ZHCSDS3C May 2015 – April 2018 ADS52J90
PRODUCTION DATA.
Mapping of the analog inputs to the LVDS outputs is shown in Table 35 for a case corresponding to a 16-input mode and a 1X data rate.
| ANALOG INPUT SIGNAL | CONNECTION TO ANALOG INPUT PINS | SAMPLING INSTANT | ADC WORD | SERIAL_OUT
(Over Two Frames) |
LVDS OUTPUTS ON DOUT PINS |
|---|---|---|---|---|---|
| AIN1 | IN1 | t1 | ADCOUT1o | Frame 1: ADCOUT1o
Frame 2: ADCOUT1e |
DOUT1 |
| t2 | ADCOUT1e | ||||
| AIN2 | IN3 | t1 | ADCOUT2o | Frame 1: ADCOUT2o
Frame 2: ADCOUT2e |
DOUT2 |
| t2 | ADCOUT2e | ||||
| AIN3 | IN5 | t1 | ADCOUT3o | Frame 1: ADCOUT3o
Frame 2: ADCOUT3e |
DOUT3 |
| t2 | ADCOUT3e | ||||
| AIN4 | IN7 | t1 | ADCOUT4o | Frame 1: ADCOUT4o
Frame 2: ADCOUT4e |
DOUT4 |
| t2 | ADCOUT4e | ||||
| AIN5 | IN9 | t1 | ADCOUT5o | Frame 1: ADCOUT5o
Frame 2: ADCOUT5e |
DOUT5 |
| t2 | ADCOUT5e | ||||
| AIN6 | IN11 | t1 | ADCOUT6o | Frame 1: ADCOUT6o
Frame 2: ADCOUT6e |
DOUT6 |
| t2 | ADCOUT6e | ||||
| AIN7 | IN13 | t1 | ADCOUT7o | Frame 1: ADCOUT7o
Frame 2: ADCOUT7e |
DOUT7 |
| t2 | ADCOUT7e | ||||
| AIN8 | IN15 | t1 | ADCOUT8o | Frame 1: ADCOUT8o
Frame 2: ADCOUT8e |
DOUT8 |
| t2 | ADCOUT8e | ||||
| AIN9 | IN17 | t1 | ADCOUT9o | Frame 1: ADCOUT9o
Frame 2: ADCOUT9e |
DOUT9 |
| t2 | ADCOUT9e | ||||
| AIN10 | IN19 | t1 | ADCOUT10o | Frame 1: ADCOUT10o
Frame 2: ADCOUT10e |
DOUT10 |
| t2 | ADCOUT10e | ||||
| AIN11 | IN21 | t1 | ADCOUT11o | Frame 1: ADCOUT11o
Frame 2: ADCOUT11e |
DOUT11 |
| t2 | ADCOUT11e | ||||
| AIN12 | IN23 | t1 | ADCOUT12o | Frame 1: ADCOUT12o
Frame 2: ADCOUT12e |
DOUT12 |
| t2 | ADCOUT12e | ||||
| AIN13 | IN25 | t1 | ADCOUT13o | Frame 1: ADCOUT13o
Frame 2: ADCOUT13e |
DOUT13 |
| t2 | ADCOUT13e | ||||
| AIN14 | IN27 | t1 | ADCOUT14o | Frame 1: ADCOUT14o
Frame 2: ADCOUT14e |
DOUT14 |
| t2 | ADCOUT14e | ||||
| AIN15 | IN29 | t1 | ADCOUT15o | Frame 1: ADCOUT15o
Frame 2: ADCOUT15e |
DOUT15 |
| t2 | ADCOUT15e | ||||
| AIN16 | IN31 | t1 | ADCOUT16o | Frame 1: ADCOUT16o
Frame 2: ADCOUT16e |
DOUT16 |
| t2 | ADCOUT16e |
Mapping of the analog inputs to the LVDS outputs is shown in Table 36 for a case corresponding to a 16-input mode and a 2X data rate.
