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AK4421A Datasheet, PDF (15/19 Pages) Asahi Kasei Microsystems – 192kHz 24-Bit Stereo ΔΣ DAC with 2Vrms Output
[AK4421A]
SYSTEM DESIGN
Figure 10 shows the system connection diagram. An evaluation board (AKD4421A) is available for fast evaluation as
well as suggestions for peripheral circuitry.
Mode-
Setting
Digital Ground
2.2u (1) +
Master Clock
64fs
24bit Audio Data
fs
Analog Ground
1 CN
VEE 16
2 CP
VSS2 15
3 SMUTE
CVDD 14
4 MCLK
DZF 13
5 BICK AK4421A VSS1 12
6 SDTI
VDD 11
7 LRCK
AOUTL 10
8 DIF
AOUTR 9
2.2u (1)
+
0.1u +10u
Analog
3.3V
10Ω
External Mute Circuits
0.1u +10u
Lch Out
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 VSS2 pin.
VSS1 and VSS2 should be separated from digital system ground.
Digital input pins should not be allowed to float.
Figure 10. Typical Connection Diagram
MS1086-E-01
- 15 -
2009/09