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ADS1194CZXGR bảng dữ liệu(PDF) 3 Page - Texas Instruments |
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ADS1194CZXGR bảng dữ liệu(HTML) 3 Page - Texas Instruments |
3 / 73 page ADS1194 ADS1196 ADS1198 www.ti.com SBAS471A – APRIL 2010 – REVISED SEPTEMBER 2010 THERMAL INFORMATION ADS1194/6/8 ADS1194/6/8 THERMAL METRIC(1) PAG ZXG UNITS 64 PINS 64 PINS qJA Junction-to-ambient thermal resistance 29 29 qJCtop Junction-to-case (top) thermal resistance 10.4 10.4 qJB Junction-to-board thermal resistance 14.8 14.8 °C/W yJT Junction-to-top characterization parameter 0.2 0.2 yJB Junction-to-board characterization parameter 8.2 8.2 qJCbot Junction-to-case (bottom) thermal resistance n/a n/a (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. ELECTRICAL CHARACTERISTICS 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 ANALOG INPUTS Full-scale differential input voltage ±VREF/GAIN V (AINP – AINN) See the Input Common-Mode Range Input common-mode range subsection of the PGA Settings and Input Range section Input capacitance 20 pF Input = 1.5V, TA = +25°C ±200 pA Input bias current Input = 1.5V TA = 0°C to +70°C ±1 nA No lead-off 1000 M Ω DC input impedance Current source lead-off detection 500 M Ω Pull-up resistor lead-off detection 10 M Ω PGA PERFORMANCE Gain settings 1, 2, 3, 4, 6, 8, 12 Bandwidth See Table 4 ADC PERFORMANCE Resolution No missing codes 16 Bits Data rate 125 8000 SPS Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): ADS1194 ADS1196 ADS1198 |
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