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LM49370 датащи(PDF) 8 Page - Texas Instruments |
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LM49370 датащи(HTML) 8 Page - Texas Instruments |
8 / 90 page LM49370 SNAS356D – FEBRUARY 2007 – REVISED MARCH 2012 www.ti.com Electrical Characteristics (1)(2) (continued) Unless otherwise stated PLL_VDD = 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. LM49370 Symbol Parameter Conditions Units Limit(4) Typical(3) (5) HEADPHONE AMPLIFIER mW 32 Ω load, 3.3V, SE 33 25 (min) 16 Ω load, 3.3V, SE 52 mW 32 Ω load, 3.3V, OCL, VCM = 1.5V 31 mW PHP Headphone Power 32 Ω load, 3.3V, OCL, VCM = 1.2V 20 mW 16 Ω load, 3.3V, OCL, VCM = 1.5V 50 mW 16 Ω load, 3.3V, OCL, VCM = 1.2V 32 mW AUX inputs terminated CBYPASS = 1.0 µF VRIPPLE = 200 mVP-P fRIPPLE = 217 Hz Power Supply Rejection Ratio SE Mode 60 dB PSRRHP (Headphones) OCL Mode 68 55 dB(min) VCM = 1.2V OCL Mode 65 dB VCM = 1.5V From 0dB Analog AUX input A-weighted SE Mode 98 dB SNRHP Signal to Noise Ratio OCL Mode 97 dB VCM = 1.2V OCL Mode 96 dB VCM = 1.5V HPTHD+N Headphone Harmonic Distortion 32 Ω load, 3.3V, PO = 7.5mW 0.05 % eN Output Noise A-weighted 12 µV Stereo Channel-to-Channel Gain ΔACH-CH 0.3 dB Mismatch SE Mode 61 dB XTALK Stereo Crosstalk OCL Mode 71 dB VOS Offset Voltage 8 mV EARPIECE AMPLIFIER mW 32 Ω load, 3.3V 115 100 (min) PEP Earpiece Power 16 Ω load, 3.3V 150 mW CP_IN terminated CBYPASS = 1.0 µF PSRREP Power Supply Rejection Ratio (Earpiece) 76 dB VRIPPLE = 200 mVP-P FRIPPLE = 217 Hz SNREP Signal to Noise Ratio From 0dB Analog AUX input, A-weighted 93 dB EPTHD+N Earpiece Harmonic Distortion 32 Ω load, 3.3V, PO = 50mW 0.04 % eN Output Noise A-weighted 41 µV VOS Offset Voltage 8 mV AUXOUT AMPLIFIER THD+N Total Harmonic Distortion + Noise VO = 1VRMS, 5kΩ load 0.02 % CP_IN terminated CBYPASS = 1.0μF PSRR Power Supply Rejection Ratio 86 dB VRIPPLE = 200mVPP fRIPPLE = 217Hz 8 Submit Documentation Feedback Copyright © 2007–2012, Texas Instruments Incorporated Product Folder Links: LM49370 |
Аналогичный номер детали - LM49370_14 |
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Аналогичное описание - LM49370_14 |
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