AKD4340 データシートの表示（PDF） - Asahi Kasei Microdevices

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AKD4340

192kHz 24-Bit Stereo ΔΣ DAC with 2Vrms Output

Asahi Kasei Microdevices 

[AK4340]

PIN / FUNCTION

No. Pin Name

I/O Function

1 MCLK

2 BICK

I

Master Clock Input Pin

An external TTL clock should be input on this pin.

I Audio Serial Data Clock Pin

3 SDTI

I Audio Serial Data Input Pin

4 LRCK

5 PDN

6 SMUTE

I

L/R Clock Pin

Power-Down Mode Pin

I

When at “L”, the AK4340 is in the power-down mode and is held in reset. The

AK4340 must be reset once upon power-up.

I

Soft Mute Pin in parallel control mode

“H”: Enable, “L”: Disable

CSN

7 ACKS

I Chip Select Pin in serial control mode

I

Auto Setting Mode Pin in parallel control mode

“L”: Manual Setting Mode, “H”: Auto Setting Mode

CCLK

8

DIF0

CDTI

9 AOUTR

I Control Data Clock Pin in serial control mode

I

Audio Data Interface Format Pin in parallel control mode

I Control Data Input Pin in serial control mode

O Rch Analog Output Pin

10 AOUTL

O Lch Analog Output Pin

11 HVEE

12 VSS

Output Buffer Negative Power Supply Pin

-

Normally connected to VSS with a 0.1μF ceramic capacitor in parallel with a

10μF electrolytic cap.

- Ground Pin

13 VDD

- DAC Power Supply Pin

14 P/S

15 NC

I

Parallel/Serial Select Pin (Internal pull-up pin)

“L”: Serial control mode, “H”: Parallel control mode

-

No connect

No internal banding

(Note)

16 GAIN

I

Output Gain Select Pin

“L”: 0dB, “H”: +1.94dB

Note: Do not allow digital input pins except pull-up pin to float.

Note: Pin No.15 (NC) has no internal bonding and can be left Open, connected GND or VDD.

MS0501-E-01

-3-

2010/09

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