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ADS4122IRGZR Arkusz danych(PDF) 7 Page - Texas Instruments |
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ADS4122IRGZR Arkusz danych(HTML) 7 Page - Texas Instruments |
7 / 74 page 7 ADS4122, ADS4125, ADS4142, ADS4145 www.ti.com SBAS520B – FEBRUARY 2011 – REVISED JANUARY 2016 Product Folder Links: ADS4122 ADS4125 ADS4142 ADS4145 Submit Documentation Feedback Copyright © 2011–2016, Texas Instruments Incorporated (1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. (2) When AVDD is turned off, it is recommended to switch off the input clock (or ensure the voltage on CLKP, CLKM is less than |0.3 V|. This prevents the ESD protection diodes at the clock input pins from turning on. 7 Specifications 7.1 Absolute Maximum Ratings Over operating free-air temperature range, unless otherwise noted. (1) MIN MAX UNIT Supply voltage, AVDD –0.3 2.1 V Supply voltage, DRVDD –0.3 2.1 V Voltage between AGND and DRGND –0.3 0.3 V Voltage between AVDD to DRVDD (when AVDD leads DRVDD) 0 2.1 V Voltage between DRVDD to AVDD (when DRVDD leads AVDD) 0 2.1 V Voltage applied to input pins INP, INM –0.3 minimum (1.9, AVDD + 0.3) V CLKP, CLKM(2), DFS, OE –0.3 AVDD + 0.3 V RESET, SCLK, SDATA, SEN –0.3 3.9 V Operating free-air temperature, TA –40 85 °C Operating junction temperature, TJ 125 °C Storage temperature, Tstg –65 150 °C (1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process. (2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process. 7.2 ESD Ratings VALUE UNIT V(ESD) Electrostatic discharge Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) ±2000 V Charged-device model (CDM), per JEDEC specification JESD22-C101(2) ±500 (1) With 0dB gain. See the Gain section in the Application Information for relation between input voltage range and gain. (2) See Application Information. 7.3 Recommended Operating Conditions Over operating free-air temperature range, unless otherwise noted. MIN NOM MAX UNIT SUPPLIES AVDD Analog supply voltage 1.7 1.8 1.9 V DRVDD Digital supply voltage 1.7 1.8 1.9 V ANALOG INPUTS Differential input voltage range(1) 2 VPP Input common-mode voltage VCM ± 0.05 V Maximum analog input frequency with 2-VPP input amplitude (2) 400 MHz Maximum analog input frequency with 1-VPP input amplitude (2) 800 MHz CLOCK INPUT Input clock sample rate ADS4122/ADS4142, low-speed mode enabled by default 20 65 MSPS ADS4125/ADS4145, low-speed mode enabled 20 80 ADS4125/ADS4145, low-speed mode disabled >80 125 Input clock amplitude differential (VCLKP – VCLKM) Sine wave, ac-coupled 0.2 1.5 VPP LVPECL, ac-coupled 1.6 LVDS, ac-coupled 0.7 LVCMOS, single-ended, ac-coupled 1.8 V |
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