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参数资料
型号： MAX9888EVKIT+
厂商： Maxim Integrated Products
文件页数： 114/115页
文件大小： 0K
描述： KIT EVALUATION FOR MAX9888
产品培训模块： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装： 1
系列： DirectDrive®, FLEXSOUND™
相关产品： MAX9888EWY+T-ND - IC CODEC AUDIO FLEXSOUND 63WLP
Stereo Audio CODEC
with FlexSound Technology
MAX9888
98
Output Bypass Switches
The IC includes two output bypass switches that solve
common applications problems. When a single trans-
ducer is used for the loudspeaker and receiver, the need
exists for two amplifiers to power the same transducer.
Bypass switches connect the IC’s receiver amplifier
output to the speaker amplifier’s output, allowing either
amplifier to power the same transducer. In systems where
an external receiver amplifier is used, route its output to
the left speaker through RECP/RXINP and RECN/RXINN,
bypassing the Class D amplifier. In systems where an
external amplifier drives both the receiver and the IC’s
line input, one of the differential signals can be discon-
nected from the receiver when not needed by passing it
through the analog switch that connects RECP/RXINP to
RECN/RXINN.
Figure 31. Output Bypass Switch Block Diagrams
Table 30. Output Bypass Switches Register
REGISTER
BIT
NAME
DESCRIPTION
0x48
7
INABYP
See the Microphone Inputs section.
4
MIC2BYP
1
RECBYP
RXINP to RXINN Bypass Switch
Shorts RXINP to RXINN allowing a signal to pass through the MAX9888. Disable the
receiver amplifier when RECBYP = 1.
0 = Disabled
1 = Enabled
0
SPKBYP
RXIN to SPKL Bypass Switch
Shorts RXINP/RXINN to SPKLP/SPKLN allowing either the internal or an external
receiver amplifier to power the left speaker. Disable the left speaker amplifier when
SPKBYP = 1.
0 = Disabled
1 = Enabled
EXTERNAL
RECEIVER
AMP
RECP/RXINP
RECEN
SPLEN
POWER/DISTORTION
LIMITER
RECBYP
SPKBYP
10I*
RECN/RXINN
SPKLVDD
SPKLP
SPKLN
0dB
SPKLGND
+6dB
*OPTIONAL 10I RESISTORS IMPROVE DISTORTION
THROUGH THE ANALOG SWITCH.
SPEAKER AMPLIFIER BYPASS USING AN
EXTERNAL RECEIVER AMPLIFIER
SPEAKER AMPLIFIER BYPASS USING THE
INTERNAL RECEIVER AMPLIFIER
CONTROLLING AN EXTERNAL RECEIVE
AMPLIFIER AND SPEAKER
EXTERNAL
RECEIVER AMP
RECN/RXINN
RECEN
SPLEN
POWER/DISTORTION
LIMITER
RECBYP
SPKBYP
RECN/RXINN
SPKLVDD
SPKLP
SPKLN
0dB
SPKLGND
+6dB
RECP/RXINP
RECEN
SPLEN
POWER/DISTORTION
LIMITER
RECBYP
SPKBYP
RECN/RXINN
SPKLVDD
SPKLP
SPKLN
0dB
SPKLGND
+6dB
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相关代理商/技术参数
参数描述
MAX9888EVKIT+ 功能描述:音频 IC 开发工具 MAX9888 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V
MAX9888EWY+T 功能描述:接口—CODEC Stereo Audio CODEC RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel
MAX9889EWO+T 功能描述:接口—CODEC RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel
MAX988ESA 功能描述:校验器 IC Single uPower Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel
MAX988ESA+ 功能描述:校验器 IC Single uPower Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel
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