ISL3172EIUZ by Renesas Electronics | Drivers & Transmitters | Avnet ASIA
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ISL3172EIUZ

Renesas Electronics

Single Transmitter/Receiver RS-422/RS-485 8-Pin MSOP

Manufacturer Part #: ISL3172EIUZ

Alternate Part #: ISL3172EIUZ


RoHS Compliant

Descriptions

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Information

The Intersil ISL3172EIBZ-T are ±15kV IEC61000 ESD Protected, 3.3V-powered, single transceivers that meet both the RS-485 and RS-422 standards for balanced communication. These devices have very low bus currents (+125mA/-100mA), so they present a true “1/8 unit load” to the RS-485 bus. This allows up to 256 transceivers on the network without violating the RS-485 specification’s 32 unit load maximum, and without using repeaters. For example, in a remote utility meter reading system, individual meter readings are routed to a concentrator via an RS-485 network, so the high allowed node count minimizes the number of repeaters required. The ISL3172EIBZ-T are configured for full duplex (separate Rx input and Tx output pins) applications. The half duplex versions multiplex the Rx inputs and Tx outputs to allow transceivers with output disable functions in 8 Ld packages.

Key Features

  • IEC61000 ESD Protection on RS-485 I/O Pins ±15kV
  • Class 3 ESD Level on all Other Pins : >7kV HBM
  • Full Fail-safe (Open, Short, Terminated/Floating) Receivers
  • Hot Plug - Tx and Rx Outputs Remain Three-state During Power-up
  • True 1/8 Unit Load Allows up to 256 Devices on the Bus
  • Single 3.3V Supply
  • High Data Rates : 0.25 Mbps
  • Low Quiescent Supply Current : 800 μA (Max)
  • Ultra Low Shutdown Supply Current : 10 nA
  • -7V to +12V Common Mode Input/Output Voltage Range
  • Half and Full Duplex Pinouts
  • Three State Rx and Tx Outputs Available
  • Current Limiting and Thermal Shutdown for driver Overload Protection
  • Tiny MSOP Packages Consume 50% Less Board Space
  • Pb-Free (RoHS Compliant)

Technical Attributes

Description
Value
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Supplier Package
MSOP
Data Transmission Topology
Multidrop|Multipoint
Number of Transceivers
1
Lead Finish
Matte Tin
Number of Receivers per Line
10@RS-422|256@RS-485
Data Rate
800 Kbps
Number of Transmitter Enables
1
Screening Level
Industrial
Operating Temperature
-40 to 85 °C
Transmitter Signal Type
Differential
Receiver Signal Type
Differential
Pin Count
8
ESD Protection
Yes
Driving Mode
3-State
Function
Line Transceiver
Maximum Single Supply Voltage
3.6 V
Receiver Communication Type
RS-422|RS-485
Maximum Supply Current
0.8 mA
Power Supply Type
Single
Minimum Single Supply Voltage
3 V
MSL Level
2
Number of Transmitters
1
Number of Receivers
1
Number of Receiver Enables
1
Interface Standards
RS-422|RS-485
Max Processing Temp
260
Mounting
Surface Mount
Product Dimensions
3.05 x 3.05 x 0.95 mm
Number of Drivers per Line
1@RS-422|256@RS-485
Typical Single Supply Voltage
3.3 V
Transmitter Communication Type
RS-422|RS-485

ECCN / UNSPSC

Description
Value
ECCN:
EAR99
SCHEDULE B:
8542390000"
HTSN:
8542390001"
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