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ADS4225IRGC25 bảng dữ liệu(PDF) 4 Page - Texas Instruments |
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ADS4225IRGC25 bảng dữ liệu(HTML) 4 Page - Texas Instruments |
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4 / 97 page  ADS4222, ADS4225, ADS4226 ADS4242, ADS4245, ADS4246 SBAS533 – MARCH 2011 www.ti.com RECOMMENDED OPERATING CONDITIONS Over operating free-air temperature range, unless otherwise noted. ADS422x/424x PARAMETER MIN NOM MAX UNIT SUPPLIES Analog supply voltage, AVDD 1.7 1.8 1.9 V Digital supply voltage, DRVDD 1.7 1.8 1.9 V ANALOG INPUTS Differential input voltage range 2 VPP Input common-mode voltage VCM ± 0.05 V Maximum analog input frequency with 2VPP input amplitude (1) 400 MHz Maximum analog input frequency with 1VPP input amplitude (1) 600 MHz CLOCK INPUT Input clock sample rate (ADS4222/ADS4242) Low-speed mode enabled (by default after reset) 1 65 MSPS Input clock sample rate (ADS4225/ADS4245) Low-speed mode enabled(2) 1 80 MSPS Low-speed mode disabled(2) (by default after reset) 80 125 MSPS Input clock sample rate (ADS4226/ADS4246) Low-speed mode enabled(2) 1 80 MSPS Low-speed mode disabled(2) (by default after reset) 80 160 MSPS Sine wave, ac-coupled 0.2 1.5 VPP LVPECL, ac-coupled 1.6 VPP Input clock amplitude differential (VCLKP – VCLKM) LVDS, ac-coupled 0.7 VPP LVCMOS, single-ended, ac-coupled 1.5 V Input clock duty cycle Low-speed mode disabled 35 50 65 % Low-speed mode enabled 40 50 60 % DIGITAL OUTPUTS Maximum external load capacitance from each output pin to DRGND, CLOAD 5 pF Differential load resistance between the LVDS output pairs (LVDS mode), RLOAD 100 Ω HIGH-PERFORMANCE MODES(3)(4) Set the HIGH PERF MODE register bit to obtain best performance across sample clock and input High-performance mode signal frequencies. Register address = 03h, data = 03h Set the HIGH FREQ MODE CH A and HIGH FREQ MODE CH B register bits for high input signal High-frequency mode frequencies greater than 200MHz. Register address = 4Ah, data = 01h Register address = 58h, data = 01h Operating free-air temperature, TA –40 +85 °C (1) See the Theory of Operation section in the Application Information. (2) See the Serial Interface Configuration section for details on programming the low-speed mode. (3) It is recommended to use these modes to obtain best performance. (4) See the Serial Interface Configuration section for details on register programming. 4 Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated Product Folder Link(s): ADS4222 ADS4225 ADS4226 ADS4242 ADS4245 ADS4246 |
Số phần tương tự - ADS4225IRGC25 |
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Mô tả tương tự - ADS4225IRGC25 |
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