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LM4830M bảng dữ liệu(PDF) 3 Page - National Semiconductor (TI) |
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LM4830M bảng dữ liệu(HTML) 3 Page - National Semiconductor (TI) |
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3 / 14 page  Absolute Maximum Ratings (Note 2) 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 Power Dissipation (Note 3) Internally Limited ESD Susceptibility (Note 4) 2000V ESD Susceptibility (Note 5) 250V Junction Temperature 150˚C Soldering Information Small Outline 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. Operating Ratings Temperature Range T MIN ≤ TA ≤ TMAX −40˚C ≤ T A ≤ 85˚C Supply Voltage 2.7V ≤ V DD ≤ 5.5V θ JC (typ) — M24B 32˚C/W θ JA (typ) — M24B 79˚C/W θ JC (typ) — N24A 21˚C/W θ JA (typ) — N24A 61˚C/W Electrical Characteristics (Notes 1, 2) The following specifications apply for V DD= 5V, unless otherwise specified. Limits apply for TA= 25˚C. Symbol Parameter Conditions LM4830 Units (Limits) Typical Limit (Note 6) (Note 7) POWER AMPLIFIER, A1 I DD Quiescent Power Supply Current V O = 0V, IO = 0A, RL = ∞ 5.8 mA (min) 11.0 20.0 mA (max) Bridged R L = 8Ω 11.4 mA HS = 5V, SD = 0V, V O1 On Only 7.9 mA I SD Shutdown Current HS = 5V, SD = 5V, IC Off 0.5 2.0 µA (max) V OS Output Offset Voltage V IN = 0V 0.7 50.0 mV (max) e IN Input Noise IHF-A Weighting Filter, R S = 25Ω Bridged Output, V O1–VO2,RL = 8Ω 30 µV Single-Ended Output, V O1,RL = 32Ω 16 µV P O Output Power, Bridged THD = 1% (max); f = 1 kHz, R L = 8Ω 1.15 1.0 W (min) THD+N = 10%;f = 1 kHz, R L = 8Ω 1.4 W THD+N = 10%;f = 1 kHz, R L = 4Ω 2W THD Total Harmonic Distortion f = 1 kHz, Attenuation @ 0dB P O = 1.5W, RL = 4Ω 0.2 % P O = 1W, RL = 8Ω 0.2 % V O1 On Only, VO = 60 mV, RL = 32Ω 0.06 % Attenuation Step Size Error 0 dB to −30 dB ±0.5 dB Absolute Attenuation Attenuation @ 0dB ±0.5 dB Attenuation @ −30 dB ±1.0 dB R IN Power Amp Input Resistance 40 k Ω DIGITAL INPUTS V IH High Input Voltage CMOS Compatible Only 4.5 V V IL Low Input Voltage CMOS Compatible Only 0.5 V PREAMP, A2 R IN Mic1 and Mic2 Input Resistance 21.5 k Ω V OS Output Offset Voltage V IN = 0V 2.0 mV e IN Input Noise IHF-A Weighting Filter, R S = 25Ω 1.3 10.0 µV (max) THD Total Harmonic Distortion A VCL = 100, VIN = 10 mVrms, f = 1 kHz 0.06 % A VCL = −1, PO = 50 mW, f = 1 kHz, RL = 32 Ω 0.02 (Refer to Figure 2 ) www.national.com 3 |
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