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LM98714 Datasheet(PDF) 12 Page - Texas Instruments |
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LM98714 Datasheet(HTML) 12 Page - Texas Instruments |
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12 / 115 page  LM98714 SNAS254A – OCTOBER 2006 – REVISED JANUARY 2014 www.ti.com AC Timing Specifications The following specifications apply for VA = VD = VR = VC = 3.3V, CL = 10pF, and fINCLK = 15MHz unless otherwise specified. Boldface limits apply for TA = TMIN to TMAX; all other limits TA = 25°C. Symbol Parameter Conditions Min Typ(1) Max Units Input Clock Timing Specifications 15 (Mode 3) INCLK = PIXCLK 22.5 (Mode 2) MHz (Pixel Rate Clock) 30 (Mode 1) fINCLK Input Clock Frequency 45 (Mode 3) INCLK = ADCCLK 5 45 (Mode 2) MHz (ADC Rate Clock) 30 (Mode 1) Tdc Input Clock Duty Cycle 40/60 50/50 60/40 % Full Channel Latency Specifications SH out to First Sampled Pixel PIXPHASE0 3 Figure 19 (Mode 3) PIXPHASE1 3 3/7 tSHFP TADC Figure 20 (Mode 2) PIXPHASE2 4 Figure 21 (Mode 1) PIXPHASE3 4 3/7 PIXPHASE0 19 3 Channel Mode Pipeline Delay PIXPHASE1 18 4/7 tLAT3 Figure 53 (LVDS) TADC PIXPHASE2 18 Figure 58 (CMOS) PIXPHASE3 17 4/7 PIXPHASE0 18 2 Channel Mode Pipeline Delay PIXPHASE1 17 4/7 tLAT2 Figure 54 (LVDS) TADC PIXPHASE2 17 Figure 59(CMOS) PIXPHASE3 16 4/7 PIXPHASE0 16 1 Channel Mode Pipeline Delay PIXPHASE1 15 4/7 tLAT1 Figure 55 (LVDS) TADC PIXPHASE2 15 Figure 60(CMOS) PIXPHASE3 14 4/7 Mode 3 22 SH out to First Valid Data tSHFD Mode 2 21 TADC (tSHFP + tLATx) Mode 1 19 SH_R Timing Specifications (Figure 49) tSHR_S SH_R Setup Time 1.28 ns tSHR_H SH_R Hold Time 2.25 ns LVDS Output Timing Specifications (Figure 52) fINCLK = 45MHz TXvalid TX Output Data Valid window INCLK = ADCCLK 2 ns (ADC Rate Clock) TXpp0 TXCLK to Pulse Position 0 0.013 ns TXpp1 TXCLK to Pulse Position 1 3.093 ns LVDS Output Specifications not tested in TXpp2 TXCLK to Pulse Position 2 6.238 ns production. TXpp3 TXCLK to Pulse Position 3 9.613 ns Min/Max ensured by design, TXpp4 TXCLK to Pulse Position 4 12.663 ns characterization and statistical analysis. TXpp5 TXCLK to Pulse Position 5 15.762 ns TXpp6 TXCLK to Pulse Position 6 18.982 ns (1) Typical figures are at TA = 25°C, and represent most likely parametric norms at the time of product characterization. The typical specifications are not ensured. 12 Submit Documentation Feedback Copyright © 2006–2014, Texas Instruments Incorporated Product Folder Links: LM98714 |
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