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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LM49150TLEVAL датащи(PDF) 7 Page - Texas Instruments |
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LM49150TLEVAL датащи(HTML) 7 Page - Texas Instruments |
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7 / 31 page  LM49150, LM49150TLEVAL www.ti.com SNAS439B – AUGUST 2008 – REVISED MARCH 2009 Electrical Characteristics 5.0V (1)(2) (continued) The following specifications apply for VDD = LSVDD = 5.0V, AV = 0dB, Loudspeaker RL = 15μH+8Ω+15μH, Earpiece RL = 8Ω, f = 1kHz, unless otherwise specified. Limits apply for TA = 25C. LS = Loudspeaker, HP = Headphone, EP = Earpiece. LM49150 Units Symbol Parameter Conditions (Limits) Typical(3) Limits(2) LS Mode 1, THD+N = 1%, f = 1kHz 2.1 W LS Gain = 6dB, RL = 4Ω LS Mode 1, THD+N = 1%, f = 1kHz 1.25 W LS Gain = 6dB, RL = 8Ω HP Mode 8, THD+N = 1%, f = 1kHz PO Output Power 42 mW HP Attenuation = 0dB, RL = 16Ω HP Mode 8, THD+N = 1%, f = 1kHz 42 mW HP Attenuation = 0dB, RL = 32Ω EP Bypass Only, THD+N = 1% 135 mW f = 1kHz, RL = 8Ω LS Mode 1, f = 1kHz 0.015 % POUT = 600mW; RL = 8Ω HP Mode 8, f = 1kHz THD+N Total Harmonic Distortion + Noise 0.01 % POUT = 20mW; RL = 32Ω EP Bypass only, f = 1kHz, 0.08 % POUT = 60mW; RL = 8Ω η Efficiency LS Output 88 % A-weighted, inputs terminated to AC GND, Output referred EP Bypass 10 μV LS; Mode 1 40 μV LS; Mode 2 47 μV ∈OUT Output Noise LS; Mode 3 48 μV HP; Mode 4 9 μV HP; Mode 8 10 μV HP; Mode 12 11 μV VRIPPLE = 200mVPP; f = 217Hz, RL = 8Ω, CB = 2.2µF, All audio inputs terminated to AC GND; output referred EP Bypass 97 dB Loudspeaker Output; LS Gain = 6dB LS; Mode 1 75 dB LS; Mode 2 71 dB PSRR Power Supply Rejection Ratio LS; Mode 3 71 dB Headphone Output, HP Attenuation = 0dB HP; Mode 4 91 dB HP; Mode 8 80 dB HP; Mode 12 79 dB Volume Control Step Size Error ±0.2 dB Maximum Attenuation -92 dB -49 dB (min) Volume Step 2 -46.5 Digital Volume Control Range -44 dB (max) 17 dB (min) Maximum Gain 18 19 dB (max) HP 98 dB AM Mute Attenuation LS 98 dB Maximum gain setting 12 k Ω Mono Channel Input Impedance LIN and RIN Input Impedance Maximum attenuation setting 111 k Ω ZIN 50 k Ω (min) EP Bypass Resistance 62 80 k Ω (max) Copyright © 2008–2009, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: LM49150 LM49150TLEVAL |
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