MAX9853 Maxim Integrated Products, MAX9853 Datasheet - Page 52
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MAX9853
Manufacturer Part Number
MAX9853
Description
(MAX9851 / MAX9853) Stereo Audio CODECs
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX9853.pdf
(71 pages)
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w
.
Stereo Audio CODECs with Microphone, DirectDrive
Headphones, Speaker Amplifiers, or Line Outputs
PGAL1/PGAL2 configures the programmable-gain
adjustment setting for line input 1/line input 2. Code
Table 24. Line Input Gain Bit Descriptions
Table 25. Line Input Gain Control Settings
Table 26. Microphone Input Gain Bit Descriptions
52
D
REG
0x0E
0x0F
REG
0x10
0x11
______________________________________________________________________________________
Programmable-Gain Adjustment for Line Inputs
a
PGAL1/PGAL2
t
0x0C
0x0D
0x0A
0x0B
0x0E
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0F
0x10
a
B7
S
0
0
B7
0
0
h
e
e
B6
0
0
B6
0
0
t
SETTING (dB)
4
(PGAL1/PGAL2)
+30
+28
+26
+24
+22
+20
+18
+16
+14
+12
+10
U
+8
+6
+4
+2
-2
0
PAREN
PALEN
B5
0
0
.
B5
c
o
m
B4
B4
0x00 is maximum gain while 0x1F is maximum attenua-
tion. Table 25 lists the gain setting for each code.
PGAL1/PGAL2
B3
B3
0x1A
0x1B
0x1C
0x1D
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x18
0x19
0x1E
0x1F
—
PGAL1
PGAL2
PGAMR
PGAML
B2
B2
B1
B1
SETTING (dB)
-10
-12
-14
-16
-18
-20
-22
-24
-26
-28
-30
-32
—
-4
-6
-8
B0
B0