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ADC3422IRTQR Datasheet(PDF) 6 Page - Texas Instruments |
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ADC3422IRTQR Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 79 page  ADC3421, ADC3422, ADC3423, ADC3424 SBAS673A – JULY 2014 – REVISED OCTOBER 2015 www.ti.com 7.4 Thermal Information ADC342x THERMAL METRIC(1) RTQ (VQFN) UNIT 56 PINS RθJA Junction-to-ambient thermal resistance 25.3 °C/W RθJC(top) Junction-to-case (top) thermal resistance 9.5 °C/W RθJB Junction-to-board thermal resistance 3.4 °C/W ψJT Junction-to-top characterization parameter 0.2 °C/W ψJB Junction-to-board characterization parameter 3.3 °C/W RθJC(bot) Junction-to-case (bottom) thermal resistance 0.5 °C/W (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. 7.5 Electrical Characteristics: General Typical values are over the operating free-air temperature range, at TA = 25°C, full temperature range is TMIN = –40°C to TMAX = 85°C, maximum sampling rate, 50% clock duty cycle, AVDD = DVDD = 1.8 V, and –1-dBFS differential input, unless otherwise noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT ANALOG INPUT Differential input full-scale 2.0 VPP ri Input resistance Differential at dc 6.6 k Ω ci Input capacitance Differential at dc 3.7 pF VOC(VCM) VCM common-mode voltage output 0.95 V VCM output current capability 10 mA Input common-mode current Per analog input pin 1.5 µA/MSPS 50- Ω differential source driving 50-Ω termination Analog input bandwidth (3 dB) 540 MHz across INP and INM DC ACCURACY EO Offset error –25 25 mV αEO Temperature coefficient of offset error ± 0.024 mV/°C Gain error as a result of internal EG(REF) –2 2 %FS reference inaccuracy alone EG(CHAN) Gain error of channel alone –2 %FS α(EGCHAN) Temperature coefficient of EG(CHAN) ±0.008 Δ%FS/Ch CHANNEL-TO-CHANNEL ISOLATION Near channel 105 fIN = 10 MHz Far channel 105 Near channel 95 fIN = 100 MHz Far channel 105 Near channel 94 Crosstalk(1) fIN = 200 MHz dB Far channel 105 Near channel 92 fIN = 230 MHz Far channel 105 Near channel 85 fIN = 300 MHz Far channel 105 (1) Crosstalk is measured with a –1-dBFS input signal on the aggressor channel and no input on the victim channel. 6 Submit Documentation Feedback Copyright © 2014–2015, Texas Instruments Incorporated Product Folder Links: ADC3421 ADC3422 ADC3423 ADC3424 |
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