Catalog
Dual-channel, 2/0, digital isolator
Key Features
• Highest Signaling Rate: 1 MbpsPropagation Delay Less Than 20 nsLow-Power ConsumptionWide Ambient Temperature: –40°C to 105°C50 kV/µs Transient Immunity TypicalOperates From 3.3-V or 5-V Supply and LogicLevels3.3-V and 5.0-V Level TranslationSafety and Regulatory Approvals6000 VPKIsolation per DIN V VDE V 0884-10and DIN EN 61010-14243 VRMSIsolation for 1 Minute per UL 1577CSA Component Acceptance Notice 5A, IEC60950-1, IEC 61010-1, and IEC 60601-1 EndEquipment StandardsTUV 5000 VRMSIsolation per EN 60950-1 andEN 61010-1CQC Certification per GB4943.1-2011APPLICATIONSOpto-Coupler Replacement in:Industrial Field-BusesProfiBusesModBusesDeviceNet™ Data BusesServo Control InterfacesMotor ControlPower SuppliesBattery PacksAll other trademarks are the property of their respective ownersHighest Signaling Rate: 1 MbpsPropagation Delay Less Than 20 nsLow-Power ConsumptionWide Ambient Temperature: –40°C to 105°C50 kV/µs Transient Immunity TypicalOperates From 3.3-V or 5-V Supply and LogicLevels3.3-V and 5.0-V Level TranslationSafety and Regulatory Approvals6000 VPKIsolation per DIN V VDE V 0884-10and DIN EN 61010-14243 VRMSIsolation for 1 Minute per UL 1577CSA Component Acceptance Notice 5A, IEC60950-1, IEC 61010-1, and IEC 60601-1 EndEquipment StandardsTUV 5000 VRMSIsolation per EN 60950-1 andEN 61010-1CQC Certification per GB4943.1-2011APPLICATIONSOpto-Coupler Replacement in:Industrial Field-BusesProfiBusesModBusesDeviceNet™ Data BusesServo Control InterfacesMotor ControlPower SuppliesBattery PacksAll other trademarks are the property of their respective owners
Description
AI
The ISO7520C and ISO7521C provide galvanic isolation of up to 4243 VRMSfor 1 minute per UL and 6000 VPKper VDE. These devices are also certified to 5000 VRMSreinforced insulation per end equipment standards IEC 60950-1, IEC 61010-1, and IEC 60601-1. These digital isolators have two isolated channels with unidirectional (ISO7520C) and bidirectional (ISO7521C) channel configurations. Each isolation channel has a logic input and output buffer separated by a silicon oxide (SiO2) insulation barrier. Used in conjunction with isolated power supplies, these devices prevent noise currents on a data bus or other circuits from entering the local ground and interfering with or damaging sensitive circuitry. The devices have TTL input thresholds and can operate from 3.3- and 5-V supplies. All inputs are 5-V tolerant when supplied from 3.3-V supplies.
NOTE:The ISO7520C and ISO7521C are specified for signaling rates up to 1 Mbps. Due to their fast response time, these devices will also transmit faster data with much shorter pulse widths. Designers must add external filtering to remove spurious signals with input pulse duration < 20 ns, if desired.
The ISO7520C and ISO7521C provide galvanic isolation of up to 4243 VRMSfor 1 minute per UL and 6000 VPKper VDE. These devices are also certified to 5000 VRMSreinforced insulation per end equipment standards IEC 60950-1, IEC 61010-1, and IEC 60601-1. These digital isolators have two isolated channels with unidirectional (ISO7520C) and bidirectional (ISO7521C) channel configurations. Each isolation channel has a logic input and output buffer separated by a silicon oxide (SiO2) insulation barrier. Used in conjunction with isolated power supplies, these devices prevent noise currents on a data bus or other circuits from entering the local ground and interfering with or damaging sensitive circuitry. The devices have TTL input thresholds and can operate from 3.3- and 5-V supplies. All inputs are 5-V tolerant when supplied from 3.3-V supplies.
NOTE:The ISO7520C and ISO7521C are specified for signaling rates up to 1 Mbps. Due to their fast response time, these devices will also transmit faster data with much shorter pulse widths. Designers must add external filtering to remove spurious signals with input pulse duration < 20 ns, if desired.
