AK4345 Datasheet, PDF (23/26 Pages) Asahi Kasei Microsystems – 100dB 96kHz 24-Bit Stereo 3.3V ΔΣ DAC with DIT

[AK4345]
SYSTEM DESIGN
Figure 22 and Figure 23 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
AK4345
TX 16
CDTO 15
VDD 14
VSS 13
VCOM 12
LOUT 11
ROUT 10
TEST1 9
300
Optic transmitting
module
0.1u ⁺ 10u
4.7u
+
Lch Out
Rch Out
Analog Supply
2.7 to 3.6V
Analog Ground
Figure 22. 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
AK4345
TX 16
SDTI2 15
VDD 14
VSS 13
VCOM 12
LOUT 11
ROUT 10
TEST1 9
300
Optic transmitting
module
0.1u ⁺ 10u
4.7u
+
Lch Out
Rch Out
Analog Supply
2.7 to 3.6V
Analog Ground
Figure 23. Typical Connection Diagram (Mode bit = “1”, 3 wire mode )
MS0635-E-00
- 23 -
2007/06