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| PartNumber | TSL257T | TSL257SM-LF | TSL2581CS |
| Description | Light To Frequency & Light To Voltage Light to Voltage Precision | Optical Sensors Light To Frequency & Light To Voltage Light to Voltage Converte | Optical Sensors Light to Digital Converters Light to Digital 30x Sensitivity |
| Manufacturer | ams | AMS-TAOS USA Inc. | AMS-TAOS USA Inc. |
| Product Category | Light To Frequency & Light To Voltage | Optical Sensors - Ambient Light, IR, UV Sensors | Optical Sensors - Ambient Light, IR, UV Sensors |
| RoHS | Y | - | - |
| Product | Light to Voltage Converters | Light to Voltage Converters | - |
| Peak Wavelength | 640 nm | 428 nm to 645 nm | 625 nm 850 nm |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Minimum Operating Temperature | 0 C | 0 C | - 30 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SMD-4 | - | - |
| Packaging | Reel | Digi-ReelR Alternate Packaging | Digi-ReelR Alternate Packaging |
| Brand | ams | - | - |
| Moisture Sensitive | Yes | - | - |
| Product Type | Optical Sensors | - | - |
| Factory Pack Quantity | 1000 | - | - |
| Subcategory | Sensors | - | - |
| Part # Aliases | 300370004 | - | - |
| Series | - | - | - |
| Type | - | Ambient | Ambient |
| Package Case | - | SIP-3 | DFN-6 |
| Operating Temperature | - | 0°C ~ 70°C | -30°C ~ 70°C |
| Mounting Type | - | Surface Mount, Right Angle | Surface Mount |
| Output Type | - | Voltage | I2C |
| Voltage Supply | - | 2.7 V ~ 5.5 V | 2.7 V ~ 3.6 V |
| Supplier Device Package | - | SMD | Chip |
| Proximity Detection | - | No | No |
| Wavelength | - | 470nm | 640nm |
| Operating Supply Voltage | - | 5 V | 3 V |
| Operating Supply Current | - | 1.9 mA | 175 uA |
| Resolution | - | - | 16 bit |
| Interface Type | - | - | I2C |
| Maximum Operating Frequency | - | - | 795 kHz |
| Data Bus Width | - | - | 16 bit |
| Maximum Fall Time | - | - | 300 ns |
| Maximum Rise Time | - | - | 300 ns |