AK4618 Datasheet, PDF (54/60 Pages) Asahi Kasei Microsystems – 192kHz 24-bit 6ch/12ch Audio CODEC with Microphone Interface

[AK4618]
SYSTEM DESIGN
Figure 49 shows the system connection diagram. An evaluation board is available which demonstrates application
circuits, the optimum layout, power supply arrangements and measurement results.
 Differential Input Mode (DIE6-1 bits = “111111”)
3.3V Analog
3.3V Digital
1u
+ _0.1u ^{37 AVDD2}
38 VSS2
1u
+ _0.1u ^{39 TVDD}
40 VSS3
1u
41 REGO
42 SDTO1
43 SDTO2
44 SDTO3
45 SDA
46 SCL
47 MCLK
48 BICK
AK4618
*1
*2
IN6/IN6P 24
IN6N 23
IN5/IN5P 22
IN5N 21
VCOM 20
VSS1 19
0.1u
AVDD1 18
1u
+ ^1u
MICBIAS 17
IN4/IN4P 16
IN4N 15
IN3/IN3P 14
IN3N 13
*2
3.3V Analog
*2
µP
DSP
Digital Ground
Analog Ground
*1: Refer to Figure 52
*2: Refer to Figure 50, Figure 51
Figure 49. Typical Connection Diagram1
015000617-E-00
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2015/01