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ADS1194 Arkusz danych(PDF) 5 Page - Texas Instruments |
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ADS1194 Arkusz danych(HTML) 5 Page - Texas Instruments |
5 / 76 page ADS1194, ADS1196 ADS1198 www.ti.com SBAS471C – APRIL 2010 – REVISED NOVEMBER 2011 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 SYSTEM MONITORS Analog supply reading error 2 % Digital supply reading error 2 % From power-up 150 ms Device wake up STANDBY mode 9 ms Temperature sensor reading, voltage 145 mV Temperature sensor reading, coefficient 490 μV/°C Test Signal Signal frequency See Register Map section for settings Hz fCLK/2 21, f CLK/2 20 Signal voltage See Register Map section for settings ±1, ±2 mV Accuracy ±2 % CLOCK Nominal frequency 2.048 MHz Internal oscillator clock frequency TA = +25°C 0.5 % 0 °C ≤ TA ≤ +70°C ±2 % Internal oscillator start-up time 20 μs Internal oscillator power consumption 120 μW External clock input frequency CLKSEL pin = 0 0.5 2.048 2.25 MHz 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 = –500μA DVDD – 0.4 V VOL IOL = +500μA 0.4 V Input current (IIN) 0V < VDigitalInput < DVDD –10 +10 μA 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 Copyright © 2010–2011, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): ADS1194 ADS1196 ADS1198 |
Podobny numer części - ADS1194_13 |
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Podobny opis - ADS1194_13 |
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