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Specifications
Mfr. Part #:
TSL25403
Package:
SMD-10P
Key Attributes
Model Number:
TSL25403
Product Description
Product Overview
The TSL2540 is a highly sensitive light-to-digital converter that accurately measures ambient light and provides a digital output via an IC interface. It features two output channels, a visible channel with UV/IR blocking and an IR channel with an IR pass filter, each producing a 16-bit output. This allows for precise illuminance calculations to control display backlights. Its integrated optical solution, programmable gain and integration time, and low power consumption make it ideal for various applications.
Product Attributes
- Brand: ams OSRAM
- Product Type: ALS, Light-to-Digital Sensor
Technical Specifications
| Parameter | Min | Typ | Max | Units | Description |
| Absolute Maximum Ratings | |||||
| VDD Supply voltage | -0.3 | 2.2 | V | All voltages are with respect to GND | |
| VIO Digital I/O terminal voltage | -0.3 | 3.6 | V | ||
| Iout Output terminal current | -1 | 20 | mA | INT and SDA | |
| Tstrg Storage temperature range | -40 | 85 | C | ||
| ISCR Input current (latch up immunity) | 100 | mA | Class II JEDEC JESD78D | ||
| ESD HBM Electrostatic discharge | 2000 | V | JS-001-2014 | ||
| ESD CDM Electrostatic discharge | 500 | V | JEDEC JESD22-C101F | ||
| Electrical Characteristics | |||||
| VDD Supply voltage | 1.7 | 1.8 | 2.0 | V | |
| Supply voltage accuracy, VDD total error including transients | -3 | 3 | % | ||
| TA Operating free-air temperature | -30 | 85 | C | Specifications are stated at 25C unless otherwise noted. | |
| fOSC Oscillator frequency | 8.107 | MHz | |||
| IDD Supply current Active ALS State (PON=AEN=1) | 50 | 150 | A | Integration current. Lower current during Wait period if WEN=1. | |
| IDD Supply current Idle State (PON=1, AEN=0) | 30 | 60 | A | ||
| IDD Supply current Sleep State | 0.7 | 5 | A | ||
| VOL INT, SDA output low voltage | 0.6 | V | 6mA sink current | ||
| ILEAK Leakage current, INT, SCL and SDA | -5 | 5 | A | ||
| VIH SCL, SDA input high voltage | 1.26 | V | Tolerant to 3.4V | ||
| VIL SCL, SDA input low voltage | 0.54 | V | Tolerant to 3.4V | ||
| TActive Time from power-on to ready to receive IC commands | 1.5 | ms | |||
| Typical Operating Characteristics | |||||
| Integration time step size | 2.68 | 2.78 | 2.90 | ms | |
| Number of integration steps | 1 | 256 | steps | ||
| Dark ADC count value (Ee = 0 W/cm2; AGAIN = 64x; ATIME = 100ms) | 0 | 1 | 3 | counts | |
| Re Irradiance responsivity Visible Channel (White LED, 2700K; AGAIN = 16x ATIME = 400ms) | 309 | 417 | counts/ (W/cm2) | ||
| Re Irradiance responsivity IR Channel (D = 950 nm LED; AGAIN = 16x ATIME = 400ms) | 352 | counts/ (W/cm2) | |||
| Gain scaling, relative to 1x gain setting (AGAIN = 4x) | 4 | x | |||
| Gain scaling, relative to 1x gain setting (AGAIN = 16x) | 16 | x | |||
| Gain scaling, relative to 1x gain setting (AGAIN = 64x) | 67 | x | |||
| Gain scaling, relative to 1x gain setting (AGAIN = 128x) | 140 | x | |||
| ADC noise (AGAIN = 16x) | 0.005 | % full scale | |||
2404151034_AMS-TSL25403_C478455.pdf
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