Input Level 1 V RMS www.national.com 10 |
类似零件编号 - LM4935 |
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类似说明 - LM4935 |
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