TMD2671
DIGITAL PROXIMITY DETECTOR
TAOS144B ? SEPTEMBER 2012
IR LED Characteristics, V DD = 3 V, T A = 25 5 C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V F
V R
P O
λ p
Δ λ
T R
T F
Forward Voltage
Reverse Voltage
Radiant Power
Peak Wavelength
Spectral Radiation Bandwidth
Optical Rise Time
Optical Fall Time
I F = 20 mA
I R = 10 μ A
I F = 20 mA
I F = 20 mA
I F = 20 mA
I F = 100 mA, T W = 125 ns, duty cycle = 25%
I F = 100 mA, T W = 125 ns, duty cycle = 25%
5
4.5
1.4
850
40
20
20
1.5
40
40
V
V
mW
nm
nm
ns
ns
Wait Characteristics, V DD = 3 V, T A = 25 5 C, WEN = 1 (unless otherwise noted)
PARAMETER
Wait step size
Wait number of integration steps
WTIME = 0xFF
TEST CONDITIONS
MIN
1
TYP
2.72
MAX
2.9
256
UNIT
ms
steps
AC Electrical Characteristics, V DD = 3 V, T A = 25 5 C (unless otherwise noted)
PARAMETER ?
TEST CONDITIONS
MIN
TYP
MAX
UNIT
f (SCL)
Clock frequency
(I 2 C
only)
0
400
kHz
t (BUF)
t (HDSTA)
t (SUSTA)
t (SUSTO)
t (HDDAT)
t (SUDAT)
t (LOW)
t (HIGH)
t F
t R
C i
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
Clock/data fall time
Clock/data rise time
Input pin capacitance
1.3
0.6
0.6
0.6
0
100
1.3
0.6
300
300
10
μ s
μ s
μ s
μ s
μ s
ns
μ s
μ s
ns
ns
pF
?
Specified by design and characterization; not production tested.
The LUMENOLOGY r Company
r
www.taosinc.com
r
Copyright E 2012, TAOS Inc.
5
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