| ANALOG INPUT SIGNAL | CONNECTION TO ANALOG INPUT PINS | SAMPLING INSTANT | ADC WORD | SERIAL_OUT
(Over Two Frames) |
LVDS OUTPUTS ON DOUT PINS |
|---|---|---|---|---|---|
| AIN1 | IN1 | t1 | ADCOUT1o | Frame 1: ADCOUT1o,
ADCOUT2o Frame 2: ADCOUT1e, ADCOUT2e |
DOUT1 |
| t2 | ADCOUT1e | ||||
| AIN2 | IN3 | t1 | ADCOUT2o | ||
| t2 | ADCOUT2e | ||||
| AIN3 | IN5 | t1 | ADCOUT3o | Frame 1: ADCOUT3o,
ADCOUT4o Frame 2: ADCOUT3e, ADCOUT4e |
DOUT2 |
| t2 | ADCOUT3e | ||||
| AIN4 | IN7 | t1 | ADCOUT4o | ||
| t2 | ADCOUT4e | ||||
| AIN5 | IN9 | t1 | ADCOUT5o | Frame 1: ADCOUT5o,
ADCOUT6o Frame 2: ADCOUT5e, ADCOUT6e |
DOUT3 |
| t2 | ADCOUT5e | ||||
| AIN6 | IN11 | t1 | ADCOUT6o | ||
| t2 | ADCOUT6e | ||||
| AIN7 | IN13 | t1 | ADCOUT7o | Frame 1: ADCOUT7o,
ADCOUT8o Frame 2: ADCOUT7e, ADCOUT8e |
DOUT4 |
| t2 | ADCOUT7e | ||||
| AIN8 | IN15 | t1 | ADCOUT8o | ||
| t2 | ADCOUT8e | ||||
| AIN9 | IN17 | t1 | ADCOUT9o | Frame 1: ADCOUT9o,
ADCOUT10o Frame 2: ADCOUT9e, ADCOUT10e |
DOUT9 |
| t2 | ADCOUT9e | ||||
| AIN10 | IN19 | t1 | ADCOUT10o | ||
| t2 | ADCOUT10e | ||||
| AIN11 | IN21 | t1 | ADCOUT11o | Frame 1: ADCOUT11o,
ADCOUT12o Frame 2: ADCOUT11e, ADCOUT12e |
DOUT10 |
| t2 | ADCOUT11e | ||||
| AIN12 | IN23 | t1 | ADCOUT12o | ||
| t2 | ADCOUT12e | ||||
| AIN13 | IN25 | t1 | ADCOUT13o | Frame 1: ADCOUT13o,
ADCOUT14 Frame 2: ADCOUT13e, ADCOUT14e |
DOUT11 |
| t2 | ADCOUT13e | ||||
| AIN14 | IN27 | t1 | ADCOUT14o | ||
| t2 | ADCOUT14e | ||||
| AIN15 | IN29 | t1 | ADCOUT15o | Frame 1: ADCOUT15o,
ADCOUT16o Frame 2: ADCOUT15e, ADCOUT16e |
DOUT12 |
| t2 | ADCOUT15e | ||||
| AIN16 | IN31 | t1 | ADCOUT16o | ||
| t2 | ADCOUT16e |
Table 35 and Table 36 illustrate that the ADCs convert the odd numbered input when operating in the 16-input mode. Each ADC can be set to convert the following even numbered input using the register control IN_CH_ADCx. The performance of the ADC may slightly degrade when IN_CH_ADCx is set to 1.
In 16-input mode, there is a one-to-one mapping between the inputs and the ADCs. The register map relative to the ADCs can therefore be mapped to the 16 channels, as shown in Table 37.
| REGISTER MAP NOTATION | MAPPING TO CHANNELS IN 16-INPUT MODE | EXAMPLE |
|---|---|---|
| GAIN_ADCxo,
GAIN_ADCxe |
GAIN_CHANNELx | GAIN_CHANNEL1 = GAIN_ADC1o (same for GAIN_ADC1e)
(Set odd and even gains of the same ADC to the same setting) |
| OFFSET_ADCxo,
OFFSET_ADCxe |
OFFSET_CHANNELx | OFFSET_CHANNEL1 = OFFSET_ADC1o (same for OFFSET_ADC1e
(Set odd and even offsets of the same ADC to the same setting) |
| PDN_DIG_ADCx | PDN_DIG_CHANNELx | PDN_DIG_CHANNEL1 = PDN_DIG_ADC1 |
| PDN_ANA_ADCx | PDN_ANA_CHANNELx | PDN_ANA_CHANNEL1 = PDN_ANA_ADC1 |
| DIG_HPF_EN_ADCx | Mapped to 4 channels | DIG_HPF_EN_CHANNEL1-4 = DIG_HPF_EN_ADC1-4
Common setting for 4 ADCs maps to common setting for 4 channels |
| HPF_CORNER_ADCx | Mapped to 4 channels | HPF_CORNER_CHANNEL1-4 = HPF_CORNER_ADC1-4
Common setting for 4 ADCs maps to common setting for 4 channels |