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ADS7948SRTET Arkusz danych(PDF) 6 Page - Texas Instruments |
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ADS7948SRTET Arkusz danych(HTML) 6 Page - Texas Instruments |
6 / 39 page ADS7947 ADS7948 ADS7949 SLAS708 – SEPTEMBER 2010 www.ti.com ELECTRICAL CHARACTERISTICS: ADS7948 (10-Bit) (continued) Minimum/maximum specifications at AVDD = 2.7V to 5.5V, DVDD = 1.65V to AVDD, TA = –40°C to +125°C, and fSAMPLE = 2MSPS, unless otherwise noted. Typical specifications at AVDD = 3V, DVDD = 1.8V, TA = +25°C, and fSAMPLE = 2MSPS. PARAMETER TEST CONDITIONS MIN TYP MAX UNITS POWER-SUPPLY REQUIREMENTS AVDD 2.7 3.3 5.5 V DVDD 1.65 3.3 AVDD V AVDD = 3.3V, fSAMPLE = 2MSPS 2.5 mA IDYNAMIC AVDD = 5V, fSAMPLE = 2MSPS 3 3.5 mA AVDD supply current AVDD = 3.3V, SCLK off 1.8 mA ISTATIC AVDD = 5V, SCLK off 1.9 2.5 mA DVDD = 3.3V, SCLK = 34MHz, 500 µA DVDD supply current(6) SDO load 20pF IPD-DYNAMIC SCLK = 34MHz 550 µA Power-down state AVDD supply current IPD-STATIC SCLK off 2.5 µA Power-up time 1 µs TEMPERATURE RANGE Specified performance –40 +125 °C (6) DVDD consumes only dynamic current. IDVDD = CLOAD × DVDD × number of 0→1 transitions in SDO × fSAMPLE. This is a load-dependent current and there is no DVDD current when the output is not toggling. 6 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated Product Folder Link(s): ADS7947 ADS7948 ADS7949 |
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