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LM49151TL/NOPB Datasheet(PDF) 8 Page - Texas Instruments |
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LM49151TL/NOPB Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 34 page  TI Confidential - NDA Restrictions LM49151 SNAS482F – MARCH 2009 – REVISED MARCH 2013 www.ti.com Electrical Characteristics 5.0V (1)(2) (continued) The following specifications apply for LS and HP VOLUMEGAIN = 0dB, LSGAIN =12dB, HPGAIN = 0dB RL = 8Ω+30µH (Loudspeaker), RL = 32Ω (Headphone), RL = 8Ω (Earpiece), CSET = 0.1µF, ALC disabled, f = 1kHz, unless otherwise specified. Limits apply for TA = 25°C. (Note 7). LM49151 Units Symbol Parameter Conditions (Limits) Typical (3) Limits (4) LS Output, HP Mode –96 dB POUT = 20mW AVMUTE Mute Attention HP Output, LS Mode –96 dB POUT = 250mW MONO, RIN, LIN, Inputs Maximum Gain Setting 13 k Ω RIN Input Resistance Minimum Gain Setting 110 k Ω EP Bypass Mode 62 k Ω f = 1kHz, THD+N = 1% Two channels in phase LS Mode 1 1.25 W PO Output Power HP Mode 8, RL = 16Ω 42 mW HP Mode 8, RL = 32Ω 43 mW EP Bypass Mode, RL = 8Ω 137 mW f = 1kHz LS Mode 1, PO = 600mW 0.015 % THD+N Total Harmonic Distortion + Noise HP Mode 8, PO = 20mW 0.01 % EP Bypass Mode, PO = 60mW 0.09 % f = 217Hz, VRIPPLE = 200mVPP; CB = 2.2µF All audio inputs terminated to AC GND, output referred LS Mode 1, mono input, AV = 6dB 75 dB LS Mode 2, stereo input, AV = 6dB 71 dB LS mode 3, mono + stereo input, AV = 6dB 71 dB PSRR Power Supply Rejection Ratio HP Mode 4, mono input 91 dB HP Mode 8, stereo input 80 dB HP Mode 12, mono + stereo input 79 dB EP Bypass Mode, mono input 97 dB VRIPPLE = 200mVP-P, fRIPPLE = 217Hz, mono input LS Mode 1 55 dB CMRR Common Mode Rejection Ratio HP Mode 4 61 dB EP Bypass Mode 55 dB η Efficiency LS Mode, PO = 1W 88 % XTALK Crosstalk HP Mode 8, PO = 12mW, RL = 32Ω, f = 1kHz 78 dB A-weighted, Inputs AC GND LS Mode 1, mono input 41 µV LS Mode 2, stereo input 41 µV LS Mode 3, mono + stereo input 43 µV εOS Output Noise HP Mode 4, mono input 9 µV HP Mode 8, stereo input 10 µV HP Mode 12, mono + stereo input 12 µV EP Bypass Mode, mono input 11 µV LS Mode 1, PO = 1.25W 96 dB SNR Signal to Noise Ratio HP Mode 4, PO = 40mW 102 dB 8 Submit Documentation Feedback Copyright © 2009–2013, Texas Instruments Incorporated Product Folder Links: LM49151 |
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