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ISO7341FCQDWQ1

Automotive, low-power, quad-channel, 3/1, 25-Mbps digital isolator

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

ISO7341FCQDWQ1
Datasheet:

ISO7341FCQDWQ1 Datasheet (PDF)
Series:

Automotive, AEC-Q100
Technology:

Capacitive Coupling
Type:

General Purpose
Isolated Power:

No
EDA/CAD Models:

Request Free CAD Models for ISO7341FCQDWQ1

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ISO7341FCQDWQ1 General Description

The ISO734x-Q1 family of devices provides galvanic isolation up to 3000 V_RMS for 1 minute per UL 1577 and 4242 V_PKper VDE V 0884-10. These devices have four isolated channels comprised of logic input and output buffers separated by a silicon dioxide (SiO₂) insulation barrier.

The ISO7340-Q1 device has four channels in forward direction, the ISO7341-Q1 device has three forward and one reverse-direction channels, and the ISO7342-Q1 device has two forward and two reverse-direction channels. In case of input power or signal loss, the default output is low for orderable part numbers with suffix F and high for orderable part numbers without suffix F. See the Device Functional Modes section for further details.

Used in conjunction with isolated power supplies, these devices help prevent noise currents on a data bus or other circuits from entering the local ground and interfering with or damaging sensitive circuitry. The ISO734x-Q1 device has integrated noise filter for harsh industrial environment where short noise pulses may be present at the device input pins. The ISO734x-Q1 device has TTL input thresholds and operates from 3-V to 5.5-V supply levels. Through innovative chip design and layout techniques, electromagnetic compatibility of the ISO734x-Q1 family of devices has been significantly enhanced to enable system-level ESD, EFT, surge, and emissions compliance.

Key Features

Qualified for Automotive Applications
AEC-Q100 Qualified With the Following Results:
- Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
- Device HBM Classification Level 3A
- Device CDM Classification Level C6
Signaling Rate: 25 Mbps
Integrated Noise Filter on the Inputs
Default Output High and Low Options
Low Power Consumption, Typical I_CC per Channel at 1 Mbps:
- ISO7340-Q1: 0.9 mA (5-V Supplies),
  0.7 mA (3.3-V Supplies)
- ISO7341-Q1: 1.2 mA (5-V Supplies),
  0.9 mA (3.3-V Supplies)
- ISO7342-Q1: 1.3 mA (5-V Supplies),
  0.9 mA (3.3-V Supplies)
Low Propagation Delay: 31 ns
Typical (5-V Supplies)
3.3-V and 5-V Level Translation
70-KV/µs Transient Immunity, Typical (5-V Supplies)
Robust Electromagnetic Compatibility (EMC)
- System-level ESD, EFT, and Surge Immunity
- Low Emissions
Operates from 3.3-V and 5-V Supplies
Wide-Body SOIC-16 Package
Safety-Related Certifications:
- 4242-V_PK Basic Isolation per DIN V VDE V 0884-10 and DIN EN 61010-1
- 3-KV_RMS Isolation for 1 minute per UL 1577
- CSA Component Acceptance Notice 5A, IEC 60950-1 and IEC 61010-1 End Equipment Standards
- GB4943.1-2011 CQC Certified

Specifications

Category	IsolatorsDigital Isolators	Series	Automotive, AEC-Q100
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)	25kV/µs
Data Rate	25Mbps	Propagation Delay tpLH / tpHL (Max)	58ns, 58ns
Pulse Width Distortion (Max)	4.1ns	Rise / Fall Time (Typ)	2.1ns, 1.7ns
Voltage - Supply	3V ~ 5.5V	Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount	Base Product Number	ISO7341