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ADS4226 bảng dữ liệu(PDF) 7 Page - Texas Instruments |
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ADS4226 bảng dữ liệu(HTML) 7 Page - Texas Instruments |
7 / 97 page ADS4222, ADS4225, ADS4226 ADS4242, ADS4245, ADS4246 www.ti.com SBAS533 – MARCH 2011 ELECTRICAL CHARACTERISTICS: GENERAL Typical values are at +25 °C, AVDD = 1.8V, DRVDD = 1.8V, 50% clock duty cycle, and –1dBFS differential analog input, unless otherwise noted. Minimum and maximum values are across the full temperature range: TMIN = –40°C to TMAX = +85°C, AVDD = 1.8V, and DRVDD = 1.8V. ADS4222/ADS4242 (65MSPS) ADS4225/ADS4245 (125MSPS) ADS4226/ADS4246 (160MSPS) PARAMETER MIN TYP MAX MIN TYP MAX MIN TYP MAX UNIT ANALOG INPUTS Differential input voltage range (0dB gain) 2 2 2 VPP Differential input resistance (at 200MHz) 0.75 0.75 0.75 k Ω Differential input capacitance (at 200MHz) 3.7 3.7 3.7 pF Analog input bandwidth 550 550 550 MHz (with 50 Ω source impedance, and 50Ω termination) Analog input common-mode current 1.5 1.5 1.5 µA/MSPS (per input pin of each channel) Common-mode output voltage VCM 0.95 0.95 0.95 V VCM output current capability 4 4 4 mA DC ACCURACY Offset error 2.5 2.5 –15 2.5 15 mV Temperature coefficient of offset error 0.003 0.003 0.003 mV/ °C Gain error as a result of internal EGREF –2 2 –2 2 –2 2 %FS reference inaccuracy alone Gain error of channel alone EGCHAN ±0.1 –1 ±0.1 ±0.1 –1 %FS Temperature coefficient of EGCHAN 0.002 0.002 0.002 Δ%/°C POWER SUPPLY IAVDD 73 105 123 150 mA Analog supply current IDRVDD Output buffer supply current 96 99 111 135 mA LVDS interface, 350mV swing with 100 Ω external termination, fIN = 2.5MHz IDRVDD Output buffer supply current 44 76 94 mA CMOS interface, 8pF external load capacitance, fIN = 2.5MHz (1) Analog power 133 189 222 mW Digital power LVDS interface, 350mV swing with 100 Ω external 173 179 199 mW termination, fIN = 2.5MHz Digital power CMOS interface, 8pF external load capacitance (1) 80 137 169 mW fIN = 2.5MHz Global power-down 25 25 25 mW (1) 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 © 2011, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Link(s): ADS4222 ADS4225 ADS4226 ADS4242 ADS4245 ADS4246 |
Số phần tương tự - ADS4226 |
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Mô tả tương tự - ADS4226 |
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