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MAX14821ETG

更新时间： 2024-11-09 07:15:47
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
29页 2290K
描述
IO-Link Device Transceiver

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MAX14821ETG 数据手册

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19-5916; Rev 1; 2/12  
General Description  
Features  
®
S IO-Link Specification v.1.0 and v.1.1 Physical Layer-  
The MAX14821 transceiver is suitable for IO-Link  
Compliant  
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.  
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 100mA Specified C/Q Output Drive  
S Auxiliary 24V, 100mA Digital Output  
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.  
An SPI™ interface allows configuration and monitoring of  
the device. Extensive alarm conditions are detected and  
communicated through the IRQ output and the SPI inter-  
face. The device features reverse-polarity, short-circuit,  
and thermal protection. All power lines are monitored for  
undervoltage conditions.  
The C/Q and DO drivers are specified for sourcing/sink-  
ing up to 100mA.  
The device is available in a 2.5mm x 2.5mm, 25-pin WLP  
and a 4mm x 4mm, 24-pin TQFN package. Both are speci-  
fied over the extended -40NC to +85NC temperature range.  
S Auxiliary 24V Digital Input  
S Optional 6mA/7mA Current Loads at Both 24V Inputs  
S 5V and 3.3V Linear Regulators  
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  
24V Inputs/Outputs  
S High-Temperature Warning and Thermal Shutdown  
S Extensive Fault Monitoring and Reporting  
S -40NC to +85NC Operating Temperature Range  
S 2.5mm x 2.5mm WLP and 4mm x 4mm TQFN  
Packages  
Applications  
Ordering Information appears at end of data sheet.  
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  
MAX14821  
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.  
For related parts and recommended products to use with this part, refer to: www.maxim-ic.com/MAX14821.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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