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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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LM4549VH bảng dữ liệu(PDF) 2 Page - National Semiconductor (TI) |
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LM4549VH bảng dữ liệu(HTML) 2 Page - National Semiconductor (TI) |
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2 / 18 page  Absolute Maximum Ratings (Note 3) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage 6.0V Storage Temperature −65˚C to +150˚C Input Voltage −0.3V to V DD +0.3V ESD Susceptibility (Note 5) 2000V pin 3 750V ESD Susceptibility (Note 6) 200V pin 3 100V Junction Temperature 150˚C Soldering Information TQFP Package Vapor Phase (60 sec.) 215˚C Infrared (15 sec.) 220˚C See AN-450 ″Surface Mounting and their Effects on Product Reliability ″ for other methods of soldering surface mount devices. θ JA (typ) — VBH48A 74˚C/W Operating Ratings Temperature Range T MIN ≤ TA ≤ TMAX −40˚C ≤ T A ≤ 85˚C Analog Supply Range 4.2V ≤ AV DD ≤ 5.5V Digital Supply Range 3.0V ≤ DV DD ≤ 5.5V Electrical Characteristics (Notes 1, 3) The following specifications apply for AV DD = 5V, DVDD = 5V, Fs = 48kHz, single codec configuration, unless otherwise noted. Limits apply for T A= 25˚C. The reference for 0dB is 1Vrms unless otherwise specified. Symbol Parameter Conditions LM4549 Units (Limits) Typical (Note 7) Limit (Note 8) AV DD Analog Supply Range 4.2 V (min) 5.5 V (max) DV DD Digital Supply Range 3.0 V (min) 5.5 V (max) D IDD Digital Quiescent Power Supply Current D VDD =5V 43 mA D VDD = 3.3V 20 mA A IDD Analog Quiescent Power Supply Current 53 mA I DSD Digital Shutdown Current 500 µA I ASD Analog Shutdown Current 30 µA V REF Reference Voltage 2.23 V PSRR Power Supply Rejection Ratio 40 dB Analog Loopthru Mode Dynamic Range (Note 2) CD Input to Line Output, -60dB Input THD+N, A-Weighted 97 90 dB (min) THD Total Harmonic Distortion V O = -3dB, f = 1kHz, RL = 10kΩ 0.01 0.02 % (max) Analog Input Section V IN Line Input Voltage 1 Vrms Mic Input with 20dB Gain 0.1 Vrms Mic Input with 0dB Gain 1 Vrms Xtalk Crosstalk CD Left to Right -95 dB Z IN Input Impedance(Note 2) 40 10 k Ω (min) C IN Input Capacitance 15 pF Interchannel Gain Mismatch CD Left to Right 0.01 dB Record Gain Amplifier - A/D A S Step Size 0dB to 22.5dB 1.5 dB Mixer Section A S Step Size +12dB to -34.5dB 1.5 dB A M Mute Attenuation 86 dB Analog to Digital Converters Resolution 18 Bits www.national.com 2 |
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