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LM4931 Datenblatt(PDF) 4 Page - Texas Instruments |
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LM4931 Datenblatt(HTML) 4 Page - Texas Instruments |
4 / 50 page LM4931 SNAS251E – APRIL 2004 – REVISED MAY 2013 www.ti.com Absolute Maximum Ratings (1) (2) Analog Supply Voltage 6.0V Digital Supply Voltage 6.0V Storage Temperature -65°C to +150°C Power Dissipation(3) Internally Limited ESD Susceptibility Human Body Model(4) 2500V Machine Model(5) 200V Junction Temperature 150°C Thermal Resistance θJA - YZR0042 105°C/W (1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is functional but do not ensure specific performance limits. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which ensure specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not ensured for parameters where no limit is given, however, the typical value is a good indication of device performance. (2) All voltages are measured with respect to the relevant GND pin unless otherwise specified. All grounds should be coupled as close as possible to the device. (3) 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 LM4931, see power derating currents for more information. (4) Human body model: 100pF discharged through a 1.5k Ω resistor. (5) Machine model: 220pF - 240pF discharged through all pins. Operating Ratings Temperature Range TMIN ≤ TA ≤ TMAX −40°C ≤ TA ≤ +85°C DVDD (1) 2.7V - 4.0V Supply Voltage AVDD (1) 2.7V - 5.0V (1) Best operation is achieved by maintaining 3.0V ≤ AVDD ≤ 5.0 and 3.0V ≤ DVDD ≤ 3.6V and AVDD ≥ DVDD. Electrical Characteristics DVDD = 3V, AVDD = 3V, RLHP = 32Ω, RLHF = 8Ω (1) (2) The following specifications apply for the circuit shown in Figure 62, unless otherwise specified. Limits apply for TA = 25°C. Symbol Parameter Conditions LM4931 Units (Limits) Typical(3 Limits(4) ) Power Mode 0 DISD Digital Shutdown Current fMLCK = 12MHz (5) 400 500 μA (max) No MCLK 1 2 μA (max) DIST Digital Standby Current Mode 1, fMCLK = 12MHz 400 1200 μA (max) fMLCK = 12MHz Mode 2, 3, 4 1.3 3.2 mA (max) DIDD Digital Power Supply Current Mode 5, 6, 7 2.8 7 mA (max) Mode 8, 9, 10 3.2 7.5 mA (max) PLLIDD PLL Quiescent Current fMCLK = 12MHz 2.8 3.5 mA (max) AISD Analog Shutdown Current Mode 0, No load 0.1 2.5 μA (max) AIST Analog Standby Current Mode 1, No load 100 200 μA (max) (1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is functional but do not ensure specific performance limits. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which ensure specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not ensured for parameters where no limit is given, however, the typical value is a good indication of device performance. (2) All voltages are measured with respect to the relevant GND pin unless otherwise specified. All grounds should be coupled as close as possible to the device. (3) Typicals are measured at 25°C and represent the parametric norm. (4) Limits are ensured to TI’s AOQL (Average Outgoing Quality Level). (5) Digital shutdown current is measured with system clock set for PLL output while the PLL is disabled. 4 Submit Documentation Feedback Copyright © 2004–2013, Texas Instruments Incorporated Product Folder Links: LM4931 |
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