AS2536 austriamicrosystems, AS2536 Datasheet - Page 4

• Manufacturer Part Number: AS2536
• Description: IC MULTI-STANDARD CMOS TELEPHONE SOIC-28
• Manufacturer: austriamicrosystems

Specifications of AS2536

• Audio Control Type: Volume
• Control / Process Application: Electronic Telephonic Set
• Supply Voltage Range: 3.8V To 5V
• Operating Temperature Range: -25°C To +70°C
• Audio Ic Case Style: SOIC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Data Sheet AS2533-36
Functional Description
Keyboard Connections
Key closure, R
Key open, R
Revision 8.8
OFF
ON
R1
R2
R3
R4
R1
R2
R3
R4
min. = 1 MΩ
max. = 1 kΩ
P
P
P
P
P
L
P
L
L
L
L
M
L
M
R
M
R
R
R
C1
R
C1
R
N
N
A
A
N
N
/
4
8
#
A
/
4
8
#
A
4
8
#
N
4
8
#
N
/
A
/
A
4
8
#
4
8
#
/
/
P
P
P
P
P
P
2
R
R
M
R
2
M
R
M
2
M
R
R
M
M
Figure 2 Keyboard Connection AS2533/36
V
V
V
V
V
M
V
C2
R
M
C2
R
R
R
P
M
P
R
P
R
P
Figure 3 Keyboard Connection AS2534
P
P
O
B
O
B
1
5
9
1
5
9
O
B
O
B
1
5
9
O
B
1
5
9
O
B
1
5
9
1
5
9
S
S
S
S
S
S
1
1
3
1
3
1
1
L
1
L
3
L
L
L
L
T
T
T
T
T
T
M
R
R
C3
M
C3
R
R
R
M
R
C
C
2
6
0
+
C
2
6
0
+
C
2
6
0
+
2
6
0
+
C
/
C
/
2
6
0
+
/
2
6
0
+
/
/
/
2
2
4
2
2
4
2
P
2
P
4
P
P
P
P
(Either VOL or +/– keys)
M
M
M
C4
R
M
C4
R
R
M
R
M
R
R
−
−
−
D
−
D
3
7
*
3
7
*
−
D
−
D
3
7
*
D
3
7
*
D
*
*
3
7
3
7
3
R
3
1
R
3
3
3
1
R
3
1
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