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ADS62P28IRGCT Datasheet(PDF) 9 Page - Texas Instruments |
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ADS62P28IRGCT Datasheet(HTML) 9 Page - Texas Instruments |
9 / 76 page DIGITAL CHARACTERISTICS — ADS62Px9/x8 Dn_Dn+1_P DAnP/DBnP Dn_Dn+1_M DAnM/DBnM GND GND V V OCM Logic0 V = –350mV ODL (1) Logic1 V =350mV ODH (1) T0334-02 ADS62P49 / ADS62P29 ADS62P48 / ADS62P28 www.ti.com............................................................................................................................................................. SLAS635A – APRIL 2009 – REVISED JUNE 2009 The DC specifications refer to the condition where the digital outputs are not switching, but are permanently at a valid logic level 0 or 1. AVDD = 3.3V, DRVDD = 1.8V ADS62P49/ADS62P48/ ADS62P29/ADS62P28 PARAMETER TEST CONDITIONS UNIT MIN TYP MAX DIGITAL INPUTS – CTRL1, CTRL2, CTRL3, RESET, SCLK, SDATA, SEN(1) High-level input voltage 1.3 V All digital inputs support 1.8V and 3.3V CMOS logic levels. Low-level input voltage 0.4 V SDATA, SCLK(2) 16 High-level input current VHIGH = 3.3 V µA SEN(3) 10 SDATA, SCLK 0 Low-level input current VLOW = 0 V µA SEN –20 Input capacitance 4 pF DIGITAL OUTPUTS – CMOS INTERFACE (DA0-DA13, DB0-DB13, CLKOUT, SDOUT) High-level output voltage DRVDD IOH = 1mA DRVDD V –0.1 Low-level output voltage IOL = 1mA 0 0.1 V Output capacitance (internal to device) 2 pF DIGITAL OUTPUTS – LVDS INTERFACE VODH High-level output differential voltage With external 100 Ω termination. 275 350 425 mV VODL Low-level output differential voltage With external 100 Ω termination. –425 –350 –275 mV VOCM Output common-mode voltage 1 1.15 1.4 V Capacitance inside the device from Output Capacitance 2 pF each output to ground (1) SCLK, SDATA, SEN function as digital input pins in serial configuration mode. (2) SDATA, SCLK have internal 200 k Ω pull-down resistor (3) SEN has internal 100 k Ω pull-up resistor to AVDD. Since the pull-up is weak, SEN can also be driven by 1.8V or 3.3V CMOS buffers. (1) With external 100- Ω termination Figure 3. LVDS Output Voltage Levels Copyright © 2009, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Link(s): ADS62P49 / ADS62P29 ADS62P48 / ADS62P28 |
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