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AD7835ASZ-REEL датащи(PDF) 6 Page - Analog Devices |
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AD7835ASZ-REEL датащи(HTML) 6 Page - Analog Devices |
6 / 28 page AD7834/AD7835 Rev. D | Page 6 of 28 TIMING SPECIFICATIONS VCC = 5 V ± 5%; VDD = 11.4 V to 15.75 V; VSS = −11.4 V to −15.75 V; AGND = DGND = 0 V1. Table 4. Parameter Limit at TMIN, TMAX Unit Description AD7834-SPECIFIC t12 100 ns min SCLK cycle time t22 50 ns min SCLK low t32 30 ns min SCLK high time t4 30 ns min FSYNC, PAEN setup time t5 40 ns min FSYNC, PAEN hold time t6 30 ns min Data setup time t7 10 ns min Data hold time t8 0 ns min LDAC to FSYNC setup time t9 40 ns min LDAC to FSYNC hold time t21 20 ns min Delay between write operations AD7835-SPECIFIC t11 15 ns min A0, A1, A2, BYSHF to CS setup time t12 15 ns min A0, A1, A2, BYSHF to CS hold time t13 0 ns min CS to WR setup time t14 0 ns min CS to WR hold time t15 40 ns min WR pulse width t16 40 ns min Data setup time t17 10 ns min Data hold time t18 0 ns min LDAC to CS setup time t19 0 ns min CS to LDAC setup time t20 0 ns min LDAC to CS hold time GENERAL t10 40 ns min LDAC, CLR pulse width 1 All input signals are specified with tr = tf = 5 ns (10% to 90% of 5 V) and time from a voltage level of 1.6 V. 2 Rise and fall times should be no longer than 50 ns. t 1 t3 t10 t 21 t 9 t4 LDAC (SIMULTANEOUS UPDATE) LDAC (PER-CHANNEL UPDATE) 1ST CLK 2ND CLK 24TH CLK t5 t 8 t2 D23 D22 t 7 t 6 D1 D0 SCLK DIN MSB LSB FSYNC t12 t14 t17 t16 t15 t10 t18 t19 t11 t13 A0 A1 A2 CS WR DB0 TO DB13 LDAC (SIMULTANEOUS UPDATE) LDAC (PER-CHANNEL UPDATE) t20 BYSHF Figure 3. AD7834 Timing Diagram Figure 4. AD7835 Timing Diagram |
Аналогичный номер детали - AD7835ASZ-REEL |
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Аналогичное описание - AD7835ASZ-REEL |
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