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ADS8512IDWR bảng dữ liệu(PDF) 4 Page - Texas Instruments |
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ADS8512IDWR bảng dữ liệu(HTML) 4 Page - Texas Instruments |
4 / 34 page ADS8512 SLAS485 – JUNE 2008 ...................................................................................................................................................................................................... www.ti.com ELECTRICAL CHARACTERISTICS (continued) At TA = -40°C to +85°C, fS = 40 kHz, VS = 5 V, and using internal reference and fixed resistors, unless otherwise specified. ADS8512I ADS8512IB PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX UNIT DIGITAL INPUTS VIL Low-level input voltage –0.3 +0.8 –0.3 +0.8 V VIH High-level input voltage 2.0 VS + 0.3 2.0 VS + 0.3 V IIL Low-level input current VIL = 0 V ±10 ±10 µA IIH High-level input current VIH = 5 V ±10 ±10 µA DIGITAL OUTPUTS Data format - Serial Data coding - binary 2s complement VOL Low-level output voltage ISINK = 1.6 mA 0.4 0.4 V VOH High-level output voltage ISOURCE = 500 µA 4 4 V High-Z state, Leakage current ±1 ±1 µA VOUT = 0 V to VS Output capacitance High-Z state 15 15 pF DIGITAL TIMING Bus access time RL = 3.3 kΩ, CL = 50 pF 83 83 ns Bus relinquish time RL = 3.3 kΩ, CL = 10 pF 83 83 ns POWER SUPPLIES VS Analog voltage 4.75 5 5.25 4.75 5 5.25 V IDIG Digital current 0.6 0.6 mA IANA Analog current 4.2 4.2 mA VS = 5 V, fS = 40 kHz 24 32.5 24 32.5 mW Power dissipation PWRD 50 50 µW TEMPERATURE RANGE Specified performance –40 +85 –40 +85 °C Derated performance –55 +125 –55 +125 °C Storage temperature –65 +150 –65 +150 °C θ JA Thermal resistance SO-16 46 46 °C/W Table 1. Input Ranges CONNECT R1IN CONNECT R2IN CONNECT R3IN INPUT IMPEDANCE ANALOG INPUT RANGE TO TO TO (k Ω) ±10 V VIN BUF GND 45.7 0.3125V to 2.8125 V VIN VIN VIN > 10,000 ±5 V GND BUF VIN 26.7 0 V to 10 V BUF GND VIN 26.7 0 V to 4 V BUF VIN GND 21.3 ±3.33 V VIN BUF VIN 21.3 0.5 V to 4.5 V GND VIN GND 21.3 4 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated Product Folder Link(s): ADS8512 |
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Mô tả tương tự - ADS8512IDWR |
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