AFE7900IALK datasheet(83/157 Pages) TI

Part #	AFE7900IALK

Description	AFE7900 4T6R RF Sampling AFE with 12 GSPS DACs and 3 GSPS ADCs

PDF	157 Pages

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Manufacturer	TI [Texas Instruments]

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6.12.7 TX Typical Characteristics at 30MHz and 400MHz (continued)

Typical values at TA = +25°C with nominal supplies. Default conditions: TX input data rate = 125 MSPS, fDAC = 6000

MSPS (48x interpolation), interleave mode, 1st Nyquist zone output, PLL clock mode with fREF = 500 MHz. Additional default

conditions for all plots, AOUT = –1 dBFS, DSA = 0 dB, Sin(x)/x enabled, Dither = 1, DSA calibrated, TX Clock Dither Enabled

measured at 50 MHz offset

Figure 6-268. Noise Spectral Density vs DSA Setting at 400 MHz

Tone Spacing = 4 MHz

Figure 6-269. IMD3 vs Digital Amplitude at 400 MHz

Tone Spacing = 4 MHz

Figure 6-270. IMD3 vs DSA Setting at 400 MHz

Figure 6-271. HD2 vs Amplitude at 400 MHz

Figure 6-272. HD3 vs Amplitude at 400 MHz

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AFE7900

SBASA44A – AUGUST 2021 – REVISED MARCH 2022

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AFE7900IALK Datasheet(PDF) 83 Page - Texas Instruments