TSL4531
DIGITAL AMBIENT LIGHT SENSOR
TAOS112 − OCTOBER 2011
AC Electrical Characteristics, V
DD
= 2.5 V, T
A
= 255C (unless otherwise noted)
PARAMETER
†
f
(SCL)
t
(BUF)
t
(HDSTA)
t
(SUSTA)
t
(SUSTO)
t
(HDDAT)
t
(SUDAT)
t
(LOW)
t
(HIGH)
t
(TIMEOUT)
t
F
t
R
C
i
†
TEST CONDITIONS
MIN
4.7
4
4.7
4
300
250
4.7
4
25
TYP
MAX
400
UNIT
kHz
μs
μs
μs
μs
ns
ns
μs
μs
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
SCL clock low period
SCL clock high period
Detect clock/data low timeout
Clock/data fall time
Clock/data rise time
Input pin capacitance
35
300
1000
10
ms
ns
ns
pF
Specified by design and characterization — not production tested.
PARAMETER MEASUREMENT INFORMATION
t
(LOW)
t
(R)
t
(F)
SCL
V
IH
V
IL
t
(HDSTA)
t
(HIGH)
t
(SUSTA)
t
(SUDAT)
t
(SUSTO)
t
(BUF)
t
(HDDAT)
V
IH
V
IL
SDA
P
Stop
Condition
S
Start
Condition
S
P
Figure 1. Timing Diagrams
Copyright
E
2011, TAOS Inc.
r
r
The
LUMENOLOGY
r
Company
4
www.taosinc.com
TAOS [ TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS ]
