TSL2581CS TAOS, TSL2581CS Datasheet - Page 4

• Manufacturer Part Number: TSL2581CS
• Description: Light to Digital Converters Light to Digital 30x Sensitivity
• Manufacturer: TAOS

Specifications of TSL2581CS

• Data Bus Width: 16 bit
• Peak Wavelength: 625 nm, 850 nm
• Maximum Operating Frequency: 795 KHz
• Operating Supply Voltage: 2.7 V to 3.6 V
• Operating Current: 175 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: DFN-6
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TSL2580, TSL2581
LIGHT-TO-DIGITAL CONVERTER
TAOS098 − MARCH 2010
Electrical Characteristics over recommended operating free-air temperature range (unless
otherwise noted)
Operating Characteristics, V
NOTES: 1. Optical measurements are made using small-angle incident radiation from light-emitting diode optical sources. Visible 640 nm LEDs
4
Copyright E 2010, TAOS Inc.
I
I
V
V
I
f
R
R
DD
osc
LEAK
OL
e
Oscillator frequency
Dark ADC count value
Dark ADC count value
Full scale ADC count value
Full scale ADC count value
ADC count value
ADC count value
ADC count value ratio: Ch1/Ch0
ADC count value ratio: Ch1/Ch0
ADC count value ratio: Ch1/Ch0
Irradiance responsivity
Irradiance responsivity
Gain scaling (relative to 1
Gain scaling (relative to 1
Supply current
Supply current
INT SDA output low voltage
INT, SDA output low voltage
Leakage current
2. The 625 nm irradiance E
3. The 850 nm irradiance E
4. The integration time T
and infrared 850 nm LEDs are used for final product testing for compatibility with high-volume production.
λp = 625 nm and spectral halfwidth Δλ½ = 20 nm.
λp = 850 nm and spectral halfwidth Δλ½ = 42 nm.
Timing Register (0xFF) as described in the Register section. For nominal f
PARAMETER
PARAMETER
×)
×)
int
, is dependent on internal oscillator frequency (f
e
is supplied by an AlInGaP light-emitting diode with the following characteristics: peak wavelength
DD
e
is supplied by a light-emitting diode with the following characteristics: peak wavelength
= 3 V, T
E
E
gain = 16
ITIME
ITIME = 0xDB (100 ms)
ITIME
ITIME = 0x6C (400 ms)
λ
λ
E
λ
λ
E
λ
λ
λ
λ
λ
λ
λ
λ
8
8
16
16
111
111
p
p
p
p
p
p
p
p
×
×
e
e
e
e
×
×
= 625 nm, ITIME = 0xF6 (27 ms)
= 625 nm, ITIME = 0xF6 (27 ms)
= 850 nm, ITIME = 0xF6 (27 ms)
= 850 nm, ITIME = 0xF6 (27 ms)
= 625 nm
= 850 nm
= 625 nm, ITIME = 0xF6 (27 ms)
= 850 nm, ITIME = 0xF6 (27 ms)
r
= 0, ITIME = 0xB6 (200 ms),
= 0, ITIME = 0xB6 (200 ms),
= 171.6 μW/cm
= 220 μW/cm
×
×
625 nm
850 nm
625 nm ITIME
850 nm ITIME
A
0xDB (100 ms)
0x6C (400 ms)
TEST CONDITIONS
×
www.taosinc.com
= 255C, (unless otherwise noted) (Notes 1, 2, 3, and 4)
Active
Power down
3 mA sink current
6 mA sink current
2
, gain = 16
2
, gain = 16
0xF6 (27 ms)
0xF6 (27 ms)
TEST CONDITIONS
×
×
osc
) and on the number of integration cycles (ITIME) in the
osc
CHANNEL
= 750 kHz, nominal T
Ch0
Ch1
Ch0
Ch1
Ch0
Ch1
Ch0
Ch1
Ch0
Ch1
Ch0
Ch1
Ch0
Ch1
Ch0
Ch1
Ch0
Ch1
Ch0
Ch1
r
The LUMENOLOGY r Company
4000
4000
MIN
10 8
10.8
MIN
705
100
−5
41
41
15
15
97
0
0
0
0
7
7
int
TYP
5000
5000
2750
= 2.7 ms
TYP
15 8
15.8
29.1
22.8
12.5
175
750
700
107
115
55
55
16
16
3
1
1
4
8
8
37887
37887
65535
65535
MAX
MAX
6000
6000
250
20 8
20.8
0.4
0.6
×
795
125
115
10
68
68
17
17
5
ITIME.
5
5
9
9
counts/
UNIT
counts
counts
counts
counts
counts
counts
UNIT
(μW/
(μW/
cm
cm
μA
μA
μA
kHz
V
V
%
%
%
×
×
2
2
)
)