What is the Additional Feature ?

Name: ISO3082DW
Brand: Texas Instruments
SKU: ISO3082DW
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 ISO3082DW

Part No.:: ISO3082DW

Manufacturer:: Texas Instruments

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

Datasheet:: ISO3082DW.pdf

Description:: ISO RS485/422 0.2MBPS 2.5KVRMS

In Stock:: 2162

Quantity:: Add To Cart

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ISO3082DW 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:
200kbps
PropagationDelaytpLH/tpHL(Max):
-
PulseWidthDistortion(Max):
-
Rise/FallTime(Typ):
-
Voltage-Supply:
3.15V ~ 5.5V, 4.5V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

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ISO3082DW information

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ISO3082DW Typical application Circuitry

Embedded within the family of isolated RS-485 transceivers, the ISO3082DW is known for providing robust isolation in industrial communication interfaces. The hallmark of this series is its ability to facilitate reliable data transmission over long distances in electrically noisy industrial environments. Enhanced safety features, resistance to system noise, and protection against transient voltages are among the series' standout attributes.To incorporate the ISO3082DW into your system, a thorough understanding of the pin-out specifics and circuit interconnection is crucial. Below is a breakdown of each pin's role and how they fit into the overall circuit design:

1. Pin 1 (DE): The "Driver Enable" controls the driver output functions. The driver is turned on or off based on the logic level; a high logic level turns it on. Ensure this pin is connected to the controlling microcontroller or external control logic to manage the RS-485 driver's state.

2. Pin 2 (RE): Termed "Receiver Enable," this pin, when low, activates the receiver to listen to the bus. Conversely, a high state disables the receiver. This pin often connects to a control line, determining whether the device is currently listening to the bus.

3. Pin 3 (DI): This "Driver Input" pin is where the logic-level signals from the controller are entered. These signals are then translated into RS-485 level signals and transmitted over the bus. It connects directly to the transmitting data line of your microcontroller.

4. Pin 4 (RO): The "Receiver Output" pin provides the logic-level output signals that the ISO3082DW has received and translated from the RS-485 bus levels. This pin should be interfaced with the receiving data line of your microcontroller.

5. Pins 5 and 8 (GND): These are ground reference pins for the logic side of the device. They must be connected to the system's ground plane to provide a common reference point for the transmitted and received signals.

6. Pin 6 (B) and Pin 7 (A): The differential bus pins are located here. 'B' is the negative bus terminal, and 'A' is the positive bus terminal of the RS-485 communication line. These pins connect directly to the twisted-pair RS-485 bus.

7. Pin 9 (VCC): This is the power supply pin for the logic side and should be connected to a +5V power source. Proper decoupling, usually via a ceramic capacitor, is recommended to ensure stability.

8. Pins 10, 11, and 14 (GNDIso): These pins represent the isolated ground for the RS-485 driver side. They should be connected to the ground of the isolated power domain feeding the RS-485 transceiver side.

9. Pin 12 (VCCIso): The isolated power supply input for the driver side, typically +5V, depending on the specific requirements of the RS-485 transceiver side.

10. Pin 13 (Z): This is an optional pin used in some models for impedance matching. It might be left unconnected or connected to GND through a termination resistor, based on the network's characteristic impedance.

11. In deploying the ISO3082DW, consider adopting these strategies:

- The use of twisted-pair cables is recommended for A and B connections to minimize noise and enhance signal integrity.

- Implement proper termination practices, especially in high-speed communication, to prevent signal reflection.

- Opt for isolated power supplies to maintain the integrity of the isolation barrier between different sections of your system.

- Follow best PCB layout practices, like keeping the RS-485 communication lines as far away as possible from noisy power lines or high-speed digital tracks.

The ISO3082DW emerges as a definitive solution in environments that demand precise, isolated, and robust data communication. Its proper integration requires an astute understanding of each pin and a methodological approach to circuit connection. By following these detailed insights, one can effectively utilize the ISO3082DW to its full potential in any industrial communication setup.

ISO3082DW FAQ

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6. What is the process for return or replacement of ISO3082DW?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the ISO3082DW we delivered, we will accept the replacement or return of the ISO3082DW only when all of the below conditions are fulfilled:

(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 ISO3082DW.

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

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(1)Inform us within 90 days

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