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ADS41B49IRGZ25 Arkusz danych(PDF) 5 Page - Texas Instruments |
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ADS41B49IRGZ25 Arkusz danych(HTML) 5 Page - Texas Instruments |
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5 / 65 page  ADS41B29 ADS41B49 www.ti.com SBAS486E – NOVEMBER 2009 – REVISED JULY 2012 ELECTRICAL CHARACTERISTICS: GENERAL Typical values are at +25°C, AVDD = 1.8V, AVDD_BUF = 3.3V, DRVDD = 1.8V, and 50% clock duty cycle, unless otherwise noted. Minimum and maximum values are across the full temperature range: TMIN = –40°C to TMAX = +85°C, AVDD = 1.8V, AVDD_BUF = 3.3V, and DRVDD = 1.8V. ADS41B29, ADS41B49 PARAMETER MIN TYP MAX UNIT ANALOG INPUTS Differential input voltage range 1.5 VPP Differential input resistance, at dc (see Figure 60) 10 k Ω Differential input capacitance (see Figure 61) 3.5 pF Analog input bandwidth 800 MHz Analog input common-mode current (per input pin) 2 µA Common-mode output voltage VCM 1.7 V VCM output current capability 4 mA DC ACCURACY Offset error –15 2.5 15 mV Temperature coefficient of offset error 0.003 mV/°C Gain error as a result of EGREF –2 2 %FS internal reference inaccuracy alone Gain error of channel alone EGCHAN 2.5 %FS POWER SUPPLY IAVDD 99.5 115 mA Analog supply current IAVDD_BUF 29 42 mA Analog input buffer supply current IDRVDD(1) Output buffer supply current 63 mA LVDS interface with 100 Ω external termination Low LVDS swing (200mV) IDRVDD Output buffer supply current 75 90 mA LVDS interface with 100 Ω external termination Standard LVDS swing (350mV) IDRVDD output buffer supply current(1)(2) CMOS interface(2) 35 mA 8pF external load capacitance fIN = 2.5MHz Global power-down 10 25 mW Standby 200 mW (1) The maximum DRVDD current with CMOS interface depends on the actual load capacitance on the digital output lines. Note that the maximum recommended load capacitance on each digital output line is 10pF. (2) In CMOS mode, the DRVDD current scales with the sampling frequency, the load capacitance on output pins, input frequency, and the supply voltage (see the CMOS Interface Power Dissipation section in the Application Information). Copyright © 2009–2012, Texas Instruments Incorporated 5 |
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