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AFE7222IRGC25 Datasheet(PDF) 18 Page - Texas Instruments |
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AFE7222IRGC25 Datasheet(HTML) 18 Page - Texas Instruments |
18 / 106 page AFE7222 AFE7225 SLOS711B – NOVEMBER 2011 – REVISED MARCH 2012 www.ti.com 3.13 TIMING REQUIREMENTS FOR TRANSMIT PATH – LVDS AND CMOS MODES (1) Typical values are at 25°C, AVDD3_DAC = 3.0 V, AVDD3_AUX = 3.0 V, AVDD18_ADC = 1.8 V, DVDD18_CLK = 1.8 V, DVDD18_DAC = 1.8 V, DVDD18 = 1.8 V, sine wave input clock, 1.5 Vpp clock amplitude, unless otherwise noted. Min and max values are across the full temperature range TMIN = -40°C to TMAX = 85°C, AVDD3_DAC = 3.0 V, AVDD3_AUX = 3.0 V, AVDD18_ADC = 1.8 V, DVDD18_CLK = 1.8 V, DVDD18_DAC = 1.8 V, DVDD18 = 1.7 V to 1.9 V PARAMETER TEST CONDITIONS MIN TYP MAX UNIT clock DAC Latency Default Mode 16 cycles LVDS INPUT INTERFACE tsu Data setup time Data valid(2) to zero-crossing of DAC_DCLKINP 0.5 ns th Data hold time Zero-crossing of DAC_DCLKINP to data becoming invalid (2) 0.3 ns CMOS INPUT INTERFACE tsu Data setup time Data valid to cross-over of DAC_DCLKIN (3) 0.3 ns th Data hold time Cross-over of DAC_DCLKIN to data becoming invalid (3) 0.5 ns (1) Timing parameters are ensured by design and characterization and not tested in production. (2) Data valid refers to LOGIC HIGH of +100 mV and LOGIC LOW of -100 mV. (3) Data valid refers to LOGIC HIGH of 1.26 V and LOGIC LOW of 0.54 V. 18 ELECTRICAL SPECIFICATIONS Copyright © 2011–2012, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): AFE7222 AFE7225 |
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