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LM4651 bảng dữ liệu(PDF) 2 Page - National Semiconductor (TI) |
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LM4651 bảng dữ liệu(HTML) 2 Page - National Semiconductor (TI) |
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2 / 20 page  Absolute Maximum Ratings (Notes 1, 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage ± 22V Output Current (LM4652) 10A Power Dissipation (LM4651) (Note 3) 1.5W Power Dissipation (LM4652) (Note 3) 32W ESD Susceptibility (LM4651) (Note 4) 2000V LM4652 (pins 2,6,10,11) 500V ESD Susceptibility (LM4651) (Note 5) 200V LM4652 (pins 2,6,10,11) 100V Junction Temperature (Note 6) 150˚C Soldering Information N, TA and TF Package (10 seconds) 260˚C Storage Temperature −40˚C to + 150˚C Operating Ratings (Notes 1, 2) Temperature Range −40˚C ≤ T A ≤ +85˚C Supply Voltage |V +|+|V−| 22V to 44V Thermal Resistance LM4651 N Package θJA 52˚C/W θJC 22˚C/W LM4652 TF, TO−220 Package θJA 43˚C/W θJC 2.0˚C/W LM4652 T, TO−220 Package θJA 37˚C/W θJC 1.0˚C/W System Electrical Characteristics for LM4651 and LM4652 (Notes 1, 2) The following specifications apply for +V CC = +20V, −VEE = −20V, f SW = 125kHz, fIN = 100Hz, RL =4Ω, unless otherwise specified. Typicals apply for T A = 25˚C. For specific circuit values, refer to Figure 1 (Typical Audio Application Circuit). Symbol Parameter Conditions LM4651 & LM4652 Typical Units I CQ Total Quiescent Power Supply Current V CIN = 0V, L O = 0mA, |IVCC+|+|IVEE−| R DLY =0Ω R DLY = 10kΩ 237 124 mA mA I STBY Standby Current V PIN13 = 5V, Stby: On 17 mA A M Standby Attenuation V PIN13 = 5V, Stby: On >115 dB P O Output Power (Continuous Average) R L =4Ω, 1% THD 125 W R L =4Ω, 10% THD 155 W R L =8Ω, 1% THD 75 W R L =8Ω, 10% THD 90 W f SW = 75kHz, RL =4Ω, 1% THD 135 W f SW = 75kHz, RL =4Ω, 10% THD 170 W η Efficiency at P O =5W P O = 5W, R DLY =5kΩ 55 % η Efficiency (LM4651 & LM4652) P O = 125W, THD = 1% 85 % Pd Power Dissipation (LM4651 + LM4652) P O = 125W, THD = 1% (max) 22 W f SW = 75kHz, PO = 135W, THD = 1% (max) 22 W THD+N Total Harmonic Distortion Plus Noise 10W, 10Hz ≤ f IN ≤ 500Hz, AV =18 dB 10Hz ≤ BW ≤ 80kHz 0.3 % e OUT Output Noise A Weighted, no signal, R L =4Ω 550 µV SNR Signal-to-Noise Ratio A-Wtg, P out = 125W, RL 4Ω 92 dB 22kHz BW, P out = 125W, RL 4Ω 89 dB V OS Output Offset Voltage V IN = 0V, IO = 0mA, ROFFSET =0Ω 0.7 V PSRR Power Supply Rejection Ratio R L =4Ω, 10Hz ≤ BW ≤ 30kHz +V CCAC =−VEEAC =1VRMS,fAC = 120Hz 37 dB www.national.com 2 |
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