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ADS1194CZXGT bảng dữ liệu(PDF) 6 Page - Texas Instruments |
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ADS1194CZXGT bảng dữ liệu(HTML) 6 Page - Texas Instruments |
6 / 73 page ADS1194 ADS1196 ADS1198 SBAS471A – APRIL 2010 – REVISED SEPTEMBER 2010 www.ti.com ELECTRICAL CHARACTERISTICS (continued) Minimum/maximum specifications apply from 0°C to +70°C. Typical specifications are at +25°C. All specifications at DVDD = 1.8V, AVDD – AVSS = 3V, VREF = 2.4V, external fCLK = 2.048MHz, data rate = 500SPS, and gain = 6, unless otherwise noted. ADS1194, ADS1196, ADS1198 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT DIGITAL INPUT/OUTPUT (DVDD = 1.65V to 3.6V) VIH 0.8DVDD DVDD + 0.1 V VIL –0.1 0.2DVDD V Logic level VOH IOH = –500mA DVDD – 0.4 V VOL IOL = +500mA 0.4 V Input current (IIN) 0V < VDigitalInput < DVDD –10 +10 mA POWER-SUPPLY REQUIREMENTS Analog supply (AVDD – AVSS) 2.7 3 5.25 V Digital supply (DVDD) 1.65 1.8 3.6 V AVDD – DVDD –2.1 3.6 V SUPPLY CURRENT (RLD, WCT, and Pace Amplifiers Turned Off) AVDD – AVSS = 3V 1.3 mA IAVDD AVDD – AVSS = 5V 1.6 mA Normal mode (ADS1198) DVDD = 3.0V 0.5 mA IDVDD DVDD = 1.8V 0.3 mA POWER DISSIPATION (Analog Supply = 3V, RLD, WCT, and Pace Amplifiers Turned Off) Power-down 10 mW Quiescent power dissipation Standby mode 2 mW ADS1198 Normal mode 4.3 4.8 mW Quiescent power dissipation ADS1196 Normal mode 3.6 4 mW ADS1194 Normal mode 3 3.3 mW Quiescent Channel Power PGA + BUFFER + ADC 350 µW POWER DISSIPATION (Analog Supply = 5V, RLD, WCT, and Pace Amplifiers Turned Off) Power-down 20 mW Quiescent power dissipation Standby mode, internal reference 4 mW ADS1198 Normal mode 8.2 mW Quiescent power dissipation ADS1196 Normal mode 6.9 mW ADS1194 Normal mode 5.7 mW Quiescent Channel Power PGA + BUFFER + ADC 620 µW TEMPERATURE Specified temperature range 0 +70 °C Operating temperature range 0 +70 °C Storage temperature range –60 +150 °C 6 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated Product Folder Link(s): ADS1194 ADS1196 ADS1198 |
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