AM263P4 datasheet(48/168 Pages) TI2

48 / 168 page

Table 5-5. ADC3 Signal Descriptions (continued)

SIGNAL NAME [1]

PIN TYPE [2]

DESCRIPTION [3]

ZCZ C PIN [4]

ZCZ S PIN [4]

ZCZ F PIN [4]

ADC3_AIN5

ADC Analog Input 5 (-IN2)

CMPSSB7: inH/inL (+IN/-IN)

Table 5-6. ADC4 Signal Descriptions

SIGNAL NAME [1]

PIN TYPE [2]

DESCRIPTION [3]

ZCZ C PIN [4]

ZCZ S PIN [4]

ZCZ F PIN [4]

ADC4_AIN0

ADC Analog Input 0 (+IN0)

CMPSSA8: inH (+IN)

ADC4_AIN1

ADC Analog Input 1 (-IN0)

CMPSSA8: inL (-IN)

ADC4_AIN2

ADC Analog Input 2 (+IN1)

CMPSSA9: inH (+IN)

ADC4_AIN3

ADC Analog Input 3 (-IN1)

CMPSSA9: inL (-IN)

ADC4_AIN4

ADC Analog Input 4 (+IN2)

CMPSSB8: inH/inL (+IN/-IN)

ADC4_AIN5

ADC Analog Input 5 (-IN2)

CMPSSB9: inH/inL (+IN/-IN)

5.3.1.1 ADC-CMPSS Signal Connections

In each ADC, two sets of differential pins shall be shared with pins of two CMPSSA and remaining one pair of

differential pins shall be connected to two independent pins of CMPSSB. These pins are demonstrated in Figure

5-1 and Table 5-7 where the CHSEL values determine how the inputs are fed into ADC.

12-bit

DAC

12-bit

DAC

DAC-H

Code

DAC-L

Code

CMPSS-A

12-bit

DAC

12-bit

DAC

DAC-H

Code

DAC-L

Code

CMPSS-A

12-bit

DAC

DAC-H

Code

12-bit

DAC

DAC-L

Code

12-bit

DAC

DAC-H

Code

12-bit

DAC

DAC-L

Code

CMPSS-B

INP-0

INM-0

INP-1

INM-1

INP-2

INM-2

CAL-0

CAL-1

ATB

12-bit

4 MSPS

Figure 5-1. CMPSS and ADC Connections

Table 5-7. Connectivity between ADC Inputs to CMPSS Signals

Signal/Pin Name

ADC Input

CMPSS Input

ADC0 Channels

ADC0_AIN0

ADC0:inp0 (+IN0)

CMPSSA0:inH (+IN)

ADC0_AIN1

ADC0:inm0 (-IN0)

CMPSSA0:inL (-IN)

ADC0_AIN2

ADC0:inp1 (+IN1)

CMPSSA1:inH (+IN)

ADC0_AIN3

ADC0:inm1 (-IN1)

CMPSSA1:inL (-IN)

AM263P4, AM263P2, AM263P4-Q1, AM263P2-Q1

SPRSP81D – OCTOBER 2023 – REVISED MAY 2025

www.ti.com

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