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DAC38RF89IAAVR 데이터시트(PDF) 9 Page - Texas Instruments |
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DAC38RF89IAAVR 데이터시트(HTML) 9 Page - Texas Instruments |
9 / 139 page 9 DAC38RF82, DAC38RF89 www.ti.com SLASEA6 – FEBRUARY 2017 Product Folder Links: DAC38RF82 DAC38RF89 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated Electrical Characteristics - Digital Specifications (continued) Typical values at TA = 25°C, full temperature range is TMIN = –40°C to TMAX = 85°C, external differential clock mode at 9 GSPS, 12x Interpolation, fOUT = 2.14 GHz, I(OUTFS) = 40 mA, nominal supplies, LMFSHd = 84111, unless otherwise noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VCOM Input Common Mode Voltage TERM = 111 600 mV TERM = 001 700 TERM = 100 0 TERM = 101 250 ZDDIFF Internal differential termination 85 100 115 Ω fSERDES Serdes bit rate 0.78125 12.5 Gbps DIFFERENTIAL CLOCK INPUTS: SYSREF+/-, DACCLK+/- fDACCLK DACCLK input frequency 0.1 9 GHz VCOM Input common mode voltage 0.5 V VI(DPP) Differential input peak-to-peak voltage 800 2000 mV ZT Internal termination 100 Ω CL Input capacitance 2 pF Duty cycle (DACCLK only 40% 60% LVDS OUTPUT: SYNC0+/-, SYNC1+/- VCOM Output common mode voltage 1.2 V ZT Internal termination 100 Ω VOD Differential output voltage swing 500 mV CML OUTPUT: DIVCLKOUT+/- VOD CML OUTPUT: CLKTX+/- 1300 mV CMOS INTERFACE: SDEN, SCLK, SDIO, SDO, TXENABLE, ALARM, RESET, SLEEP, TMS, TCLK, TDI, TDO, TRST, TESTMODE, SYNCSE1, SYNCSE2 VIH High-level input voltage 0.7 x VDDIO V VIL Low-level input voltage 0.3 x VDDIO V IIH High-level input current –40 40 µA IOL Low-level input current –40 40 µA CI CMOS input capacitance 2 pF VOH High-level output voltage ILOAD = –100 µA VDDIO – 0.2 V ILOAD = –2 mA 0.8 x VDDIO VOL Low-level output voltage ILOAD = –100 µA 0.2 V ILOAD = –2 mA 0.5 LATENCY RX SerDes Digital Delay full rate, RATE = “00” 34 UI half rate, RATE = “01” 29 quarter rate, RATE = “10” 26.5 eighth rate, RATE = “11” 26.25 SerDes output to JED204B elastic buffer input latency 21 -39 JESD clock cycles |
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