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LM4935 数据表(PDF) 9 Page - Texas Instruments |
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LM4935 数据表(HTML) 9 Page - Texas Instruments |
9 / 90 page LM4935, LM4935RLEVAL www.ti.com SNAS296E – OCTOBER 2005 – REVISED MAY 2013 3.3 Electrical Characteristics (1) (2) (3) Unless otherwise stated PLL_VDD = 3.3V, D_VDD = 3.3V, BB_VDD = 1.8V, A_VDD = 3.3V, LS_VDD = 3.3V. The following specifications apply for the circuit shown in Figure 2-2 unless otherwise stated. Limits apply for 25°C. LM4935 Symbol Parameter Conditions Units Typical(4) Limit(5) DC CURRENT CONSUMPTION Chip Mode '00', fMCLK = 13MHz 0.7 µA DISD Digital Shutdown Current(6) Chip Mode '00', fMCLK = 19.2MHz 0.7 5 µA (max) Chip Mode '01', fMCLK = 13MHz 1.5 mA DIST Digital Standby Current Chip Mode '01', fMCLK = 19.2MHz 2.2 3 mA (max) Chip Mode '10', fMCLK = 13MHz, 1.5 mA DAC, ADC, SAR OFF Chip Mode '10', fMCLK = 19.2MHz, 2.2 mA DAC, ADC, SAR OFF DIDD Digital Active Current Chip Mode '10', fMCLK = 13MHz 11.2 mA DAC, ADC, SAR ON Chip Mode '10', fMCLK = 19.2MHz, mA 16.2 20 DAC, ADC, SAR ON (max) AISD Analog Shutdown Current Chip Mode '00' 0.2 3 µA (max) AIST Analog Standby Current Chip Mode '01', 0.2 3 µA (max) No headset inserted All Outputs OFF, SE MODE 6.1 mA All Outputs OFF, OCL MODE 5.7 mA AIDD Analog Active Current All Outputs ON, SE MODE 18.3 mA All Outputs ON, OCL MODE mA 18.7 28 (max) fMCLK = 13 MHz 4.2 mA fPLLOUT = 12 MHz, PLL ON only PLLIDD PLL Active Current fMCLK = 19.2 MHz 6.2 mA fPLLOUT = 12 MHz, PLL ON only ADCIDD fMCLK = 13MHz, ADC ON only 2.5 mA ADC Active Current fMCLK = 19.2MHz, ADC ON only 3.6 mA fMCLK = 13MHz, DAC ON only; 7.4 mA PLL OFF, fS = 48kHz DACIDD DAC Active Current fMCLK = 19.2MHz, DAC ON only 10.7 mA PLL OFF; fS = 48kHz fMCLK = 13MHz, SAR ON only 1.6 mA SARIDD SAR Active Current fMCLK = 19.2MHz, SAR ON only 2.3 mA LSIDD Loudspeaker Quiescent Current LS ON only 8.8 mA HP ON only, SE MODE 3.5 mA HPIDD Headphone Quiescent Current HP ON only, OCL MODE 3.9 mA EPIDD Earpiece Quiescent Current EP ON only 4.4 mA AUXIDD AUXOUT Quiescent Current AUXOUT ON only 4.8 mA CPOUTIDD CPOUT Quiescent Current CPOUT ON only 4.8 mA (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. 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 VSS pin unless otherwise specified. All grounds should be coupled as close as possible to the device. (3) Best operation is achieved by maintaining 3.0V < A_VDD < 5.0 and 3.0V < D_VDD < 3.6V and A_VDD > D_VDD. (4) Typical values are measured at 25°C and represent the parametric norm. (5) Limits are specified to AOQL (Average Outgoing Quality Level). (6) Digital shutdown current is measured with system clock set for PLL output while the PLL is disabled. Copyright © 2005–2013, Texas Instruments Incorporated Electrical Specifications 9 Submit Documentation Feedback Product Folder Links: LM4935 LM4935RLEVAL |
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类似说明 - LM4935 |
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