TSL237T: High-Performance Light-to-Frequency Converter for Precision Optical Sensing

The TSL237T is a precision light-to-frequency converter manufactured by ams OSRAM (Austria/Switzerland), designed to convert light intensity into a frequency signal that is easy to measure with microcontrollers and digital logic. With excellent spectral response, low noise, and a wide dynamic range, the TSL237T has become a standard choice for optical sensing in embedded, industrial, and consumer applications.

 

Key Technical Specifications

• Sensor Type: Light-to-Frequency Converter
• Spectral Response: 350 nm to 1050 nm (wideband visible to near-IR)
• Output: Frequency proportional to light intensity
• Supply Voltage: 2.7 V to 5.5 V
• Output Logic: CMOS compatible
• Dynamic Range: Very wide optical range (from low lux to bright light)
• Response Time: Fast light-to-frequency conversion
• Package: TO-92 or leaded SIP
• Operating Temperature: –40°C to +85°C

Core Features & Benefits

✔ Wide Spectral Response——The TSL237T supports a broad range of light wavelengths (350–1050 nm), enabling use in both visible and near-IR light measurement applications.

✔ Direct Frequency Output——Instead of an analog voltage, the device outputs a frequency proportional to light intensity, simplifying interface with microcontrollers and digital systems — no ADC required.

✔ Low Power Operation——Operates with low current consumption, ideal for battery-powered or energy-efficient designs.

✔ CMOS Logic Compatibility——The digital frequency output directly interfaces with standard microcontroller GPIOs or timers.

✔ Robust and Compact Packaging——The TO-92 style package allows easy prototyping and straightforward PCB implementation in compact systems.

✔ Wide Operational Temperature——Industrial temperature support ensures stable performance in harsh and outdoor environments.

 

Typical Application Scenarios

The TSL237T is widely used wherever accurate light measurement is required:

1. 🌞 Ambient Light Sensing
2. 📡 Optical Measurement & Control
3. 📊 Environmental & Smart Sensors
4. 📷 Imaging & Presence Detection
5. ⚡ Energy & Solar Monitoring

Why Choose Sunether for TSL237T?

At Sunether, we understand that sourcing reliable, authentic components is just as important as the part itself. For sensors like the TSL237T, Sunether provides unmatched advantages:

1. 📦 Ready Inventory——We maintain in-stock inventory of TSL237T, allowing for immediate shipment — essential for urgent production runs and prototyping.
2. 💲 Competitive Global Pricing——Our strong supplier network across Europe, North America, and Asia enables Sunether to offer competitive pricing, helping reduce your project’s BOM cost.
3. 🚚 Fast & Reliable Delivery——With efficient logistics partners and strategic warehousing, Sunether offers same-day or next-day dispatch for in-stock orders — minimizing supply chain delays.
4. ✅ Authentic Parts & Quality Assurance——All supplied components are 100% original and traceable, verified through strict quality control procedures to ensure performance and reliability.

Partnering with Sunether ensures you benefit from ready stock, competitive pricing, rapid shipping, and expert support — making your design and production process smoother and more cost-efficient.

📩 Contact Sunether today to check real-time stock, request a quote, or get technical assistance for TSL237T and other optical sensing solutions.