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[AK4675]
MS0963-E-00
2008/05
- 8 -
No. Pin
Name
I/O
Function
H1
TEST2
-
Test 2 Pin
This pin must be open.
H3
NC -
No Connect Pin
No internal bonding. This pin must be opened or connected to the ground.
K3
AVDDA
-
HP/SPK-Amp Analog Power Supply Pin 2.6V ~ 3.6V
K4
VSS1A
-
HP/SPK-Amp Ground 1 Pin
H8
TVDDA -
HP/SPK-Amp Digital Interface Power Supply Pin 1.6V ~ 3.6V
This pin must be connected to DVDD.
J6
NC -
No Connect Pin
No internal bonding. This pin must be opened or connected to the ground.
K8
MCKIA I
HP/SPK-Amp External Clock Input Pin (Internal Pull-down pin to VSS1A: typ.
100k
Ω
)
J9
PDNA I
HP/SPK-Amp Power-Down Mode Pin
“H”: Power-up
“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.
H10 CP O
Positive Charge Pump Capacitor Terminal Pin
H9
CN I
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
E9
PVEE O
Charge Pump Circuit Negative Voltage Output Pin
E10 HPL O
Lch Headphone-Amp Output Pin
B10 HPR O
Rch Headphone-Amp Output Pin
A7
VBATIN
I
Battery Monitor Input Pin
C9
VBATO
O
Battery Monitor Output Pin
C8
VCOMA O
HP/SPK-Amp
Analog
Common Voltage Output Pin
C6
RIN1A
I
Rch HP-Amp Input Pin
A2
LIN1A
I
Lch HP-Amp Input Pin
D2
NC -
No Connect Pin
No internal bonding. This pin must be opened or connected to the ground.
C1
NC -
No Connect Pin
No internal bonding. This pin must be opened or connected to the ground.
D1
SVDDA
-
Speaker-Amp Power Supply Pin 3.0V ~ 5.5V
E1
VSS2A
-
HP/SPK-Amp Ground 2 Pin
G1
SPP
O
Positive Speaker-Amp Output Pin
F2
SPN
O
Negative Speaker-Amp Output Pin
J3
TEST3 -
TEST Pin
This pin must be open.
K2
SPIN I
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 “
PCM I/F Master Mode/Slave Mode
”. The PDA pin
should be pulled-up externally and connected to (DVDD+0.3)V or less.