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ADM13305-33ARZ1 Arkusz danych(PDF) 5 Page - Analog Devices |
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ADM13305-33ARZ1 Arkusz danych(HTML) 5 Page - Analog Devices |
5 / 12 page ADM13305 Rev. 0 | Page 5 of 12 TIMING REQUIREMENTS VDD = 2.7 V to 5.5 V, RL = 1 MΩ, CL = 50 pF, TA = 25°C. Table 3. ADM13305-18, ADM13305-25 and ADM13305-33 Parameter Min Typ Max Unit Test Conditions/Comments PULSE WIDTH (tw) SENSEv 6 μs VSENSEvL = VIT− − 0.3 V, VSENSEvH = VIT+ + 0.3 V MR 100 ns VIH = 0.7 × VDD, VIL = 0.3 × VDD WDI 100 ns VIH = 0.7 × VDD, VIL = 0.3 × VDD Table 4. ADM13305-4 and ADM13305-5 Parameter Min Typ Max Unit Test Conditions/Comments PULSE WIDTH (tw) SENSEv 30 μs VSENSEvL = VIT− − 0.3 V, VSENSEvH = VIT+ + 0.3 V MR 100 ns VIH = 0.7 × VDD, VIL = 0.3 × VDD WDI 100 ns VIH = 0.7 × VDD, VIL = 0.3 × VDD SWITCHING CHARACTERISTICS VDD = 2.7 V to 5.5 V, RL = 1 MΩ, CL = 50 pF, TA = 25°C. Table 5. ADM13305-18, ADM13305-25 and ADM13305-33 Parameter Min Typ Max Unit Test Conditions/Comments Watchdog Timeout (tt(OUT)) 1.1 1.6 2.3 sec VI(SENSEv) ≥ VIT+ + 0.2 V, MR ≥ 0.7 × VDD Delay Time (td) 140 200 280 ms VI(SENSEv) ≥ VIT+ + 0.2 V, MR ≥ 0.7 × VDD Propagation Delay, High-to-Low, MR to RESET1/RESET (tPHL) 200 500 ns VI(SENSEv) ≥ VIT+ + 0.2 V, VIH ≥ 0.7 × VDD, VIL ≥ 0.3 × VDD Propagation Delay, Low-to-High, MR to RESET/RESET1 (tPLH) 200 500 ns VI(SENSEv) ≥ VIT+ + 0.2 V, VIH ≥ 0.7 × VDD, VIL ≥ 0.3 × VDD Propagation Delay, High-to-Low, SENSEv to RESET1/RESET (tPHL) 1 5 μs VIH = VIT+ + 0.3 V, VIL = VIT− − 0.3 V, MR ≥ 0.7 × VDD Propagation Delay, Low-to-High, SENSEv to RESET/RESET1 (tPLH) 1 5 μs VIH = VIT+ + 0.3 V, VIL = VIT− − 0.3 V, MR ≥ 0.7 × VDD 1 The reset timeout delay of 200 ms masks the propagation delay. Table 6. ADM13305-4 and ADM13305-5 Parameter Min Typ Max Unit Test Conditions/Comments Watchdog Timeout (tt(out)) 1.1 1.6 2.3 sec VI(SENSEv) ≥ VIT+ + 0.2 V, MR ≥ 0.7 × VDD Delay Time (td) 140 200 280 ms VI(SENSEv) ≥ VIT+ + 0.2 V, MR ≥ 0.7 × VDD Propagation Delay, High-to-Low, MR to RESET1/RESET (tPHL) 200 500 ns VI(SENSEv) ≥ VIT+ + 0.2 V, VIH ≥ 0.7 × VDD, VIL ≥ 0.3 × VDD Propagation Delay, Low-to-High, MR to RESET/RESET1 (tPLH) 200 500 ns VI(SENSEv) ≥ VIT+ + 0.2 V, VIH ≥ 0.7 × VDD, VIL ≥ 0.3 × VDD Propagation Delay, High-to-Low, SENSEv to RESET1/RESET (tPHL) 30 μs VIH = VIT+ + 0.3 V, VIL = VIT− − 0.3 V, MR ≥ 0.7 × VDD Propagation Delay, Low-to-High, SENSEv to RESET/RESET1 (tPLH) 30 μs VIH = VIT+ + 0.3 V, VIL = VIT− − 0.3 V, MR ≥ 0.7 × VDD 1 The reset timeout delay of 200 ms masks the propagation delay. FUNCTIONAL TRUTH TABLE Table 7. MR SENSE1 > VIT1 SENSE2 > VIT2 RESET RESET L X1 X1 L H H 0 0 L H H 0 1 L H H 1 0 L H H 1 1 H L 1 X = don’t care. |
Podobny numer części - ADM13305-33ARZ1 |
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Podobny opis - ADM13305-33ARZ1 |
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