AK4344 Datasheet, PDF (21/24 Pages) Asahi Kasei Microsystems – 100dB 96kHz 24-Bit Stereo 3.3V ΔΣ DAC

[AK4344]
SYSTEM DESIGN
Figure 19 and Figure 20 shows the system connection diagram. The evaluation board is available which demonstrates
application circuits, the optimum layout, power supply arrangements and measurement results.
Master Clock
64fs
24bit Audio Data
fs
Reset & Power down
Micro
Controller
Digital Ground
1 MCLK
2 BICK
3 SDTI
4 LRCK
5 PDN
6 CSN
7 CCLK
8 CDTI
AK4344
TEST2 16
CDTO 15
VDD 14
VSS 13
VCOM 12
LOUT 11
ROUT 10
TEST1 9
0.1u ⁺ 10u
4.7u
+
Lch Out
Rch Out
Analog Supply
2.7 to 3.6V
Analog Ground
Figure 19. Typical Connection Diagram (Mode bit = “0”, 4 wire mode )
24bit Audio Data2
Master Clock
64fs
24bit Audio Data1
fs
Reset & Power down
Micro
Controller
Digital Ground
1 MCLK
2 BICK
3 SDTI
4 LRCK
5 PDN
6 CSN
7 CCLK
8 CDTI
AK4344
TEST2 16
SDTI2 15
VDD 14
VSS 13
VCOM 12
LOUT 11
ROUT 10
TEST1 9
0.1u ⁺ 10u
4.7u
+
Lch Out
Rch Out
Analog Supply
2.7 to 3.6V
Analog Ground
Figure 20. Typical Connection Diagram (Mode bit = “1”, 3 wire mode )
MS0641-E-00
- 21 -
2007/06