AK4371VN AKM [Asahi Kasei Microsystems], AK4371VN Datasheet - Page 5

• Manufacturer Part Number: AK4371VN
• Description: DAC with built-in PLL & HP-AMP
• Manufacturer: AKM [Asahi Kasei Microsystems]

Note 1. All digital input pins (I2C, SDA/CDTI, SCL/CCLK, CAD0/CSN, SDATA, LRCK, BICK, MCKI, PDN) must not
MS0596-E-00
No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
3
4
5
6
7
8
9
be left floating. MCKI pin can be left floating only when PDN pin = “L”.
Pin Name
SDATA
BICK
LRCK
MCKI
DVDD
PVDD
VCOC
VSS2
VSS3
MCKO
SDA
CDTI
SCL
CCLK
CAD0
CSN
PDN
I2C
MUTET
MOUT
LOUT
ROUT
VREF
VCOM
AVDD
HVDD
VSS1
HPR
HPL
RIN2
LIN2
RIN3
LIN3
RIN1
IN+
LIN1
IN−
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
O
I
I
-
-
-
-
I
I
I
I
I
I
I
-
-
-
I
I
I
I
I
I
I
I
Audio Serial Data Input Pin
Audio Serial Data Clock Pin
Input / Output Channel Clock Pin
External Master Clock Input Pin
Digital Power Supply Pin, 1.6 ∼ 3.6V
Power Supply for PLL, 1.6 ∼ 3.6V. Normally connected to AVDD.
Output for Loop Filter of PLL Circuit
Ground Pin
Ground Pin
Master Clock Output Pin
Control Data Input/Output Pin (I2C mode : I2C pin = “H”)
Control Data Input Pin (3-wire serial mode : I2C pin = “L”)
Control Data Clock Pin (I2C mode : I2C pin = “H”)
Control Data Clock Pin (3-wire serial mode : I2C pin = “L”)
Chip Address 0 Select Pin (I2C mode : I2C pin = “H”)
Chip Select Pin (3-wire serial mode : I2C pin = “L”)
Power-down & Reset
Control Mode Select Pin
Mute Time Constant Control pin
Mono Signal Output Pin
Lch Stereo Line Output Pin
Rch Stereo Line Output Pin
Reference Voltage Output Pin
Common Voltage Output Pin
Analog Power Supply Pin, 1.6 ∼ 3.6V
Power Supply Pin for Headphone Amp, 1.6 ∼ 3.6V
Ground Pin
Rch Headphone Amp Output
Lch Headphone Amp Output
Rch Analog Input 2 Pin
Lch Analog Input 2 Pin
Rch Analog Input 3 Pin
Lch Analog Input 3 Pin
Rch Analog Input 1 Pin (LDIF bit =“0” : Single-ended Input)
Positive Line Input Pin (LDIF bit =“1” : Full-differential Input)
Rch Analog Input 1 Pin (LDIF bit =“0” : Single-ended Input)
Negative Line Input Pin (LDIF bit =“1” : Full-differential Input )
Connected to VSS1 pin with a capacitor for mute time constant.
Normally connected to VSS1 pin with a 0.22μF electrolytic capacitor.
Normally connected to VSS1 pin with a 2.2μF electrolytic capacitor.
When “L”, the AK4371 is in power-down mode and is held in reset.
The AK4371 should always be reset upon power-up.
This pin should be connected to VSS3 with one resistor and one capacitor in series.
“H”: I
2
C Bus, “L”: 3-wire Serial
PIN/FUNCTION
- 5 -
Function
[AK4371]
2007/04