Specifications
| Type | Description |
|---|---|
| Part Number | OPT4001 |
| Manufacturer | Texas Instruments |
| Product Type | SMD LED |
| Category | LED |
| Component Type | Sensor |
| Package / Case | PicoStar YMN 4-pin: 0.84 mm x 1.05 mm x 0.226 mm; SOT-5X3 DTS 8-pin: 1.9 mm x 2.1 mm x 0.6 mm |
| Sensor Function | Light-to-digital ambient light measurement; visible light intensity measurement |
| Interface | I2C and SMBus compatible two-wire serial interface; digital output reporting |
| Dynamic Range | 28 bits effective; automatic full-scale range selection |
| Measurement Range - PicoStar | 312.5 µlux to 83 klux |
| Measurement Range - SOT-5X3 | 437.5 µlux to 117 klux |
| Conversion Time Range | 600 µs to 800 ms; 12 configurable conversion-time settings |
| Operating Current | 30 µA; operating mode |
| Standby Current | 2 µA; ultra-low-power standby mode |
| Supply Voltage | 1.6 V to 3.6 V; recommended operating condition |
| I/O Voltage Tolerance | 5.5 V tolerant; I/O pins |
| Operating Temperature Range | -40°C to +85°C |
| Junction Temperature | -40°C min, 85°C max; recommended operating condition |
| Absolute Maximum VDD to GND | -0.5 V to 6 V; over operating free-air temperature range |
| Absolute Maximum SDA/SCL to GND | -0.5 V to 6 V; over operating free-air temperature range |
| Absolute Maximum Pin Current | 10 mA; current into any pin |
| Absolute Maximum Junction Temperature | 150°C |
| Storage Temperature | -65°C to 150°C |
| ESD HBM Rating | ±2000 V; human body model per ANSI/ESDA/JEDEC JS-001, all pins |
| ESD CDM Rating | ±500 V; charged device model per ANSI/ESDA/JEDEC JS-002, all pins |
| Thermal Resistance Junction-to-Ambient - PicoStar | 122.8°C/W; PicoStar YMN, 4 pins |
| Thermal Resistance Junction-to-Ambient - SOT-5X3 | 112.2°C/W; SOT-5X3 DTS, 8 pins |
| Thermal Resistance Junction-to-Case Top - PicoStar | 1.4°C/W; PicoStar YMN, 4 pins |
| Thermal Resistance Junction-to-Case Top - SOT-5X3 | 28.4°C/W; SOT-5X3 DTS, 8 pins |
| Thermal Resistance Junction-to-Board - PicoStar | 34.9°C/W; PicoStar YMN, 4 pins |
| Thermal Resistance Junction-to-Board - SOT-5X3 | 22.1°C/W; SOT-5X3 DTS, 8 pins |
| Junction-to-Top Characterization Parameter - PicoStar | 0.8°C/W; PicoStar YMN, 4 pins |
| Junction-to-Top Characterization Parameter - SOT-5X3 | 1.2°C/W; SOT-5X3 DTS, 8 pins |
| Junction-to-Board Characterization Parameter - PicoStar | 35.3°C/W; PicoStar YMN, 4 pins |
| Junction-to-Board Characterization Parameter - SOT-5X3 | 22°C/W; SOT-5X3 DTS, 8 pins |
| Resolution - PicoStar 800 ms | 312.5 µlux; lowest auto gain range |
| Resolution - PicoStar 100 ms | 2.5 mlux; lowest auto gain range |
| Full-Scale Illuminance - PicoStar | 83886 lux |
| Angular Response - PicoStar | 96° FWHM |
| Temperature Drift - PicoStar | 0.01 %/°C; visible light, input illuminance = 2000 lux |
| Linearity - PicoStar Above 328 lux | 2%; 100 ms conversion time, CONVERSION_TIME=0x8 |
| Linearity - PicoStar Below 328 lux | 5%; 100 ms conversion time, CONVERSION_TIME=0x8 |
| Resolution - SOT-5X3 800 ms | 437.5 µlux; lowest auto gain range |
| Resolution - SOT-5X3 100 ms | 3.5 mlux; lowest auto gain range |
| Full-Scale Illuminance - SOT-5X3 | 117441 lux |
| Angular Response - SOT-5X3 | 120° FWHM |
| Temperature Drift - SOT-5X3 | 0.015 %/°C; visible light, input illuminance = 2000 lux |
| Linearity - SOT-5X3 Above 459 lux | 2%; 100 ms conversion time, CONVERSION_TIME=0x8 |
