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ADS1259IPWR Arkusz danych(PDF) 4 Page - Texas Instruments |
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ADS1259IPWR Arkusz danych(HTML) 4 Page - Texas Instruments |
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4 / 45 page  ADS1259 SBAS424C – JUNE 2009 – REVISED MARCH 2010 www.ti.com ELECTRICAL CHARACTERISTICS (continued) Minimum/maximum specifications are at TA = –40°C to +105°C. Typical specifications are at TA = +25°C, AVDD = +2.5V, AVSS = –2.5V, DVDD = +3.3V, fCLK = 7.3728MHz, VREF = 2.5V, and fDATA = 60SPS, unless otherwise noted. ADS1259 ADS1259B PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX UNIT CLOCK SOURCE (fCLK) Nominal frequency 7.3728 7.3728 MHz Internal oscillator Accuracy ±0.2 ±2 ±0.2 ±2 % Frequency range 2 7.3728 8 2 7.3728 8 MHz Crystal oscillator Start-up time (11) 20 20 ms Frequency range 0.1 7.3728 8 0.1 7.3728 8 MHz External clock Duty cycle 40 60 40 60 % DIGITAL INPUT/OUTPUT (DVDD = 2.7V to 5.25V) VIH 0.8 DVDD DVDD 0.8 DVDD DVDD V VIL DGND 0.2 DVDD DGND 0.2 DVDD V IOH = 1mA 0.8 DVDD 0.8 DVDD V VOH IOH = 8mA 0.75 DVDD 0.75 DVDD V IOL = 1mA 0.2 DVDD 0.2 DVDD V VOL IOL = 8mA 0.2 DVDD 0.2 DVDD V Input hysteresis 0.1 0.1 V Input leakage 0 < VDIGITAL INPUT < DVDD ±10 ±10 mA POWER SUPPLY AVSS –2.6 0 –2.6 0 V AVDD AVSS + 4.75 AVSS + 5.25 AVSS + 4.75 AVSS + 5.25 V DVDD 2.7 5.25 2.7 5.25 V Operating 2.3 3.8 2.3 3.8 |mA| (reference enabled) Sleep mode 200 200 |mA| (reference enabled) AVDD, AVSS current Sleep mode 1 40 1 40 |mA| (reference disabled) Power-Down mode 1 40 1 40 |mA| Operating 500 700 500 700 mA DVDD current (12) Sleep mode 160 300 160 300 mA Power-Down mode (13) 1 10 1 10 mA Operating 13 22 13 22 mW Sleep mode 1.5 1.5 mW (reference enabled) Power dissipation Sleep mode 0.5 1.2 0.5 1.2 mW (reference disabled) Power-Down mode 10 240 10 240 mW TEMPERATURE RANGE Specified temperature range –40 +105 –40 +105 °C Operating temperature range –40 +125 –40 +125 °C Storage temperature range –60 +150 –60 +150 °C (11) Crystal operation using 18pF load capacitors. (12) Specified with internal oscillator operating (internal oscillator current: 40µA, typ). (13) External CLKIN, SCLK stopped. Digital inputs maintained at VIH or VIL voltage levels. 4 Submit Documentation Feedback Copyright © 2009–2010, Texas Instruments Incorporated Product Folder Link(s): ADS1259 |
Podobny numer części - ADS1259IPWR |
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Podobny opis - ADS1259IPWR |
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