max97236 Maxim Integrated Products, Inc., max97236 Datasheet - Page 22

• Manufacturer Part Number: max97236
• Description: Audio Amplifier With Jack Detection
• Manufacturer: Maxim Integrated Products, Inc.

Table 6. Headphone Volume Registers
Audio Amplifier with Jack Detection
The Headphone Volume registers independently control and report the gain of the left and right headphone amplifiers.
Set B7 in Register 0x04 to have the right-channel gain track the left-channel gain.
22
Right Volume
Left Volume/
Left Volume
REGISTER
0x07/0x08
0x07
BIT
2
1
7
6
5
4
3
0
MUTEL/
MUTER
NAME
LVOL/
RVOL
L = R
Left/Right Tracking
0 = The right-channel volume control is independent of the left.
1 = The left and right volume controls track each other allowing for only one regis-
ter to be written to change both channel volumes. Control both volume controls by
writing to LVOL.
Headphone Mute
0 = Disable.
1 = Enable, output is muted.
HEX VALUE
0x0A
0x0B
0x0C
0x0D
0x1A
0x1B
0x1C
0x1D
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0E
0x0F
0x10
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x18
0x19
0x1E
0x1F
Left/Right Headphone Output Volume Level
GAIN (dB)
-60
-58
-56
-54
-53
-52
-51
-50
-49
-48
-47
-46
-45
-44
-43
-42
-41
-40
-39
-38
-37
-36
-35
-34
-33
-32
-31
-30
-29
-28
-27
-26
Headphone Volume Control Registers
DESCRIPTION
HEX VALUE
0x2A
0x2B
0x2C
0x2D
0x3A
0x3B
0x3C
0x3D
0x20
0x21
0x22
0x23
0x24
0x25
0x26
0x27
0x28
0x29
0x2E
0x2F
0x30
0x31
0x32
0x33
0x34
0x35
0x36
0x37
0x38
0x39
0x3E
0x3F
GAIN (dB)
-25
-24
-23
-22
-21
-20
-19
-18
-17
-16
-15
-14
-13
-12
-11
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6