| Linearity - SOT-5X3 Below 459 lux | 5%; 100 ms conversion time, CONVERSION_TIME=0x8 |
| Peak Spectral Responsivity Wavelength | 550 nm |
| Effective Mantissa Bits | 9 to 20 bits; register R_MSB and R_LSB, dependent on selected CONVERSION_TIME register setting |
| Exponent Bits | 4 bits; register E denotes full-scale range |
| Measurement Output Accuracy | 1800 lux min, 2000 lux typ, 2200 lux max; 2000 lux input |
| Minimum Selectable Conversion Time | 600 µs; CONVERSION_TIME=0x0, fixed lux range, 2000 lux input |
| Maximum Selectable Conversion Time | 800 ms; CONVERSION_TIME=0xB, fixed lux range, 2000 lux input |
| Light Source Variation | 4%; incandescent, halogen, and fluorescent sources; bare device, no cover glass |
| Infrared Response | 0.2%; 850 nm near infrared |
| Relative Accuracy Between Gain Ranges | 0.4% |
| Dark Measurement | 0 to 10 mlux |
| Power-Supply Rejection Ratio | 0.1 %/V; VDD at 3.6 V and 1.6 V |
| Datasheet Status | request_only |
Product Overview
Package support includes PicoStar YMN 4-pin and SOT-5X3 DTS 8-pin variants. The PicoStar version measures from 312.5 µlux to 83 klux, while the SOT-5X3 version measures from 437.5 µlux to 117 klux. Conversion time is configurable across 12 settings from 600 µs to 800 ms. The sensor operates from a 1.6 V to 3.6 V supply, with 5.5 V tolerant I/O pins, 30 µA operating current, and 2 µA standby current.
Key Features
- Light-to-digital ambient light measurement for visible intensity
- I2C and SMBus compatible two-wire serial interface
- 28-bit effective dynamic range with automatic range selection
- PicoStar range from 312.5 µlux to 83 klux
- SOT-5X3 range from 437.5 µlux to 117 klux
- Configurable conversion time from 600 µs to 800 ms
- 1.6 V to 3.6 V recommended supply range
- 30 µA operating current and 2 µA standby current
- 5.5 V tolerant I/O pins
- Peak spectral responsivity wavelength of 550 nm
Typical Applications
- Visible light intensity measurement
- Digital ambient light measurement
- I2C ambient light reporting
- SMBus light measurement nodes
- Low-power light sensing designs
Procurement Notes
When requesting a quote for OPT4001, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For LED and optoelectronic sourcing, brightness bin, wavelength or color temperature bin, forward voltage range, viewing angle, moisture sensitivity level and soldering process limits may affect final selection, availability and lead time.
FAQ
What measurement function does the OPT4001 provide?
The OPT4001 provides light-to-digital ambient light measurement for visible light intensity. Its measurement data is reported through an I2C and SMBus compatible two-wire serial interface.
What supply voltage range is specified for OPT4001?
The recommended operating supply voltage for the OPT4001 is 1.6 V to 3.6 V. The device also specifies 5.5 V tolerant I/O pins.
How do the OPT4001 package variants differ?
The PicoStar YMN 4-pin variant measures 312.5 µlux to 83 klux, while the SOT-5X3 DTS 8-pin variant measures 437.5 µlux to 117 klux. Their package dimensions and thermal characteristics also differ.
What conversion time settings are available on OPT4001?
The OPT4001 supports 12 configurable conversion-time settings. The selectable conversion time range extends from 600 µs at CONVERSION_TIME=0x0 to 800 ms at CONVERSION_TIME=0xB.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 20, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.