Datasheet

MAX9880A
Low-Power, High-Performance
Dual I
2
S Stereo Audio Codec
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BITS FUNCTION
SDACM/
VDACM
DAC Mute Enable
0 = No mute
1 = Mute
VDACG
DAC Gain
00 = 0dB
01 = +6dB
10 = +12dB
11 = +18dB
Note: VDACG is only used when MODE = 0. If MODE = 1, then the DAC gain is always 0dB.
DAC Level Control. VDACA/SDACA works in all modes.
SETTING GAIN (dB) SETTING GAIN (dB)
0x0 0 0x8 -8
0x1 -1 0x9 -9
0x2 -2 0xA -10
0x3 -3 0xB -11
0x4 -4 0xC -12
0x5 -5 0xD -13
0x6 -6 0xE -14
VDACA/SDACA
0x7 -7 0xF -15
ADC Gain Control. Applies the specified gain to the digital ADC paths according to the following
information.
SETTING GAIN (dB)
0x0 0
0x1 +6
0x2 +12
AVLG/AVRG
0x3 +18
ADC Left/Right Level Control
SETTING GAIN (dB) SETTING GAIN (dB)
0x0 +3 0x8 -5
0x1 +2 0x9 -6
0x2 +1 0xA -7
0x3 0 0xB -8
0x4 -1 0xC -9
0x5 -2 0xD -10
0x6 -3 0xE -11
AVL/AVR
0x7 -4 0xF -12
Table 12. Digital Gain Registers (continued)