Manual

MAX9860
16-Bit Mono Audio Voice Codec
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Table 8. Digital Level Control Registers (continued)
BITS FUNCTION
Left and Right ADC Output Level
Adjusts the digital audio level output by the ADCs.
CODE GAIN
0x0 +3
0x1 +2
0x2 +1
0x3 0
0x4 -1
0x5 -2
0x6 -3
0x7 -4
0x8 -5
0x9 -6
0xA -7
0xB -8
0xC -8
0xD -10
0xE -11
ADCRL/ADCLL
0xF -12
DAC Gain
The gain set by DVG adds to the level set by DVA.
CODE GAIN
00 0
01 +6
10 +12
DVG
11 +18
Sidetone
Sets the level of left ADC output mixed into the DAC.
CODE GAIN CODE GAIN
0x00 Disabled 0x10 -30
0x01 0 0x11 -32
0x02 -2 0x12 -34
0x03 -4 0x13 -36
0x04 -6 0x14 -38
0x05 -8 0x15 -40
0x06 -10 0x16 -42
0x07 -12 0x17 -44
0x08 -14 0x18 -46
0x09 -16 0x19 -48
0x0A -18 0x1A -50
0x0B -20 0x1B -52
0x0C -22 0x1C -54
0x0D -24 0x1D -56
0x0E -26 0x1E -58
DVST
0x0F -28 0x1F -60