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LM4927 Scheda tecnica(PDF) 3 Page - National Semiconductor (TI) |
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LM4927 Scheda tecnica(HTML) 3 Page - National Semiconductor (TI) |
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) 200V Junction Temperature 150˚C Thermal Resistance θ JA (SD) 63˚C/W Soldering Information See AN-1187 Operating Ratings Temperature Range T MIN ≤ T A ≤ T MAX −40˚C ≤ T A ≤ 85˚C Supply Voltage 2.4V ≤ V DD ≤ 5.5V Electrical Characteristics V DD =5V (Notes 1, 2) The following specifications apply for V DD = 5V, AV = 1, and 8 Ω load unless otherwise specified. Limits apply for T A = 25˚C. Symbol Parameter Conditions LM4927 Units (Limits) Typical Limit (Note 6) (Note 7) I DD Quiescent Power Supply Current V IN = 0V, no load V IN = 0V, RL =8 Ω 2.2 2.2 4.5 4.5 mA (max) I SD Shutdown Current V SHUTDOWN = GND 0.1 1 µA (max) P o Output Power THD = 1% (max);f=1kHz R L =4 Ω R L =8 Ω 2.1 1.30 1.20 W (min) THD = 10% (max);f=1kHz R L =4 Ω R L =8 Ω 2.5 1.6 W THD+N Total Harmonic Distortion+Noise P o = 1 Wrms; f = 1kHz 0.03 % PSRR Power Supply Rejection Ratio V ripple = 200mV sine p-p f = 217Hz (Note 8) 90 dB (min) f = 1kHz (Note 8) 85 71 CMRR Common-Mode Rejection Ratio f = 217Hz, V CM = 200mVpp 60 dB V OS Output Offset V IN =0V 4 mV V SDIH Shutdown Voltage Input High 1.4 V (min) V SDIL Shutdown Voltage Input Low 0.4 V (max) SNR Signal-to-noise ratio P O = 1W, f = 1kHz 110 dB R F Internal Feedback Resistance R i = 40k Ω 40 37 k Ω (min) 47 k Ω (max) A V Gain R i = 40k Ω 0 –0.68 1.4 dB (min) dB (max) T WU Wake-up time from Shutdown Cbypass = 1µF 14 ms Electrical Characteristics V DD =3V (Notes 1, 2) The following specifications apply for V DD = 3V, AV = 1, and 8 Ω load unless otherwise specified. Limits apply for T A = 25˚C. Symbol Parameter Conditions LM4927 Units (Limits) Typical Limit (Note 6) (Note 7) I DD Quiescent Power Supply Current V IN = 0V, no load V IN = 0V, RL =8 Ω 2 2 4.3 4.3 mA (max) I SD Shutdown Current V SHUTDOWN = GND 0.1 1 µA (max) www.national.com 3 |
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