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LM98725 Datasheet(PDF) 10 Page - Texas Instruments |
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LM98725 Datasheet(HTML) 10 Page - Texas Instruments |
10 / 145 page LM98725 SNAS474H – APRIL 2009 – REVISED MARCH 2015 www.ti.com Electrical Characteristics (continued) The following specifications apply for VA = VD = VR = VC = 3.3 V, CL = 10 pF, and fINCLK = 27 MHz unless otherwise specified. all other limits TA = 25°C. (1) PARAMETER TEST CONDITIONS MIN(2) TYP(3) MAX(2) UNIT ADC SPECIFICATIONS VREFT Top of Reference 2.07 V VREFB Bottom of Reference 0.89 V VREFT - V Differential Reference Voltage 1.06 1.18 1.30 VREFB Over range Output Code 65535 Under range Output Code 0 DIGITAL OFFSET “DAC” SPECIFICATIONS Resolution 7 Bits Digital Offset DAC LSB Step Referred to AFE Output LSB 32 Size Min DAC Code =7'b0000000 –2048 Offset Adjustment Range Mid DAC Code =7'b1000000 0 LSB Referred to AFE Output Max DAC Code = 7'b1111111 +2016 FULL CHANNEL PERFORMANCE SPECIFICATIONS DNL See (4) +0.8/ LSB Differential Non-Linearity -0.999 2.5 –0.7 INL See (4) +18/ LSB Integral Non-Linearity –75 75 –25 –76 dB Minimum PGA Gain(4) LSB 10 26 RMS SNR Total Output Noise –56 dB Maximum PGA Gain(4) LSB 96 RMS Mode 3 26 Channel to Channel Crosstalk LSB Mode 2 17 (4) This parameter ensured by design and characterization. 10 Submit Documentation Feedback Copyright © 2009–2015, Texas Instruments Incorporated Product Folder Links: LM98725 |
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