AK4344 View Datasheet(PDF) - Asahi Kasei Microdevices

Part Name

Description

Manufacturer

AK4344

100dB 96kHz 24-Bit Stereo 3.3V ΔΣ DAC

Asahi Kasei Microdevices 

[AK4344]

No. Pin Name

1 MCLK

2 BICK

3 SDTI1

4 LRCK

5 PDN

6 CSN

7 CCLK

8 CDTI

9 TEST1

10 ROUT

11 LOUT

12 VCOM

13 VSS

14 VDD

15

CDTO

SDTI2

16 TEST2

PIN/FUNCTION

I/O Function

I Master Clock Input Pin

I Audio Serial Data Clock Pin

I Audio Serial Data Input Pin1

I Input Channel Clock Pin

I

Full Power Down Mode Pin

“L” : Power down, “H” : Power up

I Chip Select Pin 0

I Control Data Clock Pin

I Control Data Input Pin

I TEST Pin

This pin must be connected to VSS.

O Rch Analog Output Pin, The output is “Hi-Z” when PDN pin = “L”.

O Lch Analog Output Pin, The output is “Hi-Z” when PDN pin = “L”.

Common Voltage Output Pin, 0.5 × VDD

O Normally connected to VSS with a 4.7μF (min. 1μF, max. 10μF) electrolytic

Capacitor. The output is “L” when PDN pin = “L”

- Ground Pin

- Power Supply Pin, 2.7 ∼ 3.6V

O Control Data Output Pin in serial mode, The output is “Hi-Z” when PDN pin = “L”.

I Audio Serial Data Input Pin2

O

TEST Pin

This pin must be OPEN.

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

MS0641-E-01

-4-

2010/09

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