JAJSSY9 February 2024 ADC12DL1500 , ADC12DL2500 , ADC12DL500
PRODUCTION DATA
The LVDS output buses can be configured to demux the output data from each ADC channel by one or two by setting the LDEMUX parameter. When a demux-by-2 option is selected (LDEMUX = 1), the number of output strobes and data clocks can be reduced by using LCS_EN. The two channels of the ADC12DLx500 can be interleaved together to achieve double the sample rate (that is, single-channel mode) by setting DES_EN to 1. Table 6-11 lists the available interface and configuration modes. When the LSB replacement with strobe option is used (SYNC_PAT = 0x2), the strobe column of Table 6-11 can be ignored and replaced with 0 because all dedicated strobe outputs can be disabled.
LVDS OUTPUT MODE | USER-PROGRAMMED VALUES | DATA PAIRS | DATA CLOCKS | STROBES | ALLOWED fS RANGE (MSPS) | ALLOWED fCLK RANGE (MHz) | TIMING DIAGRAM | ||
---|---|---|---|---|---|---|---|---|---|
DES_EN | LDEMUX | LALIGNED | |||||||
Single channel, 2 LVDS buses, staggered data | 1 | 0 | 0 | 24 | 2 | 2 | 1000–2500 | 500–1250 | Figure 5-4 |
Single channel, 2 LVDS buses, aligned data | 1 | 0 | 1 | 24 | 2 | 2 | 1000–2500 | 500–1250 | Figure 5-5 |
Single channel, 4 LVDS buses, staggered data | 1 | 1 | 0 | 48 | 4 | 4 | 1000–5000 | 500–2500 | Figure 5-6 |
Single channel, 4 LVDS buses, aligned data | 1 | 1 | 1 | 48 | 4 | 4 | 1000–5000 | 500–2500 | Figure 5-7 |
Dual channel, 2 LVDS buses | 0 | 0 | 0 or 1 | 24 | 2 | 2 | 500–1500 | 500–1500 | Figure 5-1 |
Dual channel, 4 LVDS buses, staggered data | 0 | 1 | 0 | 48 | 4 | 4 | 500–2500 | 500–2500 | Figure 5-2 |
Dual channel, 4 LVDS buses, aligned data | 0 | 1 | 1 | 48 | 4 | 4 | 500–2500 | 500–2500 | Figure 5-3 |