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LM4840LQ bảng dữ liệu(PDF) 3 Page - National Semiconductor (TI) |
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LM4840LQ bảng dữ liệu(HTML) 3 Page - National Semiconductor (TI) |
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3 / 19 page  Absolute Maximum Ratings (Note 10) 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 12) 2000V ESD Susceptibility (Note 13) 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. See AN-1187 “Leadless Leadframe Package” for detailed information on usage of LLP devices. θ JC (typ) — LQA028A (Note 16) 3˚C/W θ JA (typ) — LQA028A (Note 16) 42˚C/W θ JC (typ) — MTC28 20˚C/W θ JA (typ) — MTC28 80˚C/W θ JC (typ) — MXA28A 2˚C/W θ JA (typ) — MXA28A (Note 4) 41˚C/W θ JA (typ) — MXA28A (Note 3) 54˚C/W θ JA (typ) — MXA28A (Note 5) 59˚C/W θ JA (typ) — MXA28A (Note 6) 93˚C/W Operating Ratings Temperature Range T MIN ≤ TA ≤TMAX −40˚C ≤TA ≤ 85˚C Supply Voltage 2.7V ≤ V DD ≤ 5.5V Electrical Characteristics for Entire IC (Notes 7, 10) The following specifications apply for V DD = 5V unless otherwise noted. Limits apply for TA = 25˚C. Symbol Parameter Conditions LM4840 Units (Limits) Typical (Note 14) Limit (Note 15) V DD Supply Voltage 2.7 V (min) 5.5 V (max) I DD Quiescent Power Supply Current V IN = 0V, IO = 0A 12 30 mA (max) I SD Shutdown Current V SHUTDOWN =VDD 0.7 2.0 µA (max) V IH Headphone Sense High Input Voltage 4 V (min) V IL Headphone Sense Low Input Voltage 0.8 V (max) Electrical Characteristics for Volume Attenuators (Notes 7, 10) The following specifications apply for V DD = 5V. Limits apply for TA = 25˚C. Symbol Parameter Conditions LM4840 Units (Limits) Typical (Note 14) Limit (Note 15) C RANGE Attenuator Range Gain with Digital Volume Max 0 ±0.5 dB (max) Attenuation with Digital Volume Min -81 -75 dB (min) A M Mute Attenuation V MUTE =VDD, Bridged Mode -88 -78 dB (min) V MUTE =VDD, Single-Ended Mode -88 -78 dB (min) Electrical Characteristics for Single-Ended Mode Operation (Notes 7, 10) The following specifications apply for V DD = 5V. Limits apply for TA = 25˚C. Symbol Parameter Conditions LM4840 Units (Limits) Typical (Note 14) Limit (Note 15) P O Output Power THD = 1.0%; f = 1kHz; R L =32Ω 85 mW THD=10%;f=1 kHz; R L =32Ω 95 mW www.national.com 3 |
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