AK4558EN Datasheet, PDF (90/94 Pages) Asahi Kasei Microsystems – 108dB 216kHz 32Bit CODEC with PLL

■ Serial Mode
μP
Reset
[AK4558]
Analog Supply
(2.4～3.6V)
1u
C1
C1
10u 0.1u
+
22 ^LIN
23 ^RIN
24 ^AVDD
25 ^AVSS
26 ^VCOM
27 ^LOUT
28 ^ROUT
AK4558
Top View
14 ^VDD18
13 ^VSS2
12 ^TVDD
11 ^MCKI
10 ^SDTI
9 ^BICK
8 ^SDTO
0.1u +
10u
0.1u 10u
10
+
Power Supply
(1.7～1.98V)
Power Supply
(VDD18～3.6V)
Audio
Controller
Figure 78. System Connection Diagram (PS pin= “L”, LDOE pin= “L”)
Note:
- VSS1 and VSS2 of the AK4558 must be distributed separately from the ground of external
controllers.
- All digital input pins must not be allowed to float.
- An AC coupling capacitor value of at least 10uF is recommended for the LIN and RIN pins to
preserve low frequency response.
015004500-E-02
- 90 -
2015/09