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PDF VEML7700 Data sheet ( Hoja de datos )
| Número de pieza | VEML7700 | |
| Descripción | High Accuracy Ambient Light Sensor | |
| Fabricantes | Vishay | |
| Logotipo |  |
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www.vishay.com
VEML7700
Vishay Semiconductors
High Accuracy Ambient Light Sensor with I2C Interface
4
3
2
1
Pinning
1: SCL
2: VDD
3: GND
4: SDA
DESCRIPTION
VEML7700 is a high accuracy ambient light digital 16-bit
resolution sensor in a miniature transparent 6.8 mm x
3.0 mm x 2.5 mm package. It includes a high sensitive photo
diode, a low noise amplifier, a 16-bit A/D converter and
supports an easy to use I2C bus communication interface.
The ambient light result is as digital value available.
FEATURES
• Package type: surface mount
• Package form: side view
• Dimensions (L x W x H in mm): 6.8 x 2.35 x 3
• Integrated modules: ambient light sensor (ALS)
• Supply voltage range VDD: 2.5 V to 3.6 V
• Communication via I2C interface
• Floor life: 72 h, MSL 4, according to J-STD-020
• Low shut down current consumption: typ. 0.5 μA
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
AMBIENT LIGHT FUNCTION
• FiltronTM technology adaption: close to real human eye
response
• O-TrimTM technology adoption: ALS output tolerance
≤ 10 %
• 16-bit dynamic range for ambient light detection from
0 lx to about 167 klx with resolution down to 0.005 lx/ct,
supports low transmittance (dark) lens design
• 100 Hz and 120 Hz flicker noise rejection
• Excellent temperature compensation
• High dynamic detection resolution
• Software shutdown mode control
APPLICATIONS
• Ambient light sensor for backlight dimming of e.g. TV
displays, smart phones, touch phones, PDA, GPS
• Ambient light sensor for industrial on- / off-lighting
operation
• Optical switch for consumer, computing, and industrial
devices and displays
PRODUCT SUMMARY
PART NUMBER
OPERATING
RANGE
(mm)
VEML7700
n/a
OPERATING
VOLTAGE
RANGE
(V)
2.5 to 3.6
I2C BUS
VOLTAGE
RANGE
(V)
1.7 to 3.6
AMBIENT
LIGHT RANGE
(lx)
0 to 167 000
AMBIENT
LIGHT
RESOLUTION
(lx)
0.005
OUTPUT
CODE
ADC RESOLUTION
PROXIMITY /
AMBIENT LIGHT
16 bit, I2C
- / 0.005
ORDERING INFORMATION
ORDERING CODE
VEML7700-TR
VEML7700-TT
Note
(1) MOQ: minimum order quantity
PACKAGING
Tape and reel
Tape and reel
VOLUME (1)
MOQ: 2300 (MOQ is one reel)
MOQ: 2200 (MOQ is one reel)
REMARKS
Side view
Top view
Rev. 1.0, 19-Nov-15
1 Document Number: 84286
For technical questions, contact: [email protected]
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
1 page  
www.vishay.com
VEML7700
Vishay Semiconductors
Interrupt pin not available for VEML7700
COMMAND REGISTER FORMAT
COMMAND CODE
REGISTER NAME
BIT
FUNCTION / DESCRIPTION
00
reserved
15 : 13 Set 000b
ALS_SM
12 : 11
Sensitivity mode selection
00 = ALS sensitivity x 1
01 = ALS sensitivity x 2
10 = ALS sensitivity x (1/8)
11 = ALS sensitivity x (1/4)
reserved
10 Set 0b
ALS_IT
ALS integration time setting
1100 = 25 ms
1000 = 50 ms
9 : 6 0000 = 100 ms
0001 = 200 ms
0010 = 400 ms
0011 = 800 ms
ALS_PERS
ALS persistence protect number setting
00 = 1
5 : 4 01 = 2
10 = 4
11 = 8
reserved
3 : 2 Set 00b
ALS_INT_EN
ALS interrupt enable setting
1 0 = ALS INT disable
1 = ALS INT enable
ALS_SD
ALS shut down setting
0 0 = ALS power on
1 = ALS shut down
15 : 8 ALS high threshold window setting (MSB)
01 ALS_WH
7 : 0 ALS high threshold window setting (LSB)
15 : 8 ALS low threshold window setting (MSB)
02 ALS_WL
7 : 0 ALS low threshold window setting (LSB)
03
reserved
15 : 3 set 0000 0000 0000 0b
PSM
Power saving mode; see table “Refresh time”
00 = mode 1
2 : 1 01 = mode 2
10 = mode 3
11 = mode 4
PSM_EN
Power saving mode enable setting
0 0 = disable
1 = enable
15 : 8 MSB 8 bits data of whole ALS 16 bits
04 ALS
7 : 0 LSB 8 bits data of whole ALS 16 bits
15 : 8 MSB 8 bits data of whole WHITE 16 bits
05 WHITE
7 : 0 LSB 8 bits data of whole WHITE 16 bits
ALS_IF_L
15 ALS crossing low threshold INT trigger event
06
ALS_IF_H
14 ALS crossing high threshold INT trigger event
reserved
13 : 0
Note
• Command code 0 default value is 01 = devices is shut down
R/W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
R
R
R
R
R
R
Rev. 1.0, 19-Nov-15
5 Document Number: 84286
For technical questions, contact: [email protected]
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
5 Page 
www.vishay.com
REEL DIMENSIONS in millimeters
VEML7700
Vishay Semiconductors
16734
LEADER AND TRAILER DIMENSIONS in millimeters
Trailer
no devices
devices
End
min. 200
Leader
no devices
min. 400
Start
96 11818
Rev. 1.0, 19-Nov-15
11 Document Number: 84286
For technical questions, contact: [email protected]
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
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet VEML7700.PDF ] | |
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