AMIS-74980X Datasheet, PDF (2/2 Pages) AMI SEMICONDUCTOR – Ambient Light Sensor

Block Diagram
Typical Applications
• PDA and handheld displays
• Cellular phone displays
• LCD monitors
• TV screens
• Large format LED displays
Terminal Functions
• Automotive
- In-car entertainment systems (video)
- GPS displays
- Headlamps
- Rearview mirrors
- Dashboards
Analog output:
Name Pin #
GND 1
Type Description
Power supply ground. All voltages
are referenced to GND.
Data 3
VDD
2
O Current output
Supply voltage
Operating Characteristics
Digital (SMBus or I²C) output:
Name Pin #
GND 4
CLK 5
Data 8
VDD
1
Type Description
Power supply ground. All voltages
are referenced to GND.
I
Serial clock input terminal - clock
signal for I²C or SMBus serial data
IO
Serial data IO terminal - serial IO
I²C or SMBus serial data
Supply voltage
Analog output:
Digital (SMBus or I²C) output:
Supply voltage
Operating temperature
Output current at:
Ev = 1000lux,
λp = 550nm
Dark current at:
Ev = 0lux,
Temp = 25°C
Typical
3.3V ± 10%
0 - 70°
10, 100, 250, 500,
or 1000
Units
V
C
uA
0.12
nA
Supply voltage
Operating temperature
Operating frequency
Active current
Output counts at:
Ev = 1000lux,
λp = 550nm
Output counts at:
Ev = 0lux,
Temp = 25°C
Typical
3.3V ± 10%
0 - 70°
10 - 100 or up to
400kHz (I²C)
0.35
65536
1
Contact your local sales office at www.amis.com/sales for more information.
Units
V
C
kHz
mA
counts
counts
AMI Semiconductor
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