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LM4543 bảng dữ liệu(PDF) 4 Page - National Semiconductor (TI) |
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LM4543 bảng dữ liệu(HTML) 4 Page - National Semiconductor (TI) |
4 / 16 page Electrical Characteristics (Notes 1, 3) (Continued) The following specifications apply for AV DD = 5V, DVDD = 5V unless otherwise noted. Limits apply for TA= 25˚C. The reference for 0dB is 1Vrms unless otherwise specified. Symbol Parameter Conditions LM4543 Units (Limits) Typical (Note 7) Limit (Note 8) Digital Timing Specifications (Note 2) T SH SYNC active high pulse width For warm reset 1.3 µS T SYNC2CLK SYNC inactive to BIT_CLK start up For warm reset 162.8 nS (min) T SU2RST Setup to trailing edge of RESET# For ATE Test Mode 15 nS (min) T RST2HZ Rising edge of RESET# to Hi-Z For ATE Test Mode 25 nS (max) Note 1: All voltages are measured with respect to the ground pin, unless otherwise specified. Note 2: These specifications are guaranteed by design and characterization; they are not production tested. Note 3: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is func- tional, but do not guarantee specific performance limits. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which guar- antee specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not guaranteed for parameters where no limit is given, however, the typical value is a good indication of device performance. Note 4: The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX, θJA, and the ambient temperature TA. The maximum allowable power dissipation is PDMAX =(TJMAX–TA)/θJA or the number given in Absolute Maximum Ratings, whichever is lower. For the LM4543, TJMAX = 150˚C. The typical junction-to-ambient thermal resistance is 74˚C/W for package number VBH48A. Note 5: Human body model, 100 pF discharged through a 1.5 k Ω resistor. Note 6: Machine Model, 220 pF–240 pF discharged through all pins. Note 7: Typicals are measured at 25˚C and represent the parametric norm. Note 8: Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level). www.national.com 4 |
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Mô tả tương tự - LM4543 |
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