Output Amp and

Low-Pass Filter

System Clock

Manager

Enhanced

Multilevel

Delta-Sigma

Modulator

DAC

Serial

Input

I/F

Function

Control

I/F

System Clock

Zero Detect

Power Supply

DAC

Output Amp and

DAC

DAC

Output Amp and

DAC

Output Amp and

DAC

Output Amp and

VOUT1

VOUT2

VOUT3

VCOM

VOUT4

VOUT5

VOUT6

Low-Pass Filter

Low-Pass Filter

Low-Pass Filter

Low-Pass Filter

Low-Pass Filter

Output Amp and

B0033-01

BCK

LRCK

DATA1 (1, 2)

DATA2 (3, 4)

DATA3 (5, 6)

DATA4 (7, 8)

MS/ADR

MC/SCL

MD/SDA

MSEL

SCK

8y

Oversampling

Digital Filter

With

Function

Controller

DAC

Output Amp and

DAC

Output Amp and

VOUT7

VOUT8

Low-Pass Filter

Low-Pass Filter

PCM1680

SLES133B – MARCH 2005 – REVISED OCTOBER 2008.................................................................................................................................................. www.ti.com

Functional Block Diagram

6

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Product Folder Link(s): PCM1680