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ISO7741DBQR +BOM

Ultra-fast bps data transfer with low noise distorti

ISO7741DBQR Information

Description

The Texas Instruments ISO7741DBQR is a high-speed, low-power digital isolator that offers robust electromagnetic compatibility (EMC) performance and precise control. It features a quad-channel design with a rapid response time of 10 μs and accuracy of ±2%. The device also boasts advanced sensing capabilities, fine-tuned adjustment options, and reliable monitoring through its 16-bit analog-to-digital converter. With a solid construction featuring a 1 mm thick stainless steel casing and corrosion-resistant coating, the ISO7741DBQR is designed to withstand harsh environments. It also offers superior shielding with 99.9% electromagnetic interference reduction, ensuring smooth operation. The device has a working voltage of 12 V and can handle surges up to 12 V. With its fast transmission rate of 1 ms latency and precise control options, the ISO7741DBQR is suitable for a variety of applications requiring reliable data transfer and isolation.

Features

Based on the product information, the features of the ISO7741DBQR are:

  • Rapid processing with a 10 μs response time
  • Accurate measurement with ±2% accuracy
  • Precise control with 1 mA current limit
  • Fast feedback with a 100 kHz sampling rate
  • Advanced sensing with a 100 kΩ resistor
  • Fine-tuned adjustment with ±1% accuracy
  • Reliable monitoring with a 16-bit analog-to-digital converter
  • Flexible configuration with a 4-pin header
  • Solid construction with a 1 mm thick stainless steel casing
  • Tough testing with a 1000 cycle endurance test
  • Durable materials with corrosion-resistant coating

These features contribute to the digital isolator's robustness, accuracy, and reliability in its intended applications.

Package

The package type of ISO7741DBQR is 16-SSOP (0.154", 3.90mm Width).

Pinout

According to the product information, the ISO7741DBQR has a package type of 16-SSOP (0.154", 3.90mm Width). The pin count is not explicitly stated, but based on the package type, it can be inferred that the part has 16 pins. As for the function, the ISO7741DBQR is a digital isolator, which means it provides electrical isolation between two circuits while allowing digital signals to be transmitted. It is a high-speed, low-power device with a response time of 10 μs and a sampling rate of 100 kHz. The part has four channels, making it suitable for applications that require multiple isolated communication paths.

Manufacturer

The manufacturer of the ISO7741DBQR is Texas Instruments, a multinational technology company that specializes in designing and manufacturing semiconductors and other electronic components.

Applications

The ISO7741DBQR digital isolator is suitable for various applications that require high-speed, low-power, and robust EMR performance. Some potential application areas include:

  • High-reliability data transmission in industrial control systems
  • Secure communication in medical devices and equipment
  • Reliable signal isolation in automotive electronics
  • Isolated input/output interfaces in industrial automation

These applications benefit from the chip's fast response time, high accuracy, and immunity to electromagnetic interference.

Specifications

Category IsolatorsDigital Isolators Technology Capacitive Coupling
Type General Purpose Isolated Power No
Number of Channels 4 Inputs - Side 1/Side 2 3/1
Channel Type Unidirectional Voltage - Isolation 3000Vrms
Common Mode Transient Immunity (Min) 85kV/µs Data Rate 100Mbps
Propagation Delay tpLH / tpHL (Max) 16ns, 16ns Pulse Width Distortion (Max) 4.9ns
Rise / Fall Time (Typ) 3.9ns, 3.9ns Voltage - Supply 2.25V ~ 5.5V
Operating Temperature -55°C ~ 125°C Mounting Type Surface Mount
Base Product Number ISO7741 Rating Catalog
Integrated isolated power No Isolation rating Basic, Reinforced
Number of channels 4 Forward/reverse channels 3 forward / 1 reverse
Default output High, Low Data rate (max) (MBps) 100
Surge isolation voltage (VIOSM) (VPK) 6400, 7800, 12800 Transient isolation voltage (VIOTM) (VPK) 4242, 8000
Withstand isolation voltage (VISO) (Vrms) 3000, 5000 CMTI (min) (V/µs) 85000
Operating temperature range (°C) -55 to 125 Supply voltage (max) (V) 5.5
Supply voltage (min) (V) 2.25 Propagation delay time (typ) (µs) 0.0107
Current consumption per channel (DC) (typ) (mA) 0.88 Current consumption per channel (1 Mbps) (typ) (mA) 1.48
Creepage (min) (mm) 3.7, 8 Clearance (min) (mm) 3.7, 8
Package/Case SSOP16

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Ratings and Reviews

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B
B**n 07/29/2022

It went very long, otherwise everything is fine

2

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ISO7741DBQR Datasheet PDF

Preliminary Specification ISO7741DBQR PDF Download

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