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PCM1772, PCM1773

SLES010G – SEPTEMBER 2001 – REVISED MARCH 2007

PCM1773PW

TERMINAL

I/O

DESCRIPTION

NAME

NO.

AGND1

5

—

AGND2

6

—

AIN

10

I

Monaural analog signal mixer input. The signal can be mixed with the output of the L- and R-channel DACs.

AMIX

14

I

Analog mixing control

BCK

3

I

Serial bit clock. Clocks the individual bits of the audio data input, DATA.

DATA

2

I

Serial audio data input

DEMP

13

I

De-emphasis control

FMT

15

I

Data format select

LRCK

1

I

Left and right clock. Determines which channel is being input on the audio data input, DATA. The frequency of

LRCK must be the same as the audio sampling rate.

PD

4

I

Reset input. When low, the PCM1773 device is powered down, and all mode control registers are reset to default

settings.

SCKI

16

I

System clock input

12

—

Power supply for all analog circuits except the lineout amplifier

11

—

7

—

Decoupling capacitor connection. An external 10-

µF capacitor connected from this terminal to analog ground is

9

O

L-channel analog signal output of the lineout amplifiers

8

O

R-channel analog signal output of the lineout amplifiers

PCM1773RGA

TERMINAL

I/O

DESCRIPTION

NAME

NO.

AGND1

4

—

AGND2

5

—

AIN

10

I

Monaural analog signal mixer input. The signal can be mixed with the output of the L- and R-channel DACs.

AMIX

14

I

Analog mixing control

BCK

2

I

Serial bit clock. Clocks the individual bits of the audio data input, DATA.

DATA

1

I

Serial audio data input

DEMP

13

I

De-emphasis control

FMT

15

I

Data format select

LRCK

20

I

Left and right clock. Determines which channel is being input on the audio data input, DATA. The frequency of

LRCK must be the same as the audio sampling rate.

NC

8, 17,

—

No connect

18, 19

PD

3

I

Reset input. When low, the PCM1773 device is powered down, and all mode control registers are reset to default

settings.

SCKI

16

I

System clock input

12

—

Power supply for all analog circuits except the lineout amplifier

11

—

6

—

Decoupling capacitor connection. An external 10-

µF capacitor connected from this terminal to analog ground is

9

O

L-channel analog signal output of the lineout amplifiers

7

O

R-channel analog signal output of the lineout amplifiers

7

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