APA4838
Pin Description (Cont.)
Pin
Name
No
Bypass
22
Right Gain 1 24
Right Gain 2 25
Right Out -
26
Right Out +
28
I/O
Description
Bypass pin
Connect pin 1 of the external gain setting resistor for right channel
Connect pin 2 of the external gain setting resistor for right channel
O Right channel negative output pin
O Right channel positive output pin
Truth Table for Logic Inputs
Mute
Gain
Select
Mode
HP
Sense
Gain Mode of
Power Amplifier
DC Vol. Control BTL Output
SE Output
0
0
0
0
Unity Gain Setting
Fixed Level
Vol. Fixed
-
0
0
0
1
Unity Gain Setting
Fixed Level
Muted
Vol. Fixed
0
0
1
0
Unity Gain Setting
Adjustable
Vol. Adjustable
-
0
0
1
1
Unity Gain Setting
Adjustable
Muted
Vol. Adjustable
0
1
0
0 External Gain Setting Fixed Level
Vol. Fixed
-
0
1
0
1 External Gain Setting Fixed Level
Muted
Vol. Fixed
0
1
1
0 External Gain Setting
Adjustable
Vol. Adjustable
-
0
1
1
1
External Gain Setting
Adjustable
Muted
Vol. Adjustable
1
X
X
X
-
-
Muted
Muted
Copyright ANPEC Electronics Corp.
6
Rev. A.1 - Apr., 2003
www.anpec.com.tw