TCS3400 Color Light-to-Digital Converter
The TCS3400 is a versatile device designed for color and IR light sensing, providing accurate lux and color temperature measurements. It enables dynamic adjustment of backlight intensity and correction of display color gamut. The device also facilitates light source type detection by reporting the IR content of the light. Key benefits include an integrated optical solution, RGBC and ALS support, power management features, and a wide 1,000,000:1 dynamic range. Its circular segmented RGBC photodiode offers equal response to 360-degree incident light, making it ideal for operation behind dark glass and capable of detecting various light sources.
Product Attributes
- Brand: ams
- Product Name: TCS3400 Color Light-to-Digital Converter
Technical Specifications
| Parameter | Min | Typ | Max | Units | Conditions |
| Electrical Characteristics | |||||
| Supply voltage, VDD | 2.7 | 3 | 3.6 | V | |
| Operating free-air temperature | -40 | 70 | C | (1) | |
| Supply current (Active) | 235 | 330 | A | ||
| Supply current (Wait state) | 60 | A | |||
| Supply current (Sleep state) | 1.0 | 10 | A | no IC activity | |
| INT, SDA output low voltage | 0 | 0.4 | V | 3 mA sink current | |
| INT, SDA output low voltage | 0 | 0.6 | V | 6 mA sink current | |
| Leakage current, SDA, SCL, INT pins | -5 | 5 | A | ||
| SCL, SDA input high voltage | 0.7 VDD | V | TCS34001, TCS34005 | ||
| SCL, SDA input high voltage | 1.26 | V | TCS34003, TCS34007 | ||
| SCL, SDA input low voltage | 0.3 VDD | V | TCS34001, TCS34005 | ||
| SCL, SDA input low voltage | 0.54 | V | TCS34003, TCS34007 | ||
| Optical Characteristics (Clear Channel) | |||||
| Irradiance Responsivity (Clear Channel) - White LED, CCT = 2700K(1) | 11.2 | 14.0 | 16.8 | counts/ (W/cm2) | VDD = 3V, TA = 25C, AGAIN = 16x, ATIME = 0xF6 (27.8ms) |
| Irradiance Responsivity (Clear Channel) - Blue LED, D = 465 nm(2) | 9.5 | 11.8 | 14.2 | counts/ (W/cm2) | VDD = 3V, TA = 25C, AGAIN = 16x, ATIME = 0xF6 (27.8ms) |
| Irradiance Responsivity (Clear Channel) - Green LED, D = 525 nm(3) | 11.6 | 14.5 | 17.4 | counts/ (W/cm2) | VDD = 3V, TA = 25C, AGAIN = 16x, ATIME = 0xF6 (27.8ms) |
| Irradiance Responsivity (Clear Channel) - Red LED, D = 615 nm(4) | 13.6 | 17.0 | 20.4 | counts/ (W/cm2) | VDD = 3V, TA = 25C, AGAIN = 16x, ATIME = 0xF6 (27.8ms) |
| Optical Characteristics (IR Channel) | |||||
| Irradiance Responsivity (IR Channel) - P = 850 nm(1) | 10.0 | 13.3 | 16.6 | counts/ (W/cm2) | VDD = 3V, TA = 25C, AGAIN = 16x, ATIME = 0xF6 (27.8ms) |
| RGBC Characteristics | |||||
| Dark ADC count value (Clear and RGB Channels) | 0 | 1 | 4 | counts | Ee = 0, AGAIN = 64x, ATIME = 0xB8 (200ms) |
| Dark ADC count value (IR Channel) | 0 | 1 | 6 | counts | Ee = 0, AGAIN = 64x, ATIME = 0xB8 (200ms) |
| Integration time step size | 2.65 | 2.78 | 2.93 | ms | |
| Number of integration steps | 1 | 256 | steps | ||
| ADC count value | 0 | 1024 | counts/ step | ATIME = 0xFF (2.78ms) to 0xC1 (175ms) (1 to 63 steps) | |
| ADC count value | 0 | 65535 | counts | ATIME = 0xC0 (178ms) to 0x00 (712ms) (64 to 256 steps) | |
| Gain scaling, relative to 16 gain setting (1x) | 0.936 | 0.985 | 1.065 | AGAIN = 00 | |
| Gain scaling, relative to 16 gain setting (4x) | 3.66 | 3.85 | 4.16 | AGAIN = 01 | |
| Gain scaling, relative to 16 gain setting (16x) | 16.0 | AGAIN = 10 | |||
| Gain scaling, relative to 16 gain setting (64x) | 59.6 | 62.7 | 67.8 | AGAIN = 11 | |
| Timing Characteristics | |||||
| Clock frequency (IC only) | 0 | 400 | kHz | ||
| Bus free time between start and stop condition | 1.3 | s | |||
| Hold time after (repeated) start condition | 0.6 | s | After this period, the first clock is generated. | ||
| Repeated start condition setup time | 0.6 | s | |||
| Stop condition setup time | 0.6 | s | |||
| Data hold time | 60 | ns | |||
| Data setup time | 100 | ns | |||
| SCL clock low period | 1.3 | s | |||
| SCL clock high period | 0.6 | s | |||
| Clock/data fall time | 300 | ns | |||
| Clock/data rise time | 300 | ns | |||
| Input pin capacitance | 10 | pF | |||
2410122001_AMS-TCS34001FNM_C2153593.pdf
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