DAC39RF10 datasheet(112/232 Pages) TI2

tên linh kiện	DAC39RF10

Giải thích chi tiết về linh kiện	DAC39RFx10-SP DAC39RFx10-SEP 10.4 or 20.8GSPS, 16-bit, Dual and Single Channel, Multi-Nyquist Digital-to-Analog Converter (DAC) with JESD204C Interface

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complex amplitude exceeds 32767 the mixer saturates, resulting in a corrupted waveform. This is illustrated in

Figure 7-46, which shows the valid circular region in white and invalid corners in grey.

+32767

-32767

32767

Grey = mixer satura on region

white = no mixer satura on region

Figure 7-46. Mixer Saturation Region for the 16-bit Complex Input

7.3.6.2 Channel Bonder

The channel bonder sits after the DUC blocks and is used to combine the outputs of the DUCs. A block diagram

for one DAC channel is shown in Figure 7-47. The DUC outputs can be scaled by 1 (0 dB), 0.5 (-6 dB) or

0.25 (-12 dB) as set by the DUC_GAIN registers to prevent saturation when summing the signals. The signals

are summed at full precision as determined by the settings of the DAC_SRC registers, and then saturation and

rounding occurs on the combined signal. When the DUC outputs are real, up to four DUCs are available to

be combined for each DAC. When the DUC outputs are complex, only two DUCs are available per DAC. The

channel bonder can combine any combination of the real or complex DUC outputs for each DAC.

DAC39RF10-SP, DAC39RF10-SEP

DAC39RFS10-SP, DAC39RFS10-SEP

SBAS932A – MARCH 2024 – REVISED FEBRUARY 2026

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DAC39RF10 bảng dữ liệu(PDF) 112 Page - Texas Instruments