max9867 Maxim Integrated Products, Inc., max9867 Datasheet - Page 36

• Manufacturer Part Number: max9867
• Description: Low-power, Stereo Audio Codec
• Manufacturer: Maxim Integrated Products, Inc.

Ultra-Low Power Stereo Audio Codec
The MAX9867 includes one pair of single-ended line
inputs. When enabled, the line inputs connect directly
Table 9. Digital Gain Registers (continued)
Table 10. Line Input Registers
36
Left-Line Input Level
Right-Line Input Level
______________________________________________________________________________________
REGISTER
AVL/AVR
DACG
DACA
BITS
DAC Gain
00 = 0dB
01 = +6dB
10 = +12dB
11 = +18dB
Note: DACG is only used when MODE = 0. If MODE = 1, the DAC level is only set by DACA.
DAC Level Control
DACA works in all modes.
ADC Left/Right Level Control
B7
0
0
SETTING
SETTING
0x0
0x1
0x2
0x3
0x4
0x5
0x6
0x7
0x0
0x1
0x2
0x3
0x4
0x5
0x6
0x7
LIRM
LILM
B6
Line Inputs
B5
0
0
GAIN (dB)
GAIN (dB)
+3
+2
+1
-1
-2
-3
-4
-5
-6
-7
-1
-2
-3
-4
B4
0
0
0
0
to the headphone amplifier and can be optionally con-
nected to the ADC for recording. Table 10 lists the line
input registers.
FUNCTION
B3
SETTING
SETTING
B2
0xA
0xB
0xC
0xD
0xA
0xB
0xC
0xD
0x8
0x9
0xE
0xF
0x8
0x9
0xE
0xF
LIGR
LIGL
B1
B0
GAIN (dB)
GAIN (dB)
-10
-11
-12
-13
-14
-15
-10
-11
-12
-8
-9
-5
-6
-7
-8
-9
REGISTER
ADDRESS
0x0E
0x0F