CS4218 datasheet(11/44 Pages) CIRRUS

11 / 44 page

0.1

µF

2.0

µF

0.1

µF

+5V

Supply

µF

CS4218

AGND

DGND

DI1

DO1

RIN2

Line In 2

Right

Ferrite Bead

Note: AGND and DGND pins MUST be on the same ground plane

40 k

ROUT

LOUT

REFBYP

0.1

µF

REFGND

> 1.0

µF

> 1.0

µF

0.0022

µF

NPO

0.0022

µF

NPO

Right

Audio

Output

Left

Audio

Output

PDN

SDOUT

SCLK

SSYNC

RESET

SDIN

Controller

CLKIN

MF7:SFS1

MF8:SFS2

SMODE1

Mode

Setting

SMODE2

SMODE3

LIN2

Line In 2

Left

RIN1

Line In 1

Right

REFBUF

0.47

µF

To Optional

Input Buffers

LIN1

Line In 1

Left

+5V

Analog

If a separate +5V

Analog supply is used, remove

the 2.0 ohm resistor

See

Analog Inputs section

for suggested input ciruits.

Refer to the

Analog Inputs

section for terminating

unused line inputs.

All other unused inputs

should be tied to GND. All NC

pins should be left floating.

MF3:DI3/F3/CCLK

MF6:DI2/F1

MF1:F1/CDOUT

MF2:F2/CDIN

MF5:DO2/INT

MF4:MA/CCS

Parallel Bits

Sub-Mode

Settings

Control Port

FILT

Required only for SM3

Multiplier Sub-Mode

0.47

µF

FILT

Figure 8. Typical Connection Diagram

CS4218

DS135F1

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