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LM4918 Datasheet(PDF) 3 Page - National Semiconductor (TI) |
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LM4918 Datasheet(HTML) 3 Page - National Semiconductor (TI) |
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3 / 17 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 (LLP) 51˚C/W See AN-1187 ’Leadless Leadframe Packaging (LLP).’ Operating Ratings Temperature Range T MIN ≤ T A ≤ T MAX −40˚C ≤ T A ≤ +85˚C Supply Voltage 2.7V ≤ V DD ≤ 5.5V Electrical Characteristics Unless otherwise specified, all limits are guaranteed to T j = 25˚C, VDD = 5.0V. Symbol Parameter Conditions LM4918 Units (Limits) Typical Limit Common Portion V DD Supply Voltage 2.7 5.5 V(min) V(max) I DD Quiescent Supply Current V in = 0V, Io = 0A 18 25 mA (max) I SDIH Shutdown Current V SD =VDD 1 2 µA (max) I std-by Stand-By Current V std-by =Vdd 1 2 mA (max) V ih Logic High 0.8xVdd V (min) V il Logic Low 0.2xVdd V (max) AGC Volume AGC Vol max Max gain Vol control in ^ 4.5V 0 0 0.5 -0.5 db(max) dB(min) AGC Vol min Min gain Vol control in % 0.5V -24 -22 -26 dB(max) dB(min) AGC Step Size .75 dB AGC Control Block Vdisch Voltage on Rdisch 1.2 V Idisch Discharge Current on Chold 320 nA Vos Offset Voltage V IN =0V 10 mV Av Inv Inverting amp gain Vagcref = 4.5V 0 ±0.5 dB Std-by Detect Vin Input Sig Threshold Level 14 50 mVpk mVpk Twait Wait time C _STBY = 10µF 10 sec Power Amp Block Vos Output Offset Voltage Vin = 0V 10 40 mV(max) Po Output Power THD = 1%, F = 1kHz, R l =8 Ω 1.1 1.0 W(min) THD+N Total Harmonic Distortion+Noise 20Hz % f ^ 20kHz, Avd = 2, R l =8 Ω,Po=1W 0.3 % PSRR Power Supply Rejection Ratio Vdd = 5V, Vripple = 200mVrms, Rl=8 Ω, Cb = 1.0µF 67 dB Xtalk Channel Separation in SE F = 1kHz, Cb = 1.0µF 60 dB Xtalk Channel Separation in BTL F = 1kHz, Cb = 1.0µF 76 dB SNR Signal to Noise Ratio Vdd = 5V, Po= 1.1W, R l =8 Ω 109 dB www.national.com 3 |
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