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The ADUM1252AWA digital isolator provides two bidirectional open leak channels for applications that require bidirectional data transmission over the same line, such as I2C. To prevent latching behavior, the first side output contains a special buffer that adjusts the logic low-level voltage to 0.64V, and the input logic low-level threshold is at least 50mV lower than the output logic low-level voltage. The second side has a traditional buffer that does not adjust the logic low-level output voltage.

The ADuM1252 has a 1.71V to 5.5V independent power supply on both the first and second sides of the isolator. The device operates at frequencies up to 2MHz. Each side provides an ultra-low standby current of 21μA, ideal for battery powered systems.

Specifications:

Technology: Magnetic coupling

Type: CAN, I2C

Isolated power supply: None

Number of channels: 4

Input - Side 1/ side 2:2/2

Channel type: bidirectional

Voltage - isolation: 5000Vrms

Common-mode transient immunity (min) : 200kV/µs

Data rate: 2MHz

Propagation delay tpLH/tpHL (Max) : 50ns, 133.3ns

Pulse width distortion (Max) : 94.2ns

Rise/fall time (typical value) : -, 20.3ns

Voltage - Power supply: 1.71V ~ 5.5V

Grade: -

Qualification: -

Operating temperature: -40°C ~ 125°C

Mounting type: Surface mount type

Package/housing: 8-SOIC (0.295", 7.50mm wide)

Supplier device package: 8-SOIC

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