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AD7277BUJZ-500RL7 Arkusz danych(PDF) 8 Page - Analog Devices |
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AD7277BUJZ-500RL7 Arkusz danych(HTML) 8 Page - Analog Devices |
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8 / 28 page  AD7276/AD7277/AD7278 Data Sheet Rev. D | Page 8 of 28 Parameter A Grade1, 2 B Grade1,2 Unit Test Conditions/Comments POWER REQUIREMENTS V DD 2.35/3.6 2.35/3.6 V min/max I DD Digital I/Ps = 0 V or V DD Normal Mode (Static) 0.5 0.5 mA typ V DD = 3.6 V, SCLK on or off Normal Mode (Operational) 5.5 5.5 mA max V DD = 2.35 V to 3.6 V, fSAMPLE = 3 MSPS 3.5 3.5 mA typ V DD = 3 V Partial Power-Down Mode (Static) 34 34 µA typ Full Power-Down Mode (Static) 2 2 µA max −40°C to +85°C, typically 0.1 µA 10 10 µA max +85°C to +125°C Power Dissipation5 Normal Mode (Operational) 19.8 19.8 mW max V DD = 3.6 V, fSAMPLE = 3 MSPS 10.5 10.5 mW typ V DD = 3 V Partial Power-Down 102 102 µW typ V DD = 3 V Full Power-Down 7.2 7.2 µW max V DD = 3.6 V, −40°C to +85°C 1 Temperature range from −40°C to +125°C. 2 Typical specifications are tested with V DD = 3 V and at 25°C. 3 See the Terminology section. 4 Guaranteed by characterization. 5 See the Power vs. Throughput Rate section. TIMING SPECIFICATIONS—AD7276/AD7277/AD7278 VDD = 2.35 V to 3.6 V, TA = TMIN to TMAX, unless otherwise noted.1 Table 5. Parameter2 Limit at T MIN, TMAX Unit Description f SCLK 3 500 kHz min4 48 MHz max B grade 16 MHz max Y grade t CONVERT 14 × t SCLK AD7276 12 × t SCLK AD7277 10 × t SCLK AD7278 t QUIET 4 ns min Minimum quiet time required between the bus relinquish and the start of the next conversion t 1 3 ns min Minimum CS pulse width t 2 6 ns min CS to SCLK setup time t 3 5 4 ns max Delay from CS until SDATA three-state disabled t 4 5 15 ns max Data access time after SCLK falling edge t 5 0.4 t SCLK ns min SCLK low pulse width t 6 0.4 t SCLK ns min SCLK high pulse width t 7 5 5 ns min SCLK to data valid hold time t 8 14 ns max SCLK falling edge to SDATA three-state 5 ns min SCLK falling edge to SDATA three-state t 9 4.2 ns max CS rising edge to SDATA three-state T POWER-UP 6 1 µs max Power-up time from full power-down 1 Sample tested during initial release to ensure compliance. All timing specifications given are with a 10 pF load capacitance. With a load capacitance greater than this value, a digital buffer or latch must be used. 2 Guaranteed by characterization. All input signals are specified with tr = tf = 2 ns (10% to 90% of V DD) and timed from a voltage level of 1.6 V. 3 Mark/space ratio for the SCLK input is 40/60 to 60/40. 4 Minimum f SCLK at which specifications are guaranteed. 5 The time required for the output to cross the V IH or VIL voltage. 6 See the Power-Up Times section. |
Podobny numer części - AD7277BUJZ-500RL7 |
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Podobny opis - AD7277BUJZ-500RL7 |
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