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| 型号： | MAX97003EWP+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 33/48页 |
| 文件大小： | 0K |
| 描述： | IC AUDIO SUBSYSTEM LN 20WLP |
| 标准包装： | 2,500 |
| 类型： | D 类；H 类 |
| 输出类型： | 1-通道（单声道）或 2-通道（立体声） |
| 在某负载时最大输出功率 x 通道数量： | 1W x 2 @ 8 欧姆 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 特点： | 消除爆音，差分输入，关闭 |
| 安装类型： | * |
| 供应商设备封装： | * |
| 封装/外壳： | * |
| 包装： | * |
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Maxim Integrated Products 39
MAX97003
High-Efficiency, Low-Noise Audio Subsystem
Table 11. Advanced Configuration Register
Advanced Configuration
The IC includes several advanced configurations related to automatic volume changes initiated by the DRC, expander,
and distortion limiter. In addition, settings for the Class D speaker modulation scheme and headphone charge pump
are configured in register 0x11.
REGISTER
BIT
NAME
DESCRIPTION
0x11
7
VS2EN
Enhanced Volume Smoothing. During volume slewing, the controller waits for each step
in the ramp to be applied before executing the next step. When zero-crossing detection
is enabled, this prevents large steps in the output volume when no zero-crossings are
detected.
0 = Disabled
1 = Enabled
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 IC 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 frequency. This bit also activates soft-start at power-on and soft-stop at
power-off.
0 = Enabled
1 = Disabled
5
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. Zero-crossing detection times out at
100ms.
0 = Enabled
1 = Disabled
3
FFM
Fixed Class D Frequency Enable
0 = Spread-spectrum modulation
1 = Fixed-frequency modulation
1
CPSEL
Charge-Pump Output Select. Works with FIXED to set QVDD or QVDD/2 outputs on
CPVDD and CPVSS. Ignored when FIXED = 0.
0 = QVDD on CPVDD/CPVSS
1 = QVDD/2 on CPVDD/CPVSS
0
FIXED
Class H Mode. When enabled, this bit forces the charge pump to generate static power
rails for CPVDD and CPVSS, instead of dynamically adjusting them based on output
signal level.
0 = Class H mode
1 = Fixed supply mode
相关PDF资料 |
PDF描述 |
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| MAX9700AEUB+ | IC AMP AUDIO 1.6W MONO D 10MSOP |
| MAX9701ETG+T | IC AMP AUDIO PWR 2.2W D 24TQFN |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9700AEBC | 制造商:Maxim Integrated Products 功能描述:1.2W LOW EMI FILTERLESS CLASS D - Rail/Tube |
| MAX9700AEBC+ | 制造商:Maxim Integrated Products 功能描述:AUD AMP SPKR 1CH MONO 1.6W CLS-D 12UCSP - Rail/Tube |
| MAX9700AEBC+T | 功能描述:音频放大器 1.2W L-EMI Filterles Class D Audio Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| MAX9700AEBC-T | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| MAX9700AETB | 制造商:Maxim Integrated Products 功能描述:1.2W, LOW EMI, FILTERLESS, CLASS D AUDIO AMPL - Rail/Tube |
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