TSL2561CL TAOS, TSL2561CL Datasheet - Page 25
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TSL2561CL
Manufacturer Part Number
TSL2561CL
Description
Light to Digital Converters Ambient Light Sensor Light to Digital
Manufacturer
TAOS
Datasheet
1.TSL2561T.pdf
(42 pages)
Specifications of TSL2561CL
Data Bus Width
20 bit
Peak Wavelength
640 nm, 940 nm
Maximum Operating Frequency
780 KHz
Operating Supply Voltage
2.7 V to 3.6 V
Operating Current
0.6 mA to 15 uA
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
- 30 C
Interface Type
I2C
Maximum Fall Time
300 ns
Maximum Rise Time
300 ns
Mounting Style
SMD/SMT
Resolution
16 bit
Package / Case
Chip LED
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
#define B2T
#define M2T
#define K3T
#define B3T
#define M3T
#define K4T
#define B4T
#define M4T
#define K5T
#define B5T
#define M5T
#define K6T
#define B6T
#define M6T
#define K7T
#define B7T
#define M7T
#define K8T
#define B8T
#define M8T
//−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−
// CS package coefficients
//−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−
// For 0 <= Ch1/Ch0 <= 0.52
//
//
//
//
//
//
//
//
//
//
// For 0.52 < Ch1/Ch0 <= 0.65
//
// For 0.65 < Ch1/Ch0 <= 0.80
//
// For 0.80 < Ch1/Ch0 <= 1.30
//
// For Ch1/Ch0 > 1.30
//
//−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−
#define K1C
#define B1C
#define M1C
#define K2C
#define B2C
#define M2C
#define K3C
#define B3C
#define M3C
The LUMENOLOGY r Company
Lux/Ch0 = 0.0229−0.0291*(Ch1/Ch0)
Lux/Ch0 = 0.00157−0.00180*(Ch1/Ch0)
Lux/Ch0 = 0.00338−0.00260*(Ch1/Ch0)
Lux = 0
0x0214
0x02d1
0x00c0
0x023f
0x037b
0x0100
0x0270
0x03fe
0x0138
0x016f
0x01fc
0x019a
0x00d2
0x00fb
0x029a
0x0018
0x0012
0x029a
0x0000
0x0000
Lux/Ch0 = 0.0315−0.0593*((Ch1/Ch0)^1.4)
piecewise approximation
0x0043 // 0.130 * 2^RATIO_SCALE
0x0204 // 0.0315 * 2^LUX_SCALE
0x01ad // 0.0262 * 2^LUX_SCALE
0x0085 // 0.260 * 2^RATIO_SCALE
0x0228 // 0.0337 * 2^LUX_SCALE
0x02c1 // 0.0430 * 2^LUX_SCALE
0x00c8 // 0.390 * 2^RATIO_SCALE
0x0253 // 0.0363 * 2^LUX_SCALE
0x0363 // 0.0529 * 2^LUX_SCALE
For 0 <= Ch1/Ch0 <= 0.13
For 0.13 <= Ch1/Ch0 <= 0.26
For 0.26 <= Ch1/Ch0 <= 0.39
For 0.39 <= Ch1/Ch0 <= 0.52
// 0.0325 * 2^LUX_SCALE
// 0.0440 * 2^LUX_SCALE
// 0.375 * 2^RATIO_SCALE
// 0.0351 * 2^LUX_SCALE
// 0.0544 * 2^LUX_SCALE
// 0.50 * 2^RATIO_SCALE
// 0.0381 * 2^LUX_SCALE
// 0.0624 * 2^LUX_SCALE
// 0.61 * 2^RATIO_SCALE
// 0.0224 * 2^LUX_SCALE
// 0.0310 * 2^LUX_SCALE
// 0.80 * 2^RATIO_SCALE
// 0.0128 * 2^LUX_SCALE
// 0.0153 * 2^LUX_SCALE
// 1.3 * 2^RATIO_SCALE
// 0.00146 * 2^LUX_SCALE
// 0.00112 * 2^LUX_SCALE
// 1.3 * 2^RATIO_SCALE
// 0.000 * 2^LUX_SCALE
// 0.000 * 2^LUX_SCALE
Lux/Ch0 = 0.0315−0.0262*(Ch1/Ch0)
Lux/Ch0 = 0.0337−0.0430*(Ch1/Ch0)
Lux/Ch0 = 0.0363−0.0529*(Ch1/Ch0)
Lux/Ch0 = 0.0392−0.0605*(Ch1/Ch0)
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LIGHT-TO-DIGITAL CONVERTER
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TSL2560, TSL2561
Copyright E 2009, TAOS Inc.
TAOS059N − MARCH 2009
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