Digital Input. MAX22195 Datasheet

MAX22195 Input. Datasheet pdf. Equivalent

MAX22195 Datasheet
Recommendation MAX22195 Datasheet
Part MAX22195
Description Industrial Digital Input
Feature MAX22195; Click here for production status of specific part numbers. MAX22195 EVALUATION KIT AVAILABLE High-S.
Manufacture Maxim Integrated
Datasheet
Download MAX22195 Datasheet




Maxim Integrated MAX22195
Click here for production status of specific part numbers.
MAX22195
EVALUATION KIT AVAILABLE
High-Speed, Octal, Industrial Digital Input
with Parallel Output
General Description
The MAX22195 translates eight 24V industrial digital inputs
to eight CMOS-compatible, parallel outputs. Propagation
delay from input-to-output is less than 300ns for all channels.
Current-limiters on each digital input greatly reduce power
dissipation compared to traditional resistive inputs. The
accuracy of these current-limiters minimizes power
dissipation while ensuring compliance with the IEC
61131-2 standard. A current-setting resistor allows the
MAX22195 to be configured for Type 1, Type 2, or Type
3 inputs. Additionally, the MAX22195 has energyless field-
side LED drivers to meet the indicator light requirement of
IEC 61131-2 with no additional power dissipation.
The MAX22195 provides a 3.3V integrated voltage
regulator. The internal LDO accepts the field supply
VDD24 from 7V to 65V. The internal LDO output can
supply up to 25mA of current in addition to powering the
basic MAX22195 requirements. This MAX22195 LDO
current can be used to power digital isolators and other
field-side circuits. Alternatively, the MAX22195 can be powered
from a 3.0V to 5.5V supply connected to VDD3 pin.
The MAX22195 includes an open-drain READY output
that asserts high to indicate the MAX22195 is functional.
If the VDD24 field-side supply voltage is too low, or a fault
in the current-setting resistor is detected, or the device
reaches an over-temperature condition, the READY sig-
nal is set to high-impedance.
Applications
● Programmable Logic Controllers
● Industrial Automation
● Process Automation
● Building Automation
Benefits and Features
● High-Speed, Industrial Digital Inputs
• 300ns Maximum Propagation Delay
• ±10ns Maximum Channel-to-Channel Skew
• Parallel Output for Simultaneous Signal Delivery
● High Integration Reduces BOM Count and Board Space
• Operates Directly from Field Supply (7V to 65V)
• Compatible with 3.3V or 5V Logic
• 5mm x 5mm, 32-TQFN Package
● Low Power and Low Heat Dissipation
• Low Quiescent Current (1.2mA Maximum)
• Accurate Input Current-Limiters
• Energyless Field-Side LED Drivers
● Fault Tolerant with Built-In Diagnostics
• Integrated Field-Side Supply Monitor
• Integrated Over-Temperature Monitor
• Current-Setting Resistor Monitor
● Configurability Enables Wide Range of Applications
Configurable IEC 61131-2 Types 1, 2, 3 Inputs
Configurable Input Current Limiting from 0.56mA to
3.97mA
● Robust Design
±1kV Surge Tolerant using Minimum 1kΩ Resistor
• ±8kV Contact ESD and ±15kV Air Gap ESD Using
Minimum 1kΩ Resistor
• -40°C to +125°C Ambient Operating Temperature
Ordering Information appears at end of data sheet.
19-100330; Rev 4; 4/19



Maxim Integrated MAX22195
MAX22195
High-Speed, Octal, Industrial Digital Input
with Parallel Output
Octal Digital Input with Parallel Output
24V 150
1µF 0.1µF
3.3V
0.1µF
1µF
EXTVM
VDD24 VDD3
8.6kREFDI
R DYEN
1.5k
1.5k
IN1
LED1
IN2
LED2
INF (INPUT FIELD)
1.5k
INP (INPUT PIN)
IN8
LED8
MAX22195
GND
R EADY
OP1
OP2
OP3
OP4
OP5
OP6
OP7
OP8
VDD
4.7k
GPI
MICROCONTROLLER
GPI1
GPI2
GPI3
GPI4
GPI5
GPI6
GPI7
GPI8
GND
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Maxim Integrated 2



Maxim Integrated MAX22195
MAX22195
High-Speed, Octal, Industrial Digital Input
with Parallel Output
Absolute Maximum Ratings
VDD3 to GND ..........................................................-0.3V to +6V
VDD24 to GND........................................................-0.3V to +70V
OP1–OP8...................................................-0.3V to VDD3 + 0.3V
IN1–IN8 to GND......................................................-40V to +40V
REFDI to GND............................................-0.3V to VDD3 + 0.3V
READY, RDYEN to GND..........................................-0.3V to +6V
EXTVM to GND........................................................-0.3V to +6V
LED1–LED8 to GND................................................-0.3V to +6V
Continuous Power Dissipation
Multilayer Board TA = +70°C......................................2222mW
Derate above +70°C.............................................27.80mW/°C
Operating Temperature Range.........................................+125°C
Maximum Junction Temperature......................................+150°C
Storage Temperature Range............................. -65°C to +150°C
Lead Temperature (soldering, 10s).................................. +300°C
Soldering(reflow).............................................................. +260°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these
or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
Package Information
PACKAGE TYPE: 32 TQFN
Package Code
T3255+6
Outline Number
21-0140
Land Pattern Number
90-0603
THERMAL RESISTANCE, MULTILAYER BOARD
Junction to Ambient (θJA)
Junction to Case (θJC)
36°C/W
3°C/W
For the latest package outline information and land patterns (footprints), go to www.maximintegrated.com/packages. Note that a “+”,
“#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing
pertains to the package regardless of RoHS status.
Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board.
For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial.
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Maxim Integrated 3







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