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MAX14934DAWE+

更新时间： 2024-09-27 02:47:03
品牌 Logo 应用领域
美信 - MAXIM 接口集成电路
页数 文件大小 规格书
23页 1030K
描述
Four-Channel, 5kVRMS Digital Isolators

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MAX14934DAWE+ 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：,Reach Compliance Code：compliant
Factory Lead Time：6 weeks风险等级：5.3
接口集成电路类型：INTERFACE CIRCUIT

MAX14934DAWE+ 数据手册

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EVALUATION KIT AVAILABLE  
Click here to ask about the production status of specific part numbers.  
MAX14934–MAX14936  
Four-Channel, 5kVRMS Digital Isolators  
General Description  
The MAX14934–MAX14936 are a family of four-channel,  
Benefits and Features  
● Robust Galvanic Isolation of Digital Signals  
• Withstands 5kV  
for 60s (V  
)
5kV  
digital isolators utilizing Maxim’s proprietary  
RMS  
ISO  
RMS  
• Continuously Withstands 848V  
(V  
)
process technology. For applications requiring 2.75kV  
RMS IOWM  
RMS  
• 1200V Repetitive Peak Voltage (V  
)
P
IORM  
of isolation, see the MAX14930–MAX14932. The  
MAX14934–MAX14936 family transfers digital signals  
between circuits with different power domains at ambient  
temperatures up to +125°C.  
• Withstands ±10kV Surge per IEC 61000-4-5  
● Interfaces Directly with Most Micros and FPGAs  
• Accepts 1.71V to 5.5V Supplies  
The MAX14934–MAX14936 family offers all three  
possible unidirectional channel configurations to accommodate  
any four-channel design, including SPI, RS-232, RS-485,  
and large digital IO modules. For applications  
requiring bidirectional channels, such as I2C, refer to the  
MAX14937.  
● Many Options Support Broad Applications  
• 3 Data Rates (1Mbps, 25Mbps, 150Mbps)  
• 3 Channel Direction Configuration  
• 2 Output Default States (High or Low)  
● Low Power Consumption at High Data Rates  
At 1.8V:  
Devices are available with data rates from DC up to  
1Mbps, 25Mbps, or 150Mbps. Each device is also available  
in either a default high or default low configuration. The  
default is the state an output goes to when its input is  
unpowered. See the Product Selector Guide and Ordering  
Information for the suffixes associated with each option.  
• 2.5mA per Channel Typical at 1Mbps  
• 5.25mA per Channel Typical at 100Mbps  
At 3.3V:  
• 2.6mA per Channel Typical at 1Mbps  
• 7.1mA per Channel Typical at 100Mbps  
Safety Regulatory Approvals  
(see Safety Regulatory Approvals)  
● ULAccording to UL1577  
● cUL According to CSA Bulletin 5A  
● VDE 0884-11 Basic Insulation  
Independent 1.71V to 5.5V supplies on each side of the  
isolator also make the devices suitable for use as level  
translators.  
The MAX14934–MAX14936 are available in a 16-pin  
wide body (10.3mm x 7.5mm) SOIC package. All devices  
are rated for operation at ambient temperatures of -40°C  
to +125°C.  
Applications  
● Fieldbus Communications for Industrial Automation  
● Isolated SPI, RS-232, RS-485/RS-422  
● General Multichannel Isolation Applications  
● Battery Management  
Product Selector Guide and Ordering Information appear at  
end of data sheet.  
● Medical Systems  
Functional Diagram  
V
DDA  
V
DDB  
V
DDA  
V
V
DDA  
V
DDB  
DDB  
MAX14934  
MAX14935  
MAX14936  
ENB  
ENB  
ENB  
INA1  
INA2  
INA3  
INA4  
OUTB1  
INA1  
INA2  
INA3  
OUTB1  
INA1  
INA2  
OUTB1  
OUTB2  
OUTB3  
OUTB4  
OUTB2  
OUTB3  
INB1  
OUTB2  
INB1  
5kV  
DIGITAL  
ISOLATOR  
5kV  
RMS  
DIGITAL  
ISOLATOR  
5kV  
RMS  
DIGITAL  
ISOLATOR  
RMS  
OUTA1  
OUTA1  
ENA  
OUTA2  
ENA  
INB2  
GNDA  
GNDB  
GNDA  
GNDB  
GNDA  
GNDB  
19-7067; Rev 7; 11/20  
1234567...23

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