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Name: ISO3086TDW
Brand: Texas Instruments
SKU: ISO3086TDW
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments ISO3086TDW

Part No.:: ISO3086TDW

Manufacturer:: Texas Instruments

Package:: 16-SOIC (0.295, 7.50mm Width)

Datasheet:: ISO3086TDW.pdf

Description:: ISO RS485 W/ TRANSFORMER DRIVER

In Stock:: 3605

Quantity:: Add To Cart

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ISO3086TDW Specifications

Packaging:
Tube
Series:
-
ProductStatus:
Active
Technology:
Capacitive Coupling
Type:
RS422, RS485
IsolatedPower:
No
NumberofChannels:
3
Inputs-Side1/Side2:
2/1
ChannelType:
Unidirectional
Voltage-Isolation:
2500Vrms
CommonModeTransientImmunity(Min):
25kV/µs
DataRate:
20Mbps
PropagationDelaytpLH/tpHL(Max):
-
PulseWidthDistortion(Max):
7.5ns
Rise/FallTime(Typ):
-
Voltage-Supply:
3V ~ 3.6V, 4.5V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

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ISO3086TDW information

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ISO3086TDW Typical application Circuitry

The ISO3086TDW is a rugged isolated RS-485 transceiver designed to enable long-distance data connection reliability. This device includes an integrated isolation barrier that can protect against ground potential differences and voltage transients. Here's a guide to the detailed circuit connection for the ISO3086TDW:

1. Power Supply Pins (VCC1, Pin 1; GND1, Pin 2; VCC2, Pin 16; GND2, Pin 15): Connect VCC1 and GND1 to the logic-side power supply, typically 3.3V or 5V. VCC2 and GND2 must be connected to the bus-side power supply, which is also typically 3.3V or 5V. It's advisable to add decoupling capacitors close to these pins to minimize noise in the ISO3086TDW.

2. Bus Terminal Pins (A, Pin 13; B, Pin 12): Connect A and B to the corresponding differential bus lines. These pins interface with the RS-485 network. Proper termination resistors are essential at both ends of the communication line to prevent signal reflection.

3. Driver Input (DI, Pin 3): This pin accepts the logic-level data input to the ISO3086TDW. Connect it to the corresponding output of the microcontroller or other digital logic source driving the communication.

4. Driver Output Enable (DE, Pin 4): When this pin is driven high, the driver is enabled, and the ISO3086TDW can transmit data onto the bus. When driven low, the driver is disabled. Connect this pin to the control signal responsible for managing transmission in your design.

5. Receiver Output (RO, Pin 9): This pin provides the received data from the bus. Connect it to the corresponding input on your microcontroller or logic device to read the data received by the ISO3086TDW.

6. Receiver Output Enable (RE, Pin 8): Drive this pin low to enable the receiver, allowing data to be read from the bus. Drive it high to disable the receiver. Connect this pin as needed to control reception in your design.

7. Thermal Pad (Center of the Package): The ISO3086TDW includes a thermal pad to aid in heat dissipation. This pad should be soldered to the PCB and may be connected to the ground, depending on your thermal management requirements.

8. Isolation Boundary: The ISO3086TDW includes an isolation barrier between pins 1-8 (logic side) and pins 9-16 (bus side). Ensure that layout guidelines related to isolation are followed to maintain safety and performance.

By properly interfacing with these pins, the ISO3086TDW can provide a robust and isolated communication solution for RS-485 networks. Always refer to the specific data sheet for the ISO3086TDW to confirm connection details and consider application-specific requirements, as different implementations may necessitate variations in the connection methodology.

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of ISO3086TDW.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations