AK5384 datasheet(3/21 Pages) AKM

Part #	AK5384

Description	107 DB 24 BIT 96KHZ 4 CHANNEL ADC

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Manufacturer	AKM [Asahi Kasei Microsystems]

Direct Link	http://www.akm.com

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ASAHI KASEI

[AK5384]

MS0225-E-00

2003/05

- 3 -

PIN/FUNCTION

No.

Pin Name

I/O

Function

1

LIN2+

I

ADC2 Lch Positive Analog Input Pin

2

LIN2

−

I

ADC2 Lch Negative Analog Input Pin

3

RIN2+

I

ADC2 Rch Positive Analog Input Pin

4

RIN2

−

I

ADC2 Rch Negative Analog Input Pin

5

TEST

I

Test Pin

(Connected to AVSS)

6

VCOM

O

Common Voltage Output Pin, AVDD/2

Normally connected to AVSS with a 0.1

µF ceramic capacitor in parallel with an

electrolytic capacitor less than 2.2

µF.

7

AVSS

-

Analog Ground Pin

8

AVDD

-

Analog Power Supply Pin, 4.75

∼ 5.25V

9

DIF

I

Audio Interface Format Pin

“L” : 24bit MSB justified,

“H” : 24bit I

2S Compatible

10

TDM1

I

TDM I/F BICK Frequency Select Pin

“L” : 256fs,

“H” : 128fs

11

TDM0

I

TDM I/F Format Enable Pin

“L” : Normal Mode,

“H” : TDM Mode

12

TDMIN

I

TDM Data Input Pin

13

MCLK

I

Master Clock Input Pin

14

OVF

O

Analog Input Overflow Detect Pin

This pin goes to “H” if one of four analog inputs overflows.

15

LRCK

I/O

Output Channel Clock Pin

“L” Output in Master Mode at Power-down mode.

16

BICK

I/O

Audio Serial Data Clock Pin

“L” Output in Master Mode at Power-down mode.

17

SDTO2

O

ADC2 Audio Serial Data Output Pin

“L” Output at Power-down mode.

18

SDTO1

O

ADC1 Audio Serial Data Output Pin

“L” Output at Power-down mode.

19

TVDD

-

Output Buffer Power Supply Pin, 3.0

∼ 5.25V

20

DVDD

-

Digital Power Supply Pin, 4.75

∼ 5.25V

21

DVSS

-

Digital Ground Pin

22

PDN

I

Power-Down Mode Pin

When “L”, the circuit is in power-down mode.

The AK5384 should always be reset upon power-up.

23

CKS

I

Master Clock Select Pin

“L” : 256fs,

“H” : 512fs

This pin is enabled in Master Mode.

24

M/S

I

Master / Slave Mode Pin

“L” : Slave Mode,

“H” : Master Mode

25

RIN1

−

I

ADC1 Rch Negative Analog Input Pin

26

RIN1+

I

ADC1 Rch Positive Analog Input Pin

27

LIN1

−

I

ADC1 Lch Negative Analog Input Pin

28

LIN1+

I

ADC1 Lch Positive Analog Input Pin

Note: All digital input pins should not be left floating.

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