[AK4675]
No.
H1
Pin Name
TEST2
I/O
-
Function
Test 2 Pin
This pin must be open.
No Connect Pin
-
H3 NC
No internal bonding. This pin must be opened or connected to the ground.
-
HP/SPK-Amp Analog Power Supply Pin
2.6V ~ 3.6V
K3 AVDDA
-
HP/SPK-Amp Ground 1 Pin
K4 VSS1A
HP/SPK-Amp Digital Interface Power Supply Pin
1.6V ~ 3.6V
-
H8 TVDDA
This pin must be connected to DVDD.
No Connect Pin
-
J6 NC
No internal bonding. This pin must be opened or connected to the ground.
HP/SPK-Amp External Clock Input Pin (Internal Pull-down pin to VSS1A: typ.
I
K8 MCKIA
100kΩ)
HP/SPK-Amp Power-Down Mode Pin
“H”: Power-up
I
J9 PDNA
“L”: Power-down, reset and initializes the control registers for HP/SPK-Amp. “L”
time of 150ns or more after power-up is needed to reset the AK4675.
O
H10 CP
Positive Charge Pump Capacitor Terminal Pin
I
H9 CN
Negative Charge Pump Capacitor Terminal Pin
-
F10 PVDDA
Charge Pump Circuit Positive Power Supply Pin
2.6V ~ 3.6V
-
G10 VSS3A
HP/SPK-Amp Ground 3 Pin
O
E9 PVEE
Charge Pump Circuit Negative Voltage Output Pin
O
E10 HPL
Lch Headphone-Amp Output Pin
O
B10 HPR
Rch Headphone-Amp Output Pin
I
Battery Monitor Input Pin
A7 VBATIN
O
Battery Monitor Output Pin
C9 VBATO
O
HP/SPK-Amp Analog Common Voltage Output Pin
C8 VCOMA
I
Rch HP-Amp Input Pin
C6 RIN1A
I
Lch HP-Amp Input Pin
A2 LIN1A
No Connect Pin
-
D2 NC
No internal bonding. This pin must be opened or connected to the ground.
No Connect Pin
-
C1 NC
No internal bonding. This pin must be opened or connected to the ground.
-
Speaker-Amp Power Supply Pin
3.0V ~ 5.5V
D1 SVDDA
-
HP/SPK-Amp Ground 2 Pin
E1 VSS2A
O
Positive Speaker-Amp Output Pin
G1 SPP
O
Negative Speaker-Amp Output Pin
F2 SPN
TEST Pin
-
J3 TEST3
This pin must be open.
I
K2 SPIN
Speaker-Amp Input Pin
Note 1. All input pins except analog input pins (MDT, LIN1/IN1+, RIN1/IN1−, LIN2/IN2+, RIN2/IN2−, LIN3/IN3+,
RIN3/IN3−, LIN4/IN4+, RIN4/IN4−, SAIN1, SAIN2, SAIN3, LIN1A, RIN1A, SPIN, VBATIN) must not be left
floating. I/O pins except the SDA pin (LRCK, BICK, SYNCA, BICKA, SYNCB, BICK) must be processed
appropriately as shown in “Master
and “PCM
The PDA pin
should be pulled-up externally and connected to (DVDD+0.3)V or less.
MS0963-E-00
-8-
2008/05
AKM [ ASAHI KASEI MICROSYSTEMS ]
