MAX9853 Maxim Integrated Products, MAX9853 Datasheet - Page 57

• Manufacturer Part Number: MAX9853
• Description: (MAX9851 / MAX9853) Stereo Audio CODECs
• Manufacturer: Maxim Integrated Products

w
.
LOPGAL/LOPGAR configures the output volume of the
MAX9853 left/right differential line outputs. Code 0x00
is maximum gain while 0x3F is full attenuation. Table 35
lists the gain setting for each code.
Table 35. Line Output Volume Control Settings
Stereo Audio CODECs with Microphone, DirectDrive
D
LOPGAL/LOPGAR
Headphones, Speaker Amplifiers, or Line Outputs
MAX9853: Left and Right Line Output Volume
a
t
0x0C
0x0D
0x0A
0x0B
0x0E
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0F
0x10
0x11
0x12
0x13
0x14
a
______________________________________________________________________________________
S
h
Control (LOPGAL/LOPGAR)
e
e
t
SETTING (dB)
4
-10.4
-12.4
-14.4
-16.4
-18.4
+7.1
+6.6
+6.1
+5.6
+5.1
+4.6
+4.1
+3.6
+2.6
+1.6
+0.6
-0.4
-2.4
-4.4
-6.4
-8.4
U
.
c
o
m
1 = Speaker output muted.
0 = Speaker set by the volume control bits.
1 = Line output muted.
0 = Line output set by the volume control bits.
LOPGAL/LOPGAR
0x28 to 0x3F
0x1C
0x1D
MAX9851: Speaker Output Mute (SPMUT)
0x1A
0x1B
0x1E
0x15
0x16
0x17
0x18
0x19
0x1F
0x20
0x21
0x22
0x23
0x24
0x25
0x26
0x27
—
MAX9853: Line Output Mute (LOMUT)
SETTING (dB)
-20.4
-22.4
-24.4
-26.4
-28.4
-30.4
-32.4
-34.4
-36.4
-38.4
-40.4
-44.4
-48.4
-52.4
-56.4
-60.4
-64.4
-68.4
-72.4
Mute
—
57