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DAC9881IRGET Datasheet(PDF) 7 Page - Texas Instruments |
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DAC9881IRGET Datasheet(HTML) 7 Page - Texas Instruments |
7 / 13 page TIMING CHARACTERISTICS for Figure 1 (1) (2) (3) DAC9881 www.ti.com........................................................................................................................................................................................................ SBAS438 – MAY 2008 At –40 °C to +85°C, unless otherwise noted. PARAMETER CONDITIONS MIN MAX UNIT 2.7 ≤ DVDD < 3.6V, 2.7 ≤ IOVDD ≤ DVDD 40 MHz fSCLK Maximum clock frequency 3.6 ≤ DVDD ≤ 5.5V, 2.7 ≤ IOVDD ≤ DVDD 50 MHz 2.7 ≤ DVDD < 3.6V, 2.7 ≤ IOVDD ≤ DVDD 50 ns t1 Minumum CS high time 3.6 ≤ DVDD ≤ 5.5V, 2.7 ≤ IOVDD ≤ DVDD 30 ns 2.7 ≤ DVDD < 3.6V, 2.7 ≤ IOVDD ≤ DVDD 10 ns t2 CS falling edge to SCLK rising edge 3.6 ≤ DVDD ≤ 5.5V, 2.7 ≤ IOVDD ≤ DVDD 8 ns 2.7 ≤ DVDD < 3.6V, 2.7 ≤ IOVDD ≤ DVDD 10 ns SCLK falling edge to CS falling edge setup t3 time 3.6 ≤ DVDD ≤ 5.5V, 2.7 ≤ IOVDD ≤ DVDD 10 ns 2.7 ≤ DVDD < 3.6V, 2.7 ≤ IOVDD ≤ DVDD 10 ns t4 SCLK low time 3.6 ≤ DVDD ≤ 5.5V, 2.7 ≤ IOVDD ≤ DVDD 10 ns 2.7 ≤ DVDD < 3.6V, 2.7 ≤ IOVDD ≤ DVDD 15 ns t5 SCLK high time 3.6 ≤ DVDD ≤ 5.5V, 2.7 ≤ IOVDD ≤ DVDD 10 ns 2.7 ≤ DVDD < 3.6V, 2.7 ≤ IOVDD ≤ DVDD 25 ns t6 SCLK cycle time 3.6 ≤ DVDD ≤ 5.5V, 2.7 ≤ IOVDD ≤ DVDD 20 ns 2.7 ≤ DVDD < 3.6V, 2.7 ≤ IOVDD ≤ DVDD 10 ns t7 SCLK rising edge to CS rising edge 3.6 ≤ DVDD ≤ 5.5V, 2.7 ≤ IOVDD ≤ DVDD 10 ns 2.7 ≤ DVDD < 3.6V, 2.7 ≤ IOVDD ≤ DVDD 8 ns t8 Input data setup time 3.6 ≤ DVDD ≤ 5.5V, 2.7 ≤ IOVDD ≤ DVDD 5 ns 2.7 ≤ DVDD < 3.6V, 2.7 ≤ IOVDD ≤ DVDD 5 ns t9 Input data hold time 3.6 ≤ DVDD ≤ 5.5V, 2.7 ≤ IOVDD ≤ DVDD 5 ns 2.7 ≤ DVDD < 3.6V, 2.7 ≤ IOVDD ≤ DVDD 10 ns t14 CS rising edge to LDAC falling edge 3.6 ≤ DVDD ≤ 5.5V, 2.7 ≤ IOVDD ≤ DVDD 5 ns 2.7 ≤ DVDD < 3.6V, 2.7 ≤ IOVDD ≤ DVDD 15 ns t15 LDAC pulse width 3.6 ≤ DVDD ≤ 5.5V, 2.7 ≤ IOVDD ≤ DVDD 10 ns (1) All input signals are specified with tR = tF = 2ns (10% to 90% of IOVDD) and timed from a voltage level of IOVDD/2. (2) Ensured by design. Not production tested. (3) Sample tested during the initial release and after any redesign or process changes that may affect these parameters. Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Link(s): DAC9881 |
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