参数资料
型号: MAX97002EWP+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: MAX97002EWP+TDKR
Audio Subsystem with Mono Class D
Speaker and Class H Headphone Amplifiers
MAX97002
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 vol-
ume 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 con-
trol changes to reduce clicks and pops. When enabled, volume changes cause the
MAX97002 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)
3
0x00
-64
0x10
-12
0x01
-60dB
0x11
-10
0x02
-56
0x12
-8
0x03
-52
0x13
-6
0x04
-48
0x14
-4
2
0x05
-44
0x15
-2
0x06
-40
0x16
-1
0x07
-37
0x17
0
0x08
-34
0x18
1
0x09
-31
0x19
2
0x0A
-28
0x1A
3
0x0B
-25
0x1B
4
0x0C
-22
0x1C
4.5
0x0D
-19
0x1D
5
0x0E
-16
0x1E
5.5
0x0F
-14
0x1F
6
0
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