VEML6070 Datasheet, PDF (2/13 Pages) Vishay Siliconix – UVA Light Sensor with I2C Interface

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VEML6070
Vishay Semiconductors
RECOMMENDED OPERATING CONDITIONS (T_amb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
SYMBOL
MIN.
MAX.
Supply voltage
Operation temperature range
I²C bus operating frequency
V_DD
2.7
5.5
T_amb
-40
+85
f_(I2CCLK)
10
400
UNIT
V
°C
kHz
PIN DESCRIPTIONS
PIN ASSIGNMENT
1
2
3
4
5
6
BLOCK DIAGRAM
SYMBOL
GND
ACK
SDA
RSET
SCL
V_DD
TYPE
I
O (open drain)
I / O (open drain)
I
I
FUNCTION
Power supply ground, all voltage are reference to GND
Acknowledge pin
I²C digital serial data output to the host
Light reading adjustment, connect a resistor to GND
I²C digital serial clock input from the host
Supply voltage
GND 1
ACK 2
SDA 3
VEML6070
Temperature
sensor
UV-PD
Low pass
filter
Timing
controller
Oscillator
6 V_DD
5 SCL
4 RSET
BASIC CHARACTERISTICS (T_amb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
SYMBOL
MIN.
Supply operation voltage
V_DD
2.7
Supply current
R_SET = 240 kΩ ⁽¹⁾⁽²⁾
I_DD
-
I²C signal input
Logic high
(1)(2)
Logic low
V_IH
1.5
V_IL
-
Peak sensitivity wavelength
λ_p
-
Range of spectral sensitivity
λ_0.1
320
UVA sensitivity
R_SET = 240 kΩ, IT = 1T ⁽³⁾
-
Maximum UVA detection power
R_SET = 240 kΩ, IT = 1T ⁽³⁾
-
Dark offset
R_SET = 240 kΩ, IT = 1T ⁽³⁾
0
Output offset
R_SET = 240 kΩ, IT = 1T ⁽¹⁾⁽⁴⁾
-
Shutdown current
Light condition = dark ⁽¹⁾
I_DD
-
Notes
(1) _{Test condition: VDD = 3.3 V, temperature: 25°C}
(2) _{Light source: solar light source}
(3) _{Test using 365 nm UVA LED}
(4) _{Ambient light intensity = 500 lx}
TYP.
-
100
-
-
355
-
5
-
1
2
1
MAX.
5.5
250
V_DD
0.8
-
410
-
328
5
-
15
UNIT
V
μA
V
nm
nm
μW/cm²/step
mW/cm²
steps
steps
μA
Rev. 1.7, 05-Dec-16
2
Document Number: 84277
For technical questions, contact: [e-mail]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000