TSL257-LF
Precision Light-to-Voltage Converter"TSL257-LF
Precision Light-to-Voltage Converter"
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Manufacturer Part # : TSL257-LF
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Package/Case: SIP-3
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Brand: Ams Osram
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Product Categories : Ambient Light, IR, UV Sensors
Quality Assurance
Quality Assurance
All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.






Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.








About Payment
We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.
If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.

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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

Example

Tape and Reel

Cut Tape

Tube or Tray
TSL257-LF DataSheet
Pricing (USD)
Quantity | Unit Price | Ext. Price |
---|---|---|
1 | $8.900 | $8.90 |
200 | $3.444 | $688.80 |
500 | $3.324 | $1,662.00 |
1000 | $3.263 | $3,263.00 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
Interested Parts
TSL257-LF Details
The TSL257-LF is a high-sensitivity light-to-voltage ambient light sensor from ams OSRAM, designed for a wide range of applications demanding accurate and reliable optical measurements. This device features programmable analog gain and integration time, making it suitable for use in various industries and environments.
Pinout
- 1 (CNV): Convert Output
- 2 (GND): Ground
- 3 (POS): Positive Power Supply
(Tip: For detailed pinout information, please refer to the corresponding datasheet.)
Key Features
- High Sensitivity for Low-Light Operation: Enabling reliable operation in low-light environments.
- Programmable Analog Gain and Integration Time: Allowing for customization to specific application requirements.
- Operating Temperature Range of -40°C to 85°C: Suitable for use in a wide range of applications and environments.
- Low Power Consumption: Energy-efficient design for power-sensitive applications.
- Small Package Size for Easy Integration: Ideal for compact circuit designs and space-limited systems.
- Linear Response over a Wide Dynamic Range: Providing accurate measurements across various lighting conditions.
Application
- Smartphones: Suitable for use in smartphones and mobile devices.
- Tablets: Ideal for use in tablets and other mobile devices.
- Laptops: Designed for use in laptops and notebook computers.
- Wearables: Suitable for integration into wearable devices like smartwatches and fitness trackers.
- Automotive Systems: Compatible with various automotive systems, including infotainment and driver assistance technologies.
How to Use
The TSL257-LF is designed for easy integration into your project. Simply connect the device according to the pinout diagram and provide power.
(Tip: For detailed usage instructions, please refer to the datasheet.)
Application Circuit
A sample application circuit diagram for the TSL257-LF illustrates how to connect the device to a microcontroller or other system.
(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)
Equivalents
- TSL2561-T7H1: A similar ambient light sensor from ams OSRAM with comparable features and specifications.
- BH1750FVI: Alternative ambient light sensor from Toshiba offering equivalent functionalities.
Complementary
The TSL257-LF can be complemented by the TSL2591-T7H0, which offers higher sensitivity and expanded wavelength range for more precise ambient light measurements.
(Tip: When selecting complementary components, ensure they align with your specific application requirements for optimal performance and compatibility.)
Frequently Asked Questions
Q: What is the maximum operating temperature of the TSL257-LF?
A: The TSL257-LF operates within a temperature range of -40°C to 85°C.
Q: Can the TSL257-LF measure ambient light intensity in different color channels?
A: Yes, the TSL257-LF is designed to measure ambient light intensity across multiple wavelength ranges (visible and infrared).

Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Product Category ! | Light To Frequency & Light To Voltage | RoHS | Details |
Product | Light to Voltage Converters | Peak Wavelength | 645 nm |
Maximum Operating Temperature ! | + 70 C | Minimum Operating Temperature | 0 C |
Mounting Style | Through Hole | Package / Case | SIP-3 |
Brand | ams OSRAM | Product Type ! | Optical Sensors |
Factory Pack Quantity | 500 | Subcategory | Sensors |
Part # Aliases | 300370003 | Unit Weight | 0.342157 oz |
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Price details
Prices listed do not include VAT.
Quantity | Unit Price |
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