TSL2561CL TAOS, TSL2561CL Datasheet - Page 25

• Manufacturer Part Number: TSL2561CL
• Description: Light to Digital Converters Ambient Light Sensor Light to Digital
• Manufacturer: TAOS

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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