TLC320AD55 Datasheet, PDF (8/41 Pages) Texas Instruments – Sigma-Delta Analog Interface Circuit

1.2 Functional Block Diagram
INP
INM
AUXP
AUXM
MUX
Sigma-
Delta
ADC
Decimation Filter
SINC
Filter
FIR
Filter
Buffer
DOUT (2s
complement)
OUTP
OUTM
Analog
Loopback
REFCAPDAC
REFCAPADC
Vref
Vref
Enable†
SCF
Filter
Sigma-
Delta
DAC
Interpolation Filter
Digital
Loopback
Buffer
DIN (2s
complement)
MCLK
÷ Fk
÷4
÷ Fsclk
÷2
FCLK
I/O
Control
† _{See control 3 register in Appendix A.}
Figure 1– 1. Functional Block Diagram
SCLK
1–2