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ADS5485IRGCRG4 Datasheet(PDF) 4 Page - Texas Instruments |
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ADS5485IRGCRG4 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 33 page ADS5484 ADS5485 SLAS610C – AUGUST 2008 – REVISED OCTOBER 2009 ............................................................................................................................................... www.ti.com RECOMMENDED OPERATING CONDITIONS ADS5484, ADS5485 UNIT MIN NOM MAX SUPPLIES AVDD5 Analog supply voltage 4.75 5 5.25 V AVDD3 Analog supply voltage 3.15 3.3 3.45 V DVDD3 Output driver supply voltage 3 3.3 3.6 V ANALOG INPUT Differential input voltage range 3 VPP VCM Input common-mode voltage 3.1 V DIGITAL OUTPUT (DRY, DATA) Maximum differential output load (parasitic or intentional) 5 pF Differential output resistance 100 Ω CLOCK INPUT (CLK) Max CLK input sample rate (sine wave) 10 Rated MSPS Clock Clock amplitude, differential sine wave (see Figure 39) 1.5 5 VPP Clock duty cycle (see Figure 44) 45% 50% 55% TA Operating free-air temperature –40 +85 °C ELECTRICAL CHARACTERISTICS (ADS5484, ADS5485) Typical values at TA = 25°C: minimum and maximum values over full temperature range TMIN = –40°C to TMAX = 85°C, sampling rate = max rated, 50% clock duty cycle, AVDD5 = 5 V, AVDD3 = 3.3 V, DVDD3 = 3.3 V, –1 dBFS differential input, and 3-VPP differential clock, unless otherwise noted. ADS5484 ADS5485 PARAMETER TEST CONDITIONS UNIT MIN TYP MAX MIN TYP MAX Clock rate 170 200 MSPS Resolution 16 16 Bits ANALOG INPUTS Differential input voltage range 3 3 VPP Self-biased; see VCM Analog input common-mode voltage 3.1 3.1 V specification below Input resistance (dc) Each input to VCM 1000 1000 Ω Each input to GND (unsoldered Input capacitance 3.5 3.5 pF package) Analog input bandwidth (–3dB) 730 730 MHz Common-mode signal CMRR Common-mode rejection ratio 65 65 dB 70 MHz (see Figure 26) INTERNAL REFERENCE VOLTAGE VREF Reference voltage 1.2 1.2 V Analog input common-mode voltage VCM With internal voltage reference 2.9 3.1 3.3 2.9 3.1 3.3 V reference output VCM temperature coefficient -1 -1 mV/°C 4 Submit Documentation Feedback Copyright © 2008–2009, Texas Instruments Incorporated Product Folder Link(s): ADS5484 ADS5485 |
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