参数资料
型号: MAX97001EWP+T
厂商: Maxim Integrated Products
文件页数: 19/37页
文件大小: 0K
描述: IC AUDIO SUBSYSTEM 20WLP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
系列: DirectDrive®
类型: D 类
输出类型: 1-通道(单声道),带立体声耳机
在某负载时最大输出功率 x 通道数量: 920mW x 1 @ 8 欧姆; 37mW x 2 @ 16 欧姆
电源电压: 2.7 V ~ 5.5 V
特点: 消除爆音,差分输入,I²C,静音,关闭,音量控制
安装类型: 表面贴装
供应商设备封装: 20-WLP
封装/外壳: 20-WFBGA,WLBGA
包装: 标准包装
其它名称: MAX97001EWP+TDKR
Audio Subsystem with Mono Class D Speaker
and Class H Headphone Amplifiers
MAX97001
26
Volume Control
Table 4. Volume Control Registers
REGISTER
BIT
NAME
DESCRIPTION
0x03
7
ZCD
Zero-Crossing Detection. Determines whether zero-crossing detection is used on all
volume control changes to reduce clicks and pops. Disabling zero-crossing detection
allows volume changes to occur immediately.
0 = Enabled
1 = Disabled
6
SLEW
Volume Slewing. Determines whether volume slewing is used on all volume control
changes to reduce clicks and pops. When enabled, volume changes cause the
MAX97001 to ramp through intermediate volume settings whenever a change to the
volume is made. If ZCD = 1, slewing occurs at a rate of 0.2ms per step. If ZCD = 0, slew
time depends on the input signal. Write a 1 to this bit to disable slewing and implement
volume changes immediately. This bit also activates soft-start at power-on and soft-stop
and power-off.
0 = Enabled
1 = Disabled
5
HPLM
Left Headphone Mute
0 = Unmuted
1 = Muted
4
HPLVOL
Left Headphone Volume
VALUE
LEVEL (dB)
VALUE
LEVEL (dB)
0x00
-64
0x10
-12
0x01
-60
0x11
-10
3
0x02
-56
0x12
-8
0x03
-52
0x13
-6
0x04
-48
0x14
-4
0x05
-44
0x15
-2
2
0x06
-40
0x16
-1
0x07
-37
0x17
0
0x08
-34
0x18
1
0x09
-31
0x19
2
1
0x0A
-28
0x1A
3
0x0B
-25
0x1B
4
0x0C
-22
0x1C
4.5
0
0x0D
-19
0x1D
5
0x0E
-16
0x1E
5.5
0x0F
-14
0x1F
6
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