参数资料
型号: MAX97000EWA+T
厂商: Maxim Integrated Products
文件页数: 16/34页
文件大小: 0K
描述: IC AUDIO SUBSYSTEM 25WLP
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: 930mW x 1 @ 8 欧姆; 40mW 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: 25-WLP(2.09x2.09)
封装/外壳: 25-WFBGA,WLCSP
包装: 标准包装
其它名称: MAX97000EWA+TDKR
Audio Subsystem with Mono Class D
Speaker and Class H Headphone Amplifier
MAX97000
23
I2C Registers
Nine internal registers program the MAX97000. Table
1 lists all the registers, their addresses, and power-on-
reset states. Register 0xFF indicates the device revision.
Write zeros to all unused bits in the register table when
updating the register, unless otherwise noted. Tables 2
through 7 describe each bit.
Table_1._Register_Map
Table_2._Input_Register
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
ADDRESS
DEFAULT
R/W
STATUS
Input Gain
INADIFF
INBDIFF
PGAINA
PGAINB
0x00
R/W
Headphone
Mixers
HPLMIX
HPRMIX
0x01
0x00
R/W
Speaker Mixer
0
SPKMIX
0x02
0x00
R/W
Headphone
Left
ZCD
SLEW
HPLM
HPLVOL
0x03
0x00
R/W
Headphone
Right
LPGAIN
0
HPRM
HPRVOL
0x04
0x00
R/W
Speaker
FFM
SPKM
SPKVOL
0x05
0x00
R/W
Reserved
0
0x06
0x00
R/W
Limiter
THDCLP
0
THDT1
0x07
0x00
R/W
Power
Management
SHDN
LPMODE
SPKEN
0
HPLEN
HPREN
SWEN
0x08
0x01
R/W
Charge Pump
0
CPSEL
FIXED
0x09
0x00
R/W
REVISION_ID
Rev ID
REV
0xFF
0x00
R
REGISTER
BIT
NAME
DESCRIPTION
0x00
7
INADIFF
Input_A_Differential_Mode. Configures the input A channel as either a mono differential
signal (INA = INA2 - INA1) or as a stereo signal (INA1 = left, INA2 = right).
0 = Stereo single-ended
1 = Differential
6
INBDIFF
Input_B_Differential_Mode. Configures the input B channel as either a mono differential
signal (INB = INB2 - INB1) or as a stereo signal (INB1 = left, INB2 = right).
0 = Stereo single-ended
1 = Differential
5
PGAINA
Input_A_Preamp_Gain. Set the input gain to maximize output signal level for a given input
signal range to improve the SNR of the system. PGAINA = 111 switches to a trimmed 20kI
feedback resistor for external gain setting.
4
___VALUE
000
001
010
011
100
101
110
111
_LEVEL_(dB)
-6
-3
0
3
6
9
18
External
3
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