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AD1981AJST Folha de dados(PDF) 4 Page - Analog Devices |
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AD1981AJST Folha de dados(HTML) 4 Page - Analog Devices |
4 / 24 page REV. 0 –4– AD1981A–SPECIFICATIONS Parameter Set Bits DVDD Typ AVDD Typ Unit POWER-DOWN STATES 3 (Fully Active) (No Bits Value) 47 53 mA ADC PR0 39 47 mA DAC PR1 32 40 mA ADC + DAC PR1, PR0 13 34 mA Mixer PR2 47 21 mA ADC + Mixer PR2, PR0 39 16 mA DAC + Mixer PR2, PR1 32 8 mA ADC + DAC + Mixer PR2, PR1, PR0 13 1 mA Standby PR5, PR4, PR3, PR2, PR1, PR0 0 0 mA Headphone Standby PR6 47 40 mA Parameter Symbol Min Typ Max Unit TIMING PARAMETERS (Guaranteed over Operating Temperature Range) RESET Active Low Pulsewidth tRST_LOW 1.0 ms RESET Inactive to BIT_CLK Start-Up Delay tRST2CLK 162.8 ns SYNC Active High Pulsewidth tSYNC_HIGH 1.3 ms SYNC Low Pulsewidth tSYNC_LOW 19.5 SYNC Inactive to BIT_CLK Start-Up Delay tSYNC2CLK 162.8 ns BIT_CLK Frequency 12.288 MHz BIT_CLK Period tCLK_PERIOD 81.4 ns BIT_CLK Output Jitter 1 750 48.84 ps BIT_CLK High Pulsewidth tCLK_HIGH 32.56 42 48.84 ns BIT_CLK Low Pulsewidth tCLK_LOW 32.56 38 ns SYNC Frequency 48.0 kHz SYNC Period tSYNC_PERIOD 20.8 ms Setup to Falling Edge of BIT_CLK tSETUP 5 2.5 ns Hold from Falling Edge of BIT_CLK tHOLD 5ns BIT_CLK Rise Time tRISECLK 246 ns BIT_CLK Fall Time tFALLCLK 246 ns SYNC Rise Time tRISESYNC 246 ns SYNC Fall Time tFALLSYNC 246 ns SDATA_IN Rise Time tRISEDIN 246 ns SDATA_IN Fall Time tFALLDIN 246 ns SDATA_OUT Rise Time tRISEDOUT 246 ns SDATA_OUT Fall Time tFALLDOUT 246 ns End of Slot 2 to BIT_CLK, SDATA_IN Low tS2_PDOWN 0 1.0 ms Setup to Trailing Edge of RESET (Applies to SYNC, SDATA_OUT) tSETUP2RST 15 ns Rising Edge of RESET to HI-Z Delay tOFF 25 ns Propagation Delay 15 ns RESET Rise Time 50 ns Output Valid Delay from Rising Edge of BIT_CLK to SDI Valid 15 ns NOTES 1Guaranteed but not tested. 2Measurement reflects main ADC. 3Values presented with V REFOUT not loaded. Specifications subject to change without notice. |
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