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LM4755 bảng dữ liệu(PDF) 3 Page - National Semiconductor (TI) |
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LM4755 bảng dữ liệu(HTML) 3 Page - National Semiconductor (TI) |
3 / 23 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 40V Input Voltage ±0.7V Output Current Internally Limited Power Dissipation (Note 3) 62.5W ESD Susceptability (Note 4) 2 kV Junction Temperature 150˚C Soldering Information T Package (10 seconds) 250˚C Storage Temperature −40˚C to 150˚C Operating Ratings Temperature Range T MIN ≤ T A ≤ T MAX −40˚C ≤ T A ≤ +85˚C Supply Voltage 9V to 32V θ JC 2˚C/W θ JA 76˚C/W Electrical Characteristics The following specifications apply to each channel with V CC = 24V, TA = 25˚C unless otherwise specified. Symbol Parameter Conditions LM4755 Units (Limits) Typical (Note 5) Limit I TOTAL Total Quiescent Power Supply Current Mute Off 10 15 mA(max) 7 mA(min) Mute On 7 mA P O Output Power (Continuous Average per Channel) f = 1 kHz, THD+N = 10%, R L =8 Ω 7W f = 1 kHz, THD+N = 10%, R L =4 Ω 11 10 W(min) V S = 20V, RL =8 Ω 4W V S = 20V, RL =4 Ω 7W f = 1 kHz, THD+N = 10%, R L =4 Ω V S = 12V, TO-263 Pkg. 2.5 W THD Total Harmonic Distortion f = 1 kHz, P O = 1 W/ch, RL =8 Ω 0.08 % V OSW Output Swing P O = 10W, RL =8 Ω 15 V P O = 10W, RL =4 Ω 14 V X TALK Channel Separation See Apps. Circuit 55 dB f = 1 kHz, V O = 4 Vrms PSRR Power Supply Rejection Ratio See Apps. Circuit 50 dB f = 120 Hz, V O = 1 mVrms V ODV Differential DC Output Offset Voltage V IN = 0V 0.09 0.4 V(max) SR Slew Rate 2 V/µs R IN Input Impedance 83 k Ω PBW Power Bandwidth 3 dB BW at P O = 2.5W, RL =8 Ω 65 kHz A VCL Closed Loop Gain (Internally Set) R L =8 Ω 34 33 dB(min) 35 dB(max) e IN Noise IHF-A Weighting Filter, R L =8 Ω Output Referred 0.2 mVrms I O Output Short Circuit Limit V IN = 0.5V, RL =2 Ω 2 A(min) Mute Pin V IL Mute Low Input Voltage Not in Mute Mode 0.8 V(max) V IH Mute High Input Voltage In Mute Mode 2.0 2.5 V(min) A M Mute Attenuation V MUTE = 5.0V 80 dB www.national.com 3 |
Số phần tương tự - LM4755_02 |
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Mô tả tương tự - LM4755_02 |
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