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MAX22196

更新时间： 2023-12-20 18:45:25
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亚德诺 - ADI /
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61页 2741K
描述
八通道工业灌/拉数字输入器件

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MAX22196 数据手册

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Click here to ask an associate for production status of specific part numbers.  
Octal Industrial Sink/Source  
Digital Input  
MAX22196  
TTL or HTL (high-impedance 24V levels). The current  
sinks or sources can be individually disabled.  
Product Highlights  
•
Software Configurable  
• Eight Inputs Individually Configurable as Sink or  
Source  
Every  
input  
channel  
has  
a
programmable  
glitch/debounce filter, and every input channel has an  
optional 16-bit down-counter.  
• Type 1/3, Type 2, TTL and Hi-Z (HTL) Modes  
• Wide Resistor-Settable Accurate Input Current  
Ranging from 0.5mA to 6.75mA  
The MAX22196 can be powered from a field supply from  
8V up to 36V for sink/source operation and has an  
integrated 5V linear regulator that can provide up to  
20mA of load current.  
• Programmable Glitch Filters  
• Extensive Diagnostics (Supply Voltage  
Monitoring, Temperature Alarms, PCB Fault  
Alarms, Thermal Shutdown)  
• Optional 16-bit Down-Counter Mode per Input  
• Addressable or Daisy-Chain SPI to Reduce  
Isolation Channels  
Simplified Application Diagram  
24V  
V
V
24  
A
V
24  
V
L
= V  
A
REGEN  
160k ꢀ  
33V  
0.1µF  
V
V
L
M
MAX22196  
VMOK  
10k ꢀ  
10k  
10k  
FAULT  
•
Robust Solution  
READY  
CHANNEL 1  
12k  
REFDI  
• IEC 61000-4-2 ESD Airgap ±15kV and Contact  
±8kV with Minimum 680Ω Pulse Resistor at Field  
Inputs  
V
24  
LATCH  
CS  
I
SOURCE  
SDO  
SCLK  
SDI  
• IEC 61000-4-5 Surge ±1.2kV/42Ω with Minimum  
680Ω Pulse Resistor at Field Inputs  
• Cyclic Redundancy Check (CRC) Error Detection  
on SPI  
FIELD INPUT 1  
ꢀꢁꢂꢃ  
IN1  
DAISY  
CRCEN  
A1  
A0  
I
SINK  
• -40°C to +125°C Operating Temperature  
ꢄꢅꢂꢃ  
FIELD INPUT 2  
FIELD INPUT 8  
LO1  
LO2  
LO3  
ꢀꢁꢂꢃ  
ꢀꢁꢂꢃ  
IN2  
IN8  
•
•
Low-Power Dissipation  
• Operates from 8V to 36V Field Supply  
• Low-Supply Current 2mA Maximum  
CHANNEL 2  
CHANNEL 8  
ꢄꢅꢂꢃ  
ꢄꢅꢂꢃ  
LO6 LO5 LO4  
Compact Solution  
GND  
• Integrated 5V, 20mA Linear Regulator  
• 2.5V to 5.5V Logic Interface  
• LED Driver Matrix or GPO Outputs  
• 5mm x 5mm 32-Pin TQFN Package  
VMLOW  
Pin Description  
Key Applications  
TOP VIEW  
•
•
•
Programmable Logic Controllers  
Factory Automation  
Process Control  
32 31 30 29 28 27 26 25  
1
2
3
4
5
6
7
8
24  
23  
22  
21  
20  
19  
18  
IN1  
IN2  
LO1  
LO2  
LO3  
LO4  
+
The MAX22196 is an industrial octal digital input that  
translates eight industrial 24V or TTL level inputs to logic  
level outputs. The device has a serial interface allowing  
configuration and reading of serialized data through SPI.  
IN3  
IN4  
IN5  
IN6  
IN7  
IN8  
MAX22196  
LO5  
LO6  
EP = GND  
DAISY  
The input channels are individually configurable as  
sinking (p-type) or sourcing (n-type) inputs. Current  
limiters on each digital input minimize power dissipation  
while ensuring compliance with the IEC 61131-2  
standard. With a single current-setting resistor, the  
inputs are individually configurable for Type 1/3, Type 2,  
17 CRCEN  
10 11 12 13 14 15 16  
9
TQFN  
5mm x 5mm  
Ordering Information appears at end of data sheet.  
19-101536; Rev 0; 03/23  
© 2023 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners.  
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