MAX98090BEWJ+T Maxim Integrated, MAX98090BEWJ+T Datasheet - Page 132
MAX98090BEWJ+T
Manufacturer Part Number
MAX98090BEWJ+T
Description
Interface - CODECs 5V 130mW Stereo Headphone Amp
Manufacturer
Maxim Integrated
Datasheet
1.MAX98090BETL.pdf
(166 pages)
- Current page: 132 of 166
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MAX98090
Speaker Output Mixer and Gain Control
The speaker mixers can be configured to accept any
combination of signals from the playback DAC, the analog
microphone amplifiers, and the line input drivers (Tables 64
Table 64. Left Speaker Mixer Configuration Register
Table 65. Right Speaker Mixer Configuration Register
www.maximintegrated.com
Table 66 Speaker Mixer Gain Control Register
BIT
BIT
BIT
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
MIXSPRG[1:0]
MIXSPLG[1:0]
MIXSPR[5:0]
SPK_SLAVE
MIXSPL[5:0]
ADDRESS: 0x2E
ADDRESS: 0x2F
ADDRESS: 0x30
NAME
NAME
NAME
—
—
—
—
—
—
—
TYPE POR
TYPE POR
TYPE POR
R/W
R/W
R/W
R/W
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Selects microphone input 2 to left speaker mixer
Selects microphone Input 1 to left speaker mixer
Selects line input B to left speaker mixer
Selects line input A to left speaker mixer
Selects right DAC output to left speaker mixer
Selects left DAC output to left speaker mixer
Speaker Slave Mode Enable
Selects microphone input 2 to right speaker mixer.
Selects microphone input 1 to right speaker mixer.
Selects line input B to Right speaker mixer.
Selects line input A to right speaker mixer.
Selects right DAC output to right speaker mixer.
Selects left DAC output to right speaker mixer.
Right-Speaker Mixer Gain Configuration
Left-Speaker Mixer Gain Configuration
00: +0dB
01: -6dB
0: Right-channel clock always generated independently.
1: Right channel uses left-channel clock if both channels are enabled.
00: +0dB
01: -6dB
10: -9.5dB
11: -12dB
10: -9.5dB
11: -12dB
and 65). The input mixers also provide several attenuation
options (Table 66). The mixer attenuation options of -6dB,
-9.5dB, and -12dB are sized to prevent clipping when sev-
eral full-scale input sources are selected.
Ultra-Low Power Stereo Audio Codec
DESCRIPTION
DESCRIPTION
DESCRIPTION
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Maxim Integrated │ 132
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