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MAX14820ETG

更新时间： 2024-11-23 07:15:47
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
29页 2110K
描述
IO-Link Device Transceiver

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MAX14820ETG 数据手册

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19-5787; Rev 4; 1/12  
E V A L U A T I O N K I T A V A I L A B L E  
Features  
General Description  
®
The MAX14820 transceiver is suitable for IO-Link  
S IO-Link Specification v.1.0 and v.1.1 Physical Layer  
devices and 24V binary sensors/actuators. All specified  
IO-Link data rates are supported. In IO-Link applica-  
tions, the transceiver acts as the physical layer interface  
to a microcontroller running the data-link layer protocol.  
Additional 24V digital inputs and outputs are provided.  
Two internal linear regulators generate common sensor  
and actuator power requirements: 5V and 3.3V.  
On-board C/Q and DO drivers are independently config-  
urable for push-pull, high-side (PNP), or low-side (NPN)  
operation. The device detects the IO-Link C/Q wake-up  
condition and generates a wake-up signal on the active-  
low WU output. The C/Q and DI inputs have selectable  
current loads for use in actuators.  
Compliant  
S Supports COM1, COM2, and COM3 Data Rates  
S IO-Link Device Wake-up Detection  
S Push-Pull, High-Side, or Low-Side Outputs  
S 300mA Specified C/Q Output Drive  
S 1µF C/Q and DO Load-Drive Capability  
S Auxiliary 24V, 135mA Digital Output  
S Auxiliary 24V Digital Input  
S Optional 6mA/7mA Current Loads at Both 24V Inputs  
S 5V and 3.3V Linear Regulators  
An SPI™ interface allows configuration and monitoring of  
the devices. Extensive alarm conditions are detected and  
communicated through the IRQ output and the SPI inter-  
face. The devices feature reverse-polarity, short-circuit,  
and thermal protection. All power lines are monitored for  
undervoltage conditions.  
S Reverse-Polarity Protected 24V Supply Output  
S EMI Emission Control Through Slew-Controlled Driver  
S SPI Interface for Configuration and Monitoring  
S 2.5V to 5V Logic Interface Levels  
S Reverse-Polarity and Short-Circuit Protection on All  
The C/Q driver is specified for sinking/sourcing 300mA.  
The DO driver is specified for sinking/sourcing 135mA.  
24V Inputs/Outputs  
The device is available in a 4mm x 4mm, 24-pin TQFN  
package, and is specified over the extended -40NC to  
+85NC temperature range.  
S High-Temperature Warning and Thermal Shutdown  
S Extensive Fault Monitoring and Reporting  
S -40NC to +85NC Operating Temperature Range  
S 4mm x 4mm TQFN Package  
Applications  
IO-Link Sensors Industrial Sensors and Actuators  
IO-Link Actuators  
Typical Operating Circuit  
5V  
3.3V  
1μF  
0.1μF  
0.1μF  
10kΩ  
0.8Ω  
1μF  
V
CC  
V
L
TXQ LDO33  
V
LDOIN V  
P
5
GPIO2  
UV  
V
CC  
SPI  
L+  
DO  
IRQ  
RX  
WU  
RX  
MAX14820  
MICROCONTROLLER  
1
2
TX  
TXC  
TXEN  
LO  
C/Q  
4
3
RTS  
L-  
GPIO1  
GND  
DI  
GND  
IO-Link is a registered trademark of Profibus User Organization (PNO).  
SPI is a trademark of Motorola, Inc.  
Ordering Information appears at end of data sheet.  
For related parts and recommended products to use with this part, refer to: www.maxim-ic.com/MAX14820.related  
����������������������������������������������������������������� Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
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