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LM4834 Datasheet(PDF) 2 Page - National Semiconductor (TI) |
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LM4834 Datasheet(HTML) 2 Page - National Semiconductor (TI) |
2 / 12 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 Internally limited ESD Susceptibility (Note 4) 2000V Pin 5 1500V ESD Susceptibility (Note 5) 200V Junction Temperature 150˚C Soldering Information Small Outline Package Vapor Phase (60 sec.) 215˚C Infrared (15 sec.) 220˚C See AN-450 “Surface Mounting and their Effects on Product Reliability” for other methods of soldering surface mount devices. θ JC (typ) — MSA028CB 29˚C/W θ JA (typ) — MSA028CB 95˚C/W Operating Ratings Temperature Range T MIN ≤ TA ≤TMAX −40˚C ≤TA ≤ 85˚C Supply Voltage 4.5 ≤ V DD ≤ 5.5V Electrical Characteristics for Entire IC (Notes 1, 2) The following specifications apply for V DD = 5V unless otherwise noted. Limits apply for TA= 25˚C. Symbol Parameter Conditions LM4834 Units (Limits) Typical (Note 6) Limit (Note 7) V DD Supply Voltage 4.5 V (min) 5.5 V (max) I DD Quiescent Power Supply Current V IN = 0V, IO= 0A 17.5 26 mA (max) I SD Shutdown Current V pin13 =VDD 0.6 2.0 µA (max) Electrical Characteristics for Volume Attenuators (Notes 1, 2) The following specifications apply for V DD = 5V. Limits apply for TA = 25˚C. Symbol Parameter Conditions LM4834 Units (Limits) Typical (Note 6) Limit (Note 7) C RANGE Attenuator Range Gain with V pin 22 = 5V 2.6 3.65 dB (max) Attenuation with V pin 22 = 0V -75 -88 dB (min) A M Mute Attenuation V pin 15 = 5V, Sum Out -92 -105 dB (max) V pin 15 = 5V, Line Out/Headphone Amp -92 -105 dB (max) Electrical Characteristics for Microphone Preamp and Power Supply (Notes 1, 2) The following specifications apply forV DD = 5V unless otherwise noted. Limits apply for TA= 25˚C. Symbol Parameter Conditions LM4834 Units (Limits) Typical (Note 6) Limit (Note 7) V OS Offset Voltage V IN = 0V 0.9 mV SNR Signal to Noise Ratio V DD = 5V, RL =1k,f=1 kHz, VOUT = 4.7V, A-Wtd Filter 123 dB V SWING Output Voltage Swing f = 1 kHz, THD < 1.0%,R L =1kΩ 4.72 V E NO Input Referred Noise A-Weighted Filter 1.2 µV PSRR Power Supply Rejection Ratio f = 120 Hz, V RIPPLE= 200 mVrms, C B=1µF 28 dB V S Mic Power Supply R L =1kΩ, Bias In = 2.5V 2.5 2.5 V (min) www.national.com 2 |
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