FEDL8511-05
Issue Date: March 08, 2013
ML8511
UV Sensor with Voltage Output
GENERAL DISCRIPTION
The ML8511 is a UV sensor, which is suitable for acquiring UV intensity indoors or outdoors. The ML8511 is
equipped with an internal amplifier, which converts photo-current to voltage depending on the UV intensity.
This unique feature offers an easy interface to external circuits such as ADC. In the power down mode, typical
standby current is 0.1A, thus enabling a longer battery life.
FEATURES
• Photodiode sensitive to UV-A and UV-B
• Embedded operational amplifier
• Analog voltage output
• Low supply current (300A typ.) and low standby current (0.1A typ.)
• Small and thin surface mount package (4.0mm x 3.7mm x 0.73mm, 12-pin ceramic QFN)
APPLICATIONS
• Smart phone, Watch, Weather station,Bicycle navigation, Accessary, Gaming
BLOCK DAIAGRAM
TP
9
V
DD
7
EN
4
Amplifier
8
OUT
UV Photo-
diode
ML8511
5
10
GND
TR
PIN CONFIGURATIONS
Pin
7
5
4
8
9
10
1,2,3, 6,11,12
Symbol
VDD
GND
EN
OUT
TP
TR
NC
I/O
PW
PW
I
O
I/O
I/O
-
Function
Supply voltage. Decouple this pin to ground with 0.1
F
capacitor.
Ground
Active high enable pin. (High: Active mode, Low: Standby mode)
Output (Low in power down or standby mode)
Test pin. Do not connect.
Internal reference voltage. Decouple this pin to ground with 1 nF
capacitor.
No Connection. Do not connect.
1/8
FEDL8511-05
ML8511
ABSOLUTE MAXIMUM RATINGS
Parameter
Supply Voltage
Input Voltage
Output Short Current
Power Dissipation
Storage Temperature
Symbol
V
DD
V
I
I
OS
P
D
T
stg
Condition
Ta=25
C
Ta=25
C
Ta=25
C
Ta=25
C
-
Rating
-0.3 to +4.6
-0.3 to +4.6
5
30
-30 to +85
unit
V
V
mA
mW
C
RECOMENTED OPERATION CONDITIONS
Parameter
Operating Voltage
Operating Temperature
Symbol
V
DD
Ta
Min.
2.7
-20
Typ.
3.3
-
Max.
3.6
70
unit
V
C
ELECTRO-OPTICAL CHARACTERISTICS
(V
DD
=+2.7V to +3.6V, Ta= -20C to +70C)
Parameter
Supply Current (active mode)
Supply Current (standby mode)
Input Voltage (High level)
Input Voltage (Low level)
High level input current
Low level input current
Wavelength of maximum sensitivity
Output Setup Time
Output Voltage (Shading) *
Output Voltage (10mW/cm at
p)
*
2
Symbol
I
DDA
I
DDS
V
IH
V
IL
I
IH
I
IL
p
T
SU
V
REF
V
O
Condition
V
EN
=V
DD
V
EN
=0
-
-
V
EN
=V
DD
V
EN
=0
Ta=25C
V
EN
=V
DD
Ta=25C,
V
EN
=V
DD
Ta=25C,
V
EN
=V
DD
Min.
-
-
V
DD
×
0.8
-0.2
-
-1
-
-
0.95
2.08
Typ.
300
0.1
-
-
-
-
365
-
1.0
2.2
Max.
500
1
V
DD
+ 0.3
0.72
1
-
-
1
1.05
2.32
unit
A
A
V
V
A
A
nm
ms
V
V
* Load resistance of OUT port is recommended more than 100 k.
3/8
FEDL8511-05
ML8511
TIMING CHART
Supply voltage and EN signal state should take one of the following procedures:
1. EN should be HIGH or LOW at the same time when V
DD
is applied.
2. EN should be HIGH or LOW while V
DD
is applied.
Output should be read after output voltage level becomes stable. Maximum time required until stable output
voltage reaches is 1 millisecond after EN goes HIGH.
V
DD
EN
T
SU
OUT
5/8
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
