ak5702 AKM Semiconductor, Inc., ak5702 Datasheet - Page 62

• Manufacturer Part Number: ak5702
• Description: 4-channel Adc With Pll & Mic-amp
• Manufacturer: AKM Semiconductor, Inc.

Figure 56, Figure 57, Figure 58shows the system connection diagram for the AK5702. An evaluation board [AKD5702]
is available which demonstrates the optimum layout, power supply arrangements and measurement results.
MS0623-E-00
LINE
MIC
MIC
MIC
Notes:
- VSS1 and VSS2 of the AK5702 should be distributed separately from the ground of external controllers.
- All digital input pins should not be left floating.
- When the AK5702 is EXT mode (PMPLL bit = “0”), a resistor and capacitor of VCOC pin is not needed.
- When the AK5702 is PLL mode (PMPLL bit = “1”), a resistor and capacitor of VCOC pin is shown in Table 4.
- Mic input AC coupling capacitor should be 1μF or less to start the recording within 100ms.
0.1 x Cp in parallel with Cp+Rp improves PLL jitter characteristics.
≤ 1u
≤ 1u
≤ 1u
≤ 1u
≤ 1u
≤ 1u
≤ 1u
≤ 1u
2.2k
2.2k
Figure 56. Typical Connection Diagram (MIC Input)
25
26
27
28
29
30
31
32
LIN1
RIN1
LIN5
RIN5
LIN4
RIN4
LIN3
RIN3
MIC
SYSTEM DESIGN
+
Cp
AK5702VN
Top View
- 62 -
Rp
Power Supply
1.6 ∼ 3.6V
0.1 x Cp
(Note)
Power Supply
+
+
2.4 ∼ 3.6V
SDTOA
SDTOB
TDMIN
MCKO
CCLK
TEST
CDTI
CSN
Analog Ground
16
15
14
13
12
10
11
9
Digital Ground
DSP
[AK5702]
μP
2007/06