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ADS8699IPWR 数据表(PDF) 11 Page - Texas Instruments |
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ADS8699IPWR 数据表(HTML) 11 Page - Texas Instruments |
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11 / 74 page  6.9 Timing Requirements: Source-Synchronous Serial Interface (External Clock) all minimum and maximum specifications are at TA = –40°C to +125°C; typical specifications are at TA = 25°C; AVDD = 5 V, DVDD = 3.3 V, VREF = 4.096 V (internal), and maximum throughput (unless otherwise noted) MIN TYP MAX UNIT TIMING REQUIREMENTS fCLK Serial clock frequency 66.67 MHz tCLK Serial clock time period 1/fCLK tPH_CK SCLK high time 0.45 0.55 tCLK tPL_CK SCLK low time 0.45 0.55 tCLK TIMING SPECIFICATIONS tDEN_CSDO Delay time: CONVST/CS falling edge to data enable 9.5 ns tDZ_CSDO Delay time: CONVST/CS rising to SDO-x going to 3-state 10 ns tD_CKRVS_r Delay time: SCLK rising edge to RVS rising 14 ns tD_CKRVS_f Delay time: SCLK falling edge to RVS falling 14 ns tD_RVSDO Delay time: RVS rising to (next) data valid on SDO-x 2.5 ns tD_CSRVS Delay time: CONVST/CS rising edge to RVS displaying internal device state 15 ns 6.10 Timing Requirements: Source-Synchronous Serial Interface (Internal Clock) all minimum and maximum specifications are at TA = –40°C to +125°C; typical specifications are at TA = 25°C; AVDD = 5 V, DVDD = 3.3 V, VREF = 4.096 V (internal), and maximum throughput (unless otherwise noted) MIN TYP MAX UNIT TIMING SPECIFICATIONS tDEN_CSDO Delay time: CONVST/CS falling edge to data enable 9.5 ns tDZ_CSDO Delay time: CONVST/CS rising to SDO-x going to 3-state 10 ns tDEN_CSRVS Delay time: CONVST/CS falling edge to first rising edge on RVS 50 ns tD_RVSDO Delay time: RVS rising to (next) data valid on SDO-x 2.5 ns tINTCLK Time period: internal clock 15 ns tCYC_RVS Time period: RVS signal 15 ns tWH_RVS RVS high time 0.4 0.6 tINTCLK tWL_RVS RVS low time 0.4 0.6 tINTCLK tD_CSRVS Delay time: CONVST/CS rising edge to RVS displaying internal device state 15 ns www.ti.com ADS8691, ADS8695, ADS8699 SBAS777B – DECEMBER 2016 – REVISED MARCH 2021 Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback 11 Product Folder Links: ADS8691 ADS8695 ADS8699 |
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