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ADR445 データシート(PDF) 8 Page - Analog Devices |
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ADR445 データシート(HTML) 8 Page - Analog Devices |
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8 / 48 page  AD5735 Data Sheet Rev. B | Page 8 of 48 TIMING CHARACTERISTICS AVDD = VBOOST_x = 15 V; AVSS = −15 V; DVDD = 2.7 V to 5.5 V; AVCC = 4.5 V to 5.5 V; dc-to-dc converter disabled; AGND = DGND = GNDSWx = 0 V; REFIN = 5 V; voltage outputs: RL = 1 kΩ, CL = 220 pF; current outputs: RL = 300 Ω; all specifications TMIN to TMAX, unless otherwise noted. Table 3. Parameter1, 2, 3 Limit at TMIN, TMAX Unit Description t1 33 ns min SCLK cycle time t2 13 ns min SCLK high time t3 13 ns min SCLK low time t4 13 ns min SYNC falling edge to SCLK falling edge setup time t5 13 ns min 24th/32nd SCLK falling edge to SYNC rising edge (see Figure 76) t6 198 ns min SYNC high time t7 5 ns min Data setup time t8 5 ns min Data hold time t9 20 µs min SYNC rising edge to LDAC falling edge (all DACs updated or any channel has digital slew rate control enabled) 5 µs min SYNC rising edge to LDAC falling edge (single DAC updated) t10 10 ns min LDAC pulse width low t11 500 ns max LDAC falling edge to DAC output response time t12 See Table 2 µs max DAC output settling time t13 10 ns min CLEAR high time t14 5 µs max CLEAR activation time t15 40 ns max SCLK rising edge to SDO valid t16 SYNC rising edge to DAC output response time (LDAC = 0) 21 µs min All DACs updated 5 µs min Single DAC updated t17 500 ns min LDAC falling edge to SYNC rising edge t18 800 ns min RESET pulse width t194 SYNC high to next SYNC low (digital slew rate control enabled) 20 µs min All DACs updated 5 µs min Single DAC updated 1 Guaranteed by design and characterization; not production tested. 2 All input signals are specified with tRISE = tFALL = 5 ns (10% to 90% of DVDD) and timed from a voltage level of 1.2 V. 3 See Figure 3, Figure 4, Figure 5, and Figure 6. 4 This specification applies if LDAC is held low during the write cycle; otherwise, see t9. |
同様の部品番号 - ADR445 |
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同様の説明 - ADR445 |
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