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参数资料
| 型号： | MAX9671EVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 8/16页 |
| 文件大小： | 0K |
| 描述： | EVALUATION KIT FOR MAX9671 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 系列： | DirectDrive® |
| 主要目的： | 视频，HDMI 和视频开关 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | MAX9671 |
| 主要属性： | 双路 SCART 音频/视频开关 |
| 次要属性： | 音频音量控制 |
| 已供物品： | 板 |
| 相关产品： | MAX9671CTH+T-ND - IC AUDIO/VIDEO SWIT DUAL 44TQFN MAX9671CTH+-ND - IC AUDIO/VIDEO SWIT DUAL 44TQFN |
MAX9671 Evaluation Kit
Figure 4. Example of a Simple SMBusReadByte Operation Using the Advanced User Interface
Address Selection
Jumper JU1 sets the MAX9671 slave address. The
default address is 1001 011(R/ W ) (DEV_ADDR = VDD).
See Table 1 for a complete list of addresses.
Audio Encoder Inputs
Connect a stereo audio source that represents the
encoder audio to P4 (left audio) and P5 (right audio).
The Cirrus CS4334/5/8/9 and Burr-Brown PCM1742 are
commonly used in set-top boxes to convert a digital I 2 S
audio stream to analog-stereo audio signals. The full-
scale audio level of the CS4334 is 1.2V RMS , while the
full-scale audio level of the PCM1742 is 1.1V RMS . Both
parts center their audio outputs in the middle of their
analog supply voltage range.
The ENC_INL and ENC_INR inputs expect the incoming
audio signal to have a full scale of 0.5V RMS and to be
centered around ground. Therefore, the audio signals
presented to P4 and P5 are AC-coupled and attenuat-
ed by a resistor-divider network. The amount of attenua-
tion is determined by jumpers JU2 and JU3. If the shunt
position is 1-2, the resistor-divider network attenuates a
1.2V RMS full-scale audio signal to a 0.5V RMS full-scale
audio signal. If the shunt position is 2-3, the resistor-
divider network attenuates a 1.1V RMS full-scale audio
signal to a 0.5V RMS full-scale audio signal.
If the audio source does not have either a 1.2V RMS or
1.1V RMS full-scale signal, then the resistor-divider net-
work can be adjusted to accommodate another full-
scale audio level. For example, if the incoming audio
signal is 2V RMS full scale, then the signal must be
attenuated by a factor of 4. Set the shunt positions of
JU2 and JU3 to 1-2. Change resistors R57 and R59
from a 4.53k Ω resistor to a 2.2k Ω resistor.
8
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相关代理商/技术参数 |
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|---|---|
| MAX9671EVKIT+ | 功能描述:交换机 IC 开发工具 Low-Power A/V Switch w/Audio Volume Cntrl RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:USB Power Switches 工具用于评估:MAX4984E 工作电源电压:2.8 V to 5.5 V |
| MAX9672ETI+ | 功能描述:LCD Gamma缓冲器 10-Bit Prog Gamma Reference System RoHS:否 制造商:Maxim Integrated 输入补偿电压: 转换速度: 电源电压-最大:20 V 电源电压-最小:9 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-38 封装:Tube |
| MAX9672ETI+T | 功能描述:LCD Gamma缓冲器 10-Bit Prog Gamma Reference System RoHS:否 制造商:Maxim Integrated 输入补偿电压: 转换速度: 电源电压-最大:20 V 电源电压-最小:9 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-38 封装:Tube |
| MAX9672EVKIT+ | 功能描述:LCD Gamma缓冲器 Integrated Circuits (ICs) Video Processing - KIT EVALUATION FOR MAX9672 RoHS:否 制造商:Maxim Integrated 输入补偿电压: 转换速度: 电源电压-最大:20 V 电源电压-最小:9 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-38 封装:Tube |
| MAX9673ETI+ | 功能描述:LCD Gamma缓冲器 10-Bit Prog Gamma Reference System RoHS:否 制造商:Maxim Integrated 输入补偿电压: 转换速度: 电源电压-最大:20 V 电源电压-最小:9 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-38 封装:Tube |
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