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Pololu I²C Isolator with Connectors, ISO1640
This module enables galvanically isolated bidirectional I²C communication between two devices. The bidirectionality applies to both SDA and SCL, which allows for clock stretching. Side 1 operates from 3 V to 5.5 V, and side 2 operates from 2.25 V to 5.5 V. This version has JST SH-style 4-pin connectors that are compatible with Qwiic and Stemma QT.
Alternatives available with variations in these parameter(s): connectors? isolated power transfer? Select variant…
| Description | Specs (9) | Pictures (11) | Resources (4) | FAQs (0) | On the blog (0) | Distributors (1) |
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Pololu I²C Isolator with Connectors, ISO1640. |
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Pololu I²C Isolator, ISO1640. |
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Pololu I²C Isolator with Connectors, ISO1640, connected with 4-pin JST SH-style cables (not included). |
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Pinout of the Pololu I²C Isolator with Connectors, ISO1640 (top and bottom views). |
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Pololu I²C Isolator with Connectors, ISO1640, with a cable connection to one side and a breadboard connection to the other (cable and headers not included). |
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Pololu I²C Isolator, ISO1640, on a breadboard (version without connectors shown, headers not included). |
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Pololu I²C Isolator, ISO1640. |
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Pololu I²C Isolator with Connectors, ISO1640. |
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The tightest clearance on the Pololu I²C Isolator ISO1640 is between these sets of pads, which are 2 mm apart. |
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Pololu I²C Isolator with Connectors, ISO1640, with dimensions and a US quarter for size reference. |
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Schematic diagram of the Pololu I²C Isolator, ISO1640. |
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Coupon Discount
I2CISOINTRO: Get one or more of #5390 Pololu I²C Isolator, ISO1640 and #5391 Pololu I²C Isolator with Connectors, ISO1640 at $3.49 (limit 5 per item). This offer expires after 100 uses. This offer is valid through 30 Apr 2025.
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