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ADS5481 Arkusz danych(PDF) 4 Page - Texas Instruments |
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ADS5481 Arkusz danych(HTML) 4 Page - Texas Instruments |
4 / 42 page RECOMMENDED OPERATING CONDITIONS ELECTRICAL CHARACTERISTICS (ADS5481, ADS5482, ADS5483) ADS5481 ADS5482 ADS5483 SLAS565A – JUNE 2008 – REVISED NOVEMBER 2008................................................................................................................................................... www.ti.com ADS5481, ADS5482, ADS5483 UNIT MIN TYP MAX SUPPLIES AVDD5 Analog supply voltage 4.75 5 5.25 V AVDD3 Analog supply voltage 3.1 3.3 3.6 V DVDD3 Output driver supply voltage 3 3.3 3.6 V ANALOG INPUT Differential input range 3 VPP VCM Input common mode 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 69) 1.5 5 VPP Clock duty cycle (see Figure 74) 45 50 55 % TA Operating free-air temperature –40 +85 °C 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. ADS5481 ADS5482 ADS5483 PARAMETER TEST CONDITIONS UNIT MIN TYP MAX MIN TYP MAX MIN TYP MAX Clock rate 80 105 135 MSPS Resolution 16 16 16 Bits ANALOG INPUTS Differential input range 3 3 3 VPP Analog input common-mode Self-biased; see VCM 3.1 3.1 3.1 V voltage specification below Input resistance (dc) Each input to VCM 1000 1000 1000 Ω Each input to GND Input capacitance 3.5 3.5 3.5 pF (including package) Analog input bandwidth 125 125 485 MHz (–3dB) Common-mode signal CMRR Common-mode rejection ratio 65 65 65 dB 70 MHz (see Figure 56) INTERNAL REFERENCE VOLTAGE VREF Reference voltage 1.2 1.2 1.2 V Analog input common-mode With internal voltage VCM 3 3.15 3.35 3 3.15 3.35 3 3.15 3.35 V voltage reference output reference VCM temperature coefficient -1 -1 -1 mV/°C 4 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated Product Folder Link(s): ADS5481 ADS5482 ADS5483 |
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