[AK4612]
No. Pin Name
I/O
Function
LIN1+
65
I
I
Lch Analog Positive Input 1 Pin (DIE1 bit = “H”)
Lch Analog Input 1 Pin (DIE1 bit = “L”)
LIN1
Lch Analog Negative Input 1 Pin (When DIE1 bit = “L”, this pin must be open.)
(Note 3)
66 LIN1-
-
RIN1+
67
I
I
Rch Analog Positive Input 1 Pin (DIE1 bit = “H”)
Rch Analog Input 1 Pin (DIE1 bit = “L”)
Rch Analog Negative Input 1 Pin (When DIE1 bit = “L”, this pin must be open.)
(Note 3)
RIN1
68 RIN1-
-
LIN2+
69
I
I
Lch Analog Positive Input 2 Pin (DIE2 bit = “H”)
Lch Analog Input 2 Pin (DIE2 bit = “L”)
Lch Analog Negative Input 2 Pin (When DIE2 bit = “L”, this pin must be open.)
(Note 3)
LIN2
70 LIN2-
-
RIN2+
71
I
I
Rch Analog Positive Input 2 Pin (DIE2 bit = “H”)
Rch Analog Input 2 Pin (DIE2 bit = “L”)
Rch Analog Negative Input 2 Pin (When DIE2 bit = “L”, this pin must be open.)
(Note 3)
RIN2
72 RIN2-
-
LIN3+
73
I
I
Lch Analog Positive Input 3 Pin (DIE3 bit = “H”)
Lch Analog Input 3 Pin (DIE3 bit = “L”)
Lch Analog Negative Input 3 Pin (When DIE3 bit = “L”, this pin must be open.)
(Note 3)
LIN3
74 LIN3-
-
75 VSS1
76 AVDD1
77 VREFH1
-
-
I
Ground Pin, 0V
Analog Power Supply Pin, 3.0V∼3.6V
Positive Voltage Reference Input Pin, AVDD1
Common Voltage Output Pin, AVDD1x1/2
78 VCOM
O
Large external capacitor around 2.2µF is used to reduce power-supply noise.
Rch Analog Positive Input 3 Pin (DIE3 bit = “H”)
Rch Analog Input 3 Pin (DIE3 bit = “L”)
RIN3+
79
I
I
RIN3
Rch Analog Negative Input 3 Pin (When DIE3 bit = “L”, this pin must be open.)
(Note 3)
80 RIN3-
-
Note 1. このピンはOVFE bit を“1”に設定すると、OVF pinになります。
Note 2. このピンはOVFE bit を“0”に設定すると、DZF pinになります。
Note 3. このピンは差動入力時には-入力端子として動作し、Single-End入力時には+端子へ入力した信号の反転
出力として動作するのでSingle-End入力時はOpenにしてください。
Note 4. 全てのディジタル入力ピンはフローティングにしないで下さい。
MS1039-J-01
2009/06
- 8 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
