TSL2550
AMBIENT LIGHT SENSOR
WITH SMBus INTERFACE
TAOS029L
−
OCTOBER 2007
AC Electrical Characteristics, V
DD
= 3.3 V, T
A
= 255C (unless otherwise noted)
PARAMETER
t
(CONV)
t
(CONV)
f
(SMBCLK)
t
(BUF)
t
(HDSTA)
t
(SUSTA)
t
(SUSTO)
t
(HDDAT)
t
(SUDAT)
t
(LOW)
t
(HIGH)
t
(TIMEOUT)
t
F
t
R
C
i
Conversion time, per channel, standard mode
Conversion time, per channel, extended mode
Clock frequency
Bus free time between start and stop condition
Hold time after (repeated) start condition. After
this period, the first clock is generated.
Repeated start condition setup time
Stop condition setup time
Data hold time
Data setup time
SMBCLK clock low period
SMBCLK clock high period
Detect clock/data low timeout
Clock/data fall time
Clock/data rise time
Input pin capacitance
4.7
4
4.7
4
300
250
4.7
4
25
35
300
1000
10
TEST CONDITIONS
MIN
TYP
400
80
100
MAX
UNIT
ms
ms
kHz
μs
μs
μs
μs
ns
ns
μs
μs
ms
ns
ns
pF
Copyright
E
2007, TAOS Inc.
r
r
The
LUMENOLOGY
r
Company
4
www.taosinc.com
TAOS [ TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS ]
