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ADS1196 bảng dữ liệu(PDF) 4 Page - Texas Instruments |
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ADS1196 bảng dữ liệu(HTML) 4 Page - Texas Instruments |
4 / 75 page ADS1294 ADS1296 ADS1298 SBAS459D – JANUARY 2010 – REVISED MAY 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 (1), V REF = 2.4V, external fCLK = 2.048MHz, data rate = 500SPS, high resolution mode, and gain = 6, unless otherwise noted. ADS1294, ADS1296, ADS1298 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT RIGHT LEG DRIVE (RLD) AMPLIFIER AND PACE AMPLIFIERS Integrated noise BW = 150Hz 7 mVRMS Gain bandwidth product 50k Ω || 10pF load, gain = 1 100 kHz Slew rate 50k Ω || 10pF load, gain = 1 0.25 V/ms Total harmonic distortion fIN = 100Hz, gain = 1 –70 dB Common-mode input range AVSS + 0.7 AVDD – 0.3 V Common-mode resistor matching Internal 200k Ω resistor matching 0.1 % Short-circuit current ±0.25 mA Quiescent power consumption Either RLD or pace amplifier 20 mA WILSON CENTRAL TERMINAL (WCT) AMPLIFIER Integrated noise BW = 150Hz See Table 5 nV/ √Hz Gain bandwidth product See Table 5 kHz Slew rate See Table 5 V/s Total harmonic distortion fIN = 100Hz 90 dB Common-mode input range AVSS + 0.3 AVDD – 0.3 V Short-circuit current ±0.25 mA Quiescent power consumption See Table 5 mA LEAD-OFF DETECT Frequency See the Register Map section for settings 0, fDR/4 kHz Current See the Register Map section for settings 6, 12, 18, 24 nA Current accuracy ±10 % Comparator threshold accuracy ±30 mV EXTERNAL REFERENCE 3V supply VREF = (VREFP – VREFN) 2.5 V Reference input voltage 5V supply VREF = (VREFP – VREFN) 4.0 V Negative input (VREFN) AVSS V Positive input (VREFP) AVSS + 2.5 V Input impedance 10 k Ω INTERNAL REFERENCE CONFIG3.VREF_4V = 0 2.4 V Output voltage CONFIG3.VREF_4V = 1 4.0 V VREF accuracy ±0.2 % Drift 25 ppm/°C Start-up time 150 ms SYSTEM MONITORS Analog supply reading error 2 % Digital supply reading error 2 % From power-up to DRDY low 150 ms Device wake up STANDBY mode 9 ms Temperature sensor reading, voltage TA = +25°C 145 mV Temperature sensor reading, coefficient 490 mV/°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 % 4 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated Product Folder Link(s): ADS1294 ADS1296 ADS1298 |
Số phần tương tự - ADS1196 |
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Mô tả tương tự - ADS1196 |
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