AsahiKASEI AK4493, Manual

Page: 8 / 104

[AK4493]
017012230-E-00 2017/12
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No. Pin Name I/O Function
17
ACKS I
Master Clock Auto Setting Mode Pin in Pin Mode
“L”: Manual Setting Mode, “H”: Auto Setting Mode
CAD1 I Chip Address 1 Pin in Serial Control Mode
18 TESTE I
Test Mode Enable pin. (Internal pull-down pin)
19 VREFHR I Rch High Level Voltage Reference Input Pin
20 VREFHR I Rch High Level Voltage Reference Input Pin
21 VREFLR I Rch Low Level Voltage Reference Input Pin
21 VREFLR I Rch Low Level Voltage Reference Input Pin
23 VCMR -
Right channel Common Voltage Pin,
Connect this pin to VREFLR with a 10uF electrolytic capacitor.
This pin is prohibited to connect to any other load.
24 NC -
No internal bonding.
Connect to GND.
25 AOUTRP O Rch Positive Analog Output Pin
26 AOUTRN O Rch Negative Analog Output Pin
27 VDDR - Rch Analog Power Supply Pin, 4.75

5.25V
28 VDDR - Rch Analog Power Supply Pin, 4.75

5.25V
29 VSSR Ground Pin
30 VSSR Ground Pin
31 VSSL Ground Pin
32 VSSL Ground Pin
33 VDDL - Lch Analog Power Supply Pin, 4.75

5.25V
34 VDDL - Lch Analog Power Supply Pin, 4.75

5.25V
35 AOUTLN O Lch Negative Analog Output Pin
36 AOUTLP O Lch Positive Analog Output Pin
37 NC -
No internal bonding.
Connect to GND.
38 VCML -
Left channel Common Voltage Pin,
Connect this pin to VREFLL with a 10uF electrolytic capacitor.
This pin is prohibited to connect to any other load.
39 VREFLL I Lch Low Level Voltage Reference Input Pin
40 VREFLL I Lch Low Level Voltage Reference Input Pin
41 VREFHL I Lch High Level Voltage Reference Input Pin
42 VREFHL I Lch High Level Voltage Reference Input Pin
43 NC -
No internal bonding.
Connect to GND.
44 AVDD -
Analog Power Supply Pin,
(LDOE pin =
“H”) AVDD = 3.0

3.6V, (LDOE pin =
“L”) AVDD = DVDD

3.6V
45 AVSS - Ground Pin
46 MCLK I Master Clock Input Pin
47 DVSS - Ground Pin
48 TVDD -
Digital Power Supply Pin,
(LDOE pin =
“H”) TVDD = 3.0

3.6V, (LDOE pin =
“L”) TVDD = DVDD

3.6V
Note 1. All input pins except internal pull-up/down pins must not be left floating.
Note 2. The AK4493 must be reset by the PDN pin when changing control mode (Pin Control
⇔
Register
Control) by the PSN pin.
Note 3. PCM mode, DSD mode and EXDF mode are controlled by register settings.