AK4425A Datasheet, PDF(23/27 Page) Asahi Kasei Microsystems – 192kHz 24-Bit Stereo ΔΣ DAC with 2Vrms Output

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AK4425A Datasheet, PDF (23/27 Pages) Asahi Kasei Microsystems – 192kHz 24-Bit Stereo ΔΣ DAC with 2Vrms Output

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[AK4425A]

SYSTEM DESIGN

Figure 15 shows the system connection diagram. An evaluation board (AKD4425) is available for fast evaluation as well

as suggestions for peripheral circuitry.

Master Clock

64fs

24bit Audio Data

Î¼P

Digital Ground

Analog Ground

1 VDD

VSS1 16

2 MCLK

CP 15

3 BICK

CN 14

4 SDTI

VEE 13

5 LRCKAK4425AAOUTL 12

6 CSN

7 CCLK

VSS2 11

AVDD 10

8 CDTI

AOUTR 9

0.1u

10u

Analog

5.0V

1u (1)

Lch Out

0.1u +10u

Rch Out

Note:

Use low ESR (Equivalent Series Resistance) capacitors. When using polarized capacitors, the positive polarity pin

should be connected to the CP and VSS1 pin.

VSS1 and VSS2 should be separated from digital system ground.

Digital input pins should not be allowed to float.

Figure 15. Typical Connection Diagram

MS1127-E-01

- 23 -

2011/03

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