AK4344ET AKM [Asahi Kasei Microsystems], AK4344ET Datasheet - Page 21

• Manufacturer Part Number: AK4344ET
• Description: 100dB 96kHz 24-Bit Stereo 3.3V ?? DAC
• Manufacturer: AKM [Asahi Kasei Microsystems]

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.
MS0641-E-00
Reset & Power down
Reset & Power down
24bit Audio Data2
24bit Audio Data1
24bit Audio Data
Digital Ground
Digital Ground
Master Clock
Master Clock
Micro
Controller
Micro
Controller
64fs
64fs
fs
fs
Figure 19. Typical Connection Diagram (Mode bit = “0”, 4 wire mode )
Figure 20. Typical Connection Diagram (Mode bit = “1”, 3 wire mode )
Analog Ground
Analog Ground
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
MCLK
BICK
SDTI
LRCK
PDN
CSN
CCLK
CDTI
MCLK
BICK
SDTI
LRCK
PDN
CSN
CCLK
CDTI
SYSTEM DESIGN
AK4344
AK4344
- 21 -
TEST2
TEST1
TEST2
TEST1
VCOM
VCOM
SDTI2
CDTO
ROUT
ROUT
LOUT
LOUT
VDD
VDD
VSS
VSS
16
15
14
13
12
11
10
16
15
14
13
12
11
10
9
9
4.7u
4.7u
0.1u
0.1u
+
+
+
+
10u
10u
Lch Out
Rch Out
Lch Out
Rch Out
Analog Supply
2.7 to 3.6V
Analog Supply
2.7 to 3.6V
2007/06