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LM4782TA bảng dữ liệu(PDF) 3 Page - National Semiconductor (TI) |
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LM4782TA bảng dữ liệu(HTML) 3 Page - National Semiconductor (TI) |
3 / 26 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 |V +|+|V-| (No Signal) 66V Supply Voltage |V +|+|V-| (Input Signal) 64V Common Mode Input Voltage (V + or V-) and |V +|+|V-| ≤ 54V Differential Input Voltage (Note 13) 54V Output Current Internally Limited Power Dissipation (Note 3) 125W ESD Susceptability (Note 4) 2.0kV ESD Susceptability (Note 5) 200V Junction Temperature (T JMAX) (Note 9) 150˚C Soldering Information TA Package (10 seconds) 260˚C Storage Temperature -40˚C to +150˚C Thermal Resistance θ JA 30˚C/W θ JC 1.0˚C/W Operating Ratings (Notes 1, 2) Temperature Range T MIN ≤ T A ≤ T MAX −20˚C ≤ T A ≤ +85˚C Supply Voltage |V +|+|V-| 20V ≤ V TOTAL ≤ 64V Note: Operation is guaranteed up to 64V; however, distor- tion may be introduced from SPiKe protection circuitry if proper thermal considerations are not taken into account. Refer to the Thermal Considerations section for more information. Electrical Characteristics (Notes 1, 2) The following specifications apply for V + = +25V, V- = −25V, and R L =8 Ω unless otherwise specified. Limits apply for T A = 25˚C. Symbol Parameter Conditions LM4782 Units (Limits) Typical Limit (Note 6) (Notes 7, 8) |V +|+|V-| Power Supply Voltage (Note 10) GND−V - ≥ 9.5V 18 20 64 V (min) V (max) V M Mute Attenuation V MUTE = 2.5V 115 80 dB (min) P O Output Power (RMS) THD+N = 0.5% (max) f = 1kHz; f = 20kHz |V +|=|V-| = 19V, R L =4 Ω |V +|=|V-| = 22V, R L =6 Ω |V +|=|V-| = 25V, R L =8 Ω 20 23 25 15 20 20 W (min) W (min) W (min) THD+N Total Harmonic Distortion + Noise P O = 15W, f = 20Hz - 20kHz A V = 26dB |V +|=|V-| = 19V, R L =4 Ω |V +|=|V-| = 22V, R L =6 Ω |V +|=|V-| = 25V, R L =8 Ω 0.4 0.3 0.2 % % % X talk Channel Separation (Note 11) P O = 10W, f = 1kHz 70 dB P O = 10W, f = 10kHz 60 dB SR Slew Rate V IN = 1.414VRMS,trise = 2ns 18 12 V/µs (min) I DD Total Quiescent Power Supply Current V CM = 0V, VO = 0V, IO =0A V STANDBY = GND, Standby = Off V STANDBY = 5V, Standby = On 75 8 120 10 mA (max) mA (max) V OS Input Offset Voltage V CM = 0V, IO = 0mA 2.0 15 mV (max) I B Input Bias Current V CM = 0V, IO = 0mA 0.2 0.5 µA (max) I O Output Current Limit |V +|=|V-| = 10V, t ON = 10ms, VO = 0V 3.5 2.9 A (min) V OD Output Dropout Voltage (Note 12) |V + -V O|, V + = 20V, I O = +100mA |V O -V -|, V- = -20V, I O = -100mA 1.8 2.5 2.3 3.2 V (max) V (max) PSRR Power Supply Rejection Ratio (Note 15) V + = 25V to 10V, V- = -25V V CM = 0V, IO = 0mA 115 85 dB (min) V + = 25V, V- = -25V to -10V V CM = 0V, IO = 0mA 110 85 dB (min) www.national.com 3 |
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