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ISL267452IHZ-T7A 数据表(PDF) 7 Page - Intersil Corporation |
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ISL267452IHZ-T7A 数据表(HTML) 7 Page - Intersil Corporation |
7 / 16 page ISL267452 7 FN8255.0 July 26, 2012 Timing Specifications Limits established by characterization and are not production tested. VDD = 3.0V to 3.6V, fSCLK =10MHz, fS = 555kSPS, VREF = 2.0V; VDD = 4.75V to 5.25V, fSCLK =10MHz, fS = 555kSPS, VREF =2.5V; VCM = VREF unless otherwise noted. Boldface limits apply over the operating temperature range, -40°C to +85°C. SYMBOL PARAMETER TEST CONDITIONS MIN (Note 7) TYP MAX (Note 7) UNITS fSCLK Clock Frequency 0.01 10 MHz tSCLK Clock Period 100 ns tACQ Acquisition Time 200 ns tCONV Conversion Time 1.6 µs tCSW CS Pulse Width 10 ns tCSS CS Falling Edge to SCLK Falling Edge Setup Time 10 ns tCDV CS Falling Edge to SDATA Valid 20 ns tCLKDV SCLK Falling Edge to SDATA Valid 40 ns tSDH SCLK Falling Edge to SDATA Hold 10 ns tSW SCLK Pulse Width 0.4 x tSCLK ns tDISABLE SCLK Falling Edge to SDATA Disable Time (Note 9) Extrapolated back to true bus relinquish 10 35 ns tQUIET Quiet Time Before Sample 60 ns NOTE: 9. During characterization, tDISABLE is measured from the release point with a 10pF load (see Figure 4) and the equivalent timing using the AD7452 loading (25pF) is calculated. FIGURE 3. SERIAL INTERFACE TIMING DIAGRAM SCLK SDATA 12 3 4 5 16 15 14 tCSW tCDV tCSS tCONV 13 00 0 0 MSB D0 D1 D2 tQUIET tSW tCLKDV CS HI-Z tACQ FIGURE 4. EQUIVALENT LOAD CIRCUIT OUTPUT PIN CL 10pF VDD 2.85k Ω RL |
类似零件编号 - ISL267452IHZ-T7A |
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类似说明 - ISL267452IHZ-T7A |
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