DAC 2 I2C Unit (GP8413)
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DAC 2 I2C Unit (GP8413)
DAC2 Unit is an I2C digital-to-analog signal conversion unit. It utilizes the GP8413 solution, which provides high precision and accuracy in its performance. This chip can linearly convert a 15-bit digital value into two independent analog voltages of 0-5V or 0-10V. The output voltage error is only 0.2%, and it achieves linearity of up to 0.01%.
In terms of scalability, the circuit design supports a 3-bit hardware address, allowing up to 8 devices to be connected and operated simultaneously. The DAC2 Unit also incorporates safety features such as output short-circuit protection. When there is a short circuit between the output pins and ground, it automatically enters a protection mode, ceasing the output to prevent damage.
DAC2 Unit finds applications in various fields, including general signal conversion, motor speed control, LED dimming, inverters, power supplies, and industrial analog signal isolation. It provides a reliable solution for converting digital signals to analog, offering high precision, reliability, and expandability.
Features
- I2C communication (default address 0x59)
- Supports multiple parallel connections
- Short-circuit protection
- High precision, small error
Includes
- 1x DAC2 Unit
- 1x VH3.96-4P
- 1x Sticker
Applications
- Universal signal conversion
- Motor speed regulation, LED dimming
- Inverter, power supply
- Industrial analog signal isolation
Specification
| DAC Chip | GP8413 |
| Rresolution Ratio | 15Bit |
| I2C Serial Communication | 0x59 (default) |
| Maximum Output Voltage | 10V |
| Output Voltage Error | <0.2% |
| Output Voltage Linearity error | 0.01% |
| Operating Temperature | 0-40°C |
| Product Size | 32* 24* 10.2mm |
| Package Size | 136* 92* 13.7mm |
| Product Weight | 5g |
| Package Weight | 13.3g |
Effective Date: March 27, 2025
At OpenELAB, we are committed to providing accurate product descriptions and delivering high-quality products. If you experience any issues with your purchase, please notify us within 60 days of the shipment date.
1. Warranty Disclaimer
Unless explicitly stated in a specific agreement or purchase order, OpenELAB makes no warranties—express or implied—regarding the fitness, suitability, or merchantability of any product for a particular purpose or special use.
2. Warranty Policy
Warranty Period
The standard warranty period for products sold by OpenELAB is 12 months from the date of delivery.
Under this warranty, OpenELAB will make a reasonable effort to repair or replace products free of charge if defects are due to issues with raw materials, design, or manufacturing.
If the defect qualifies under this policy but falls outside the covered scope, reasonable charges may apply for repair or replacement.
After the warranty period, support may still be available at a reasonable fee.
Warranty Exclusions
The warranty does not apply in the following cases:
- The product is beyond the 12-month warranty period.
- Damage due to misuse, improper maintenance or storage, or failure to follow the user guide or manual.
- Issues caused by Force Majeure events (e.g., natural disasters, war, legal changes, etc.).
- Unauthorized repair attempts by the customer.
- The product is not defective but has been opened and is non-returnable by policy.
3. Returns & Refunds
If you're not satisfied with your purchase, you may be eligible for a return or exchange:
- Return for Refund: Within 15 days of receipt (unopened).
- Return for Replacement: Within 30 days of receipt (damaged or defective).
- Exchange Window: Up to 30 days from receipt.
Please email us at info@openelab.io for a return authorization before sending anything back.
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- Items must be in original, clean, and mint condition with packaging intact.
- Returns of damaged, used, scratched, modified, or programmed items will not be accepted.
- Include the receipt, a brief note with your name, order number, and reason for return.
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- Customers are responsible for return shipping to our warehouses in Europe, the US, or China.
- Refunds may be subject to additional shipping fees unless the return is due to our error.
- A flat €8 shipping fee will be deducted for returned items that originally qualified for free shipping.
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For refunds processed through third-party platforms such as PayPal or Braintree, a standard 3.5% service fee may be deducted to cover payment processing costs.
