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ADC12048CIV Fiches technique(PDF) 8 Page - Texas Instruments |
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ADC12048CIV Fiches technique(HTML) 8 Page - Texas Instruments |
8 / 37 page ADC12048 SNAS105B – APRIL 2000 – REVISED MARCH 2013 www.ti.com Digital Timing Characteristics The following specifications apply to the ADC12048, 13-bit data bus width, VA+ = VD+ = 5V, fCLK = 12 MHz, tf = 3 ns and CL = 50 pF on data I/O lines Symbol Units Parameter Conditions Typical(1) Limits(2) (Limit) tTPR Throughput Rate Sync-Out Mode (SYNC Bit = “0”) 9 Clock Cycles of 222 kHz Acquisition Time tCSWR Falling Edge of CS to Falling Edge of WR 0 ns tWRCS Active Edge of WR to Rising Edge of CS 0 ns tWR WR Pulse Width 20 30 ns (min) tWRSETFalling Write Setup Time WMODE = “1” 20 ns (min) tWRHOLDFalling Write Hold Time WMODE = “1” 5 ns (min) tWRSETRising Write Setup Time WMODE = “0” 20 ns (min) tWRHOLDRising Write Hold Time WMODE = “0” 5 ns (min) tCSRD Falling Edge of CS to Falling Edge of RD 0 ns tRDCS Rising Edge of RD to Rising Edge of CS 0 ns tRDDATA Falling Edge of RD to Valid Data 8-Bit Mode (BW Bit = “0”) 40 58 ns (max) tRDDATA Falling Edge of RD to Valid Data 13-Bit Mode (BW Bit = “1”) 26 44 ns (max) tRDHOLD Read Hold Time 23 32 ns (max) tRDRDY Rising Edge of RD to Rising Edge of RDY 24 38 ns (max) tWRRDY Active Edge of WR to Rising Edge of RDY WMODE = “1” 42 65 ns (max) tSTNDBY WMODE = “0”. Writing the Active Edge of WR to Falling Edge of STDBY Standby Command into the 200 230 ns (max) Configuration Register tSTDONE WMODE = “0”. Writing the Active Edge of WR to Rising Edge of STDBY RESET Command into the 30 45 ns (max) Configuration Register tSTDRDY WMODE = “0”. Writing the Active Edge of WR to Falling Edge of RDY RESET Command into the 1.4 2.5 ms (max) Configuration Register tSYNC Minimum SYNC Pulse Width 5 10 ns (min) (1) Typicals are at TA = 25°C and represent most likely parametric norm. (2) Limits are ensured to AOQL (Average Outgoing Quality Level). Digital Timing Diagrams Figure 3. 8 Submit Documentation Feedback Copyright © 2000–2013, Texas Instruments Incorporated Product Folder Links: ADC12048 |
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