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AD5426YRMZ-REEL7 数据表(PDF) 5 Page - Analog Devices |
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AD5426YRMZ-REEL7 数据表(HTML) 5 Page - Analog Devices |
5 / 24 page Data Sheet AD5426/AD5432/AD5443 Rev. G | Page 5 of 24 TIMING CHARACTERISTICS All input signals are specified with tr = tf = 1 ns (10% to 90% of VDD) and timed from a voltage level of (VIL + VIH)/2. VDD = 2.5 V to 5.5 V, VREF = 10 V, IOUT2 = 0 V; temperature range for Y version: −40°C to +125°C; all specifications TMIN to TMAX, unless otherwise noted. Table 2. Parameter 2.5 V to 5.5 V 4.5 V to 5.5 V Unit Test Conditions/Comments fSCLK 50 50 MHz max Max clock frequency t1 20 20 ns min SCLK cycle time t2 8 8 ns min SCLK high time t3 8 8 ns min SCLK low time t41 13 13 ns min SYNC falling edge to SCLK active edge setup time t5 5 5 ns min Data setup time t6 3 3 ns min Data hold time t7 5 5 ns min SYNC rising edge to SCLK active edge t8 30 30 ns min Minimum SYNC high time t92, 3 80 45 ns typ SCLK active edge to SDO valid 120 65 ns max 1 Falling or rising edge as determined by control bits of serial word. 2 Daisy-chain and readback modes cannot operate at maximum clock frequency. SDO timing specifications measured with load circuit, as shown in Figure 4. 3 SDO operates with a VDD of 3.0 V to 5.5 V. DB15 DB0 SCLK SYNC DIN ALTERNATIVELY, DATA MAY BE CLOCKED INTO INPUT SHIFT REGISTER ON RISING EDGE OF SCLK AS DETERMINED BY CONTROL BITS. TIMING AS PER ABOVE, WITH SCLK INVERTED. t1 t8 t4 t3 t2 t5 t6 t7 Figure 2. Standalone Mode Timing Diagram DB15 (N) DB0 (N) DB15 (N + 1) DB0 (N + 1) SCLK SDIN SDO ALTERNATIVELY, DATA MAY BE CLOCKED INTO INPUT SHIFT REGISTER ON RISING EDGE OF SCLK AS DETERMINED BY CONTROL BITS. IN THIS CASE, DATA WOULD BE CLOCKED OUT OF SDO ON FALLING EDGE OF SCLK. TIMING AS PER ABOVE, WITH SCLK INVERTED. t6 DB15(N) DB0(N) t1 t2 t5 t9 t6 t4 t3 t7 t8 SYNC Figure 3. Daisy-Chain and Readback Modes Timing Diagram |
类似零件编号 - AD5426YRMZ-REEL7 |
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类似说明 - AD5426YRMZ-REEL7 |
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