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ADS1293CISQE Arkusz danych(PDF) 8 Page - Texas Instruments |
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ADS1293CISQE Arkusz danych(HTML) 8 Page - Texas Instruments |
8 / 78 page ADS1293 SNAS602C – FEBRUARY 2013 – REVISED DECEMBER 2014 www.ti.com Electrical Characteristics (1) (continued) Unless otherwise noted, all limits are specified at TA = 25°C, 2.7 V ≤ VDD ≤ 5.5 V, 1.65 V ≤ VDDIO ≤ MIN(3.6 V, VDD), VREF = 2.4 V, fOSC = 409.6 kHz, 1-µF low-ESR capacitor between CVREF and GND, 0.1-µF capacitor between RLDREF and GND. PARAMETER TEST CONDITIONS MIN(2) TYP(3) MAX(2) UNIT ANALOG PACE CHANNEL Gain 3.5 V/V BW –3dB Bandwidth 50 kHz Output Reference RLDREF V VOS Input-Referred Offset Voltage ±1.3 mV 2.7 V ≤ VDD < 3.3 V –330 330 mV TMIN ≤ TA ≤ TMAX DIVR Differential Input Voltage Range 3.3 V ≤ VDD –400 400 mV TMIN ≤ TA ≤ TMAX Common-Mode Voltage Range for full CMVR TMIN ≤ TA ≤ TMAX 0.95 VDD – 1.1 V DIVR CMRR Common-Mode Rejection Ratio 0.5 V ≤ VCM ≤ VDD-1.5 V 85 dB PSRR Power Supply Rejection Ratio 3 V ≤ VDD ≤ 5 V, VCM=RLDREF 80 dB SR Slew Rate 35 mV/µs Overload Recovery 100 µs Ve-APACE Input-Referred Noise for Analog Pace VCM = RLDREF, 0.1 kHz - 20 kHz 105 µVPP IVDD Current Consumption 29 µA CLOCK fOSC Internal Clock Frequency fCRYSTAL = 4.096 MHz 409.6 kHz Internal Clock Duty Cycle 50% TSTART Internal Clock Start-up Time fCRYSTAL = 4.096 MHz 15 ms IVDD Internal Clock Power Consumption 83 µA fEXT External Clock Frequency(5) TMIN ≤ TA ≤ TMAX 370 409.6 450 kHz External Clock Duty Cycle(5) TMIN ≤ TA ≤ TMAX 40% 50% 60% DIGITAL INPUT / OUTPUT CHARACTERISTICS 0.8 × VIH Logical “1” Input Voltage TMIN ≤ TA ≤ TMAX V VDDIO 0.2 × VIL Logical “0” Input Voltage TMIN ≤ TA ≤ TMAX V VDDIO ISOURCE = 400 µA, Digital output high-drive mode VDDIO – TMIN ≤ TA ≤ TMAX 0.075 VOH Logical “1” Output Voltage V ISOURCE = 400 µA, Digital output low-drive mode VDDIO – TMIN ≤ TA ≤ TMAX 0.15 ISINK = 400 µA, Digital output high-drive mode VSSIO + V TMIN ≤ TA ≤ TMAX 0.075 VOL Logical “0” Output Voltage ISINK = 400 µA, Digital output low-drive mode VSSIO + V TMIN ≤ TA ≤ TMAX 0.15 SYNCB and RESETB pins, with 1-M Ω internal µA ±1 pullup resistor IIOHL Digital IO Leakage Current Other digital I/O pins nA –500 500 TMIN ≤ TA ≤ TMAX (5) Specified by design; not production tested. 8 Submit Documentation Feedback Copyright © 2013–2014, Texas Instruments Incorporated Product Folder Links: ADS1293 |
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