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TMD2672 Datasheet(PDF) 6 Page - ams AG

Part # TMD2672
Description  DIGITAL PROXIMITY DETECTOR
PDF  29 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

TMD2672 Datasheet(HTML) 6 Page - ams AG

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TMD2672
DIGITAL PROXIMITY DETECTOR
TAOS149C − AUGUST 2012
5
The LUMENOLOGY
r Company
r
r
Copyright
E 2012, TAOS Inc.
www.taosinc.com
IR LED Characteristics, VDD = 3 V, TA = 255C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VF
Forward Voltage
IF = 20 mA
1.4
1.5
V
VR
Reverse Voltage
IR = 10 μA
5
V
PO
Radiant Power
IF = 20 mA
4.5
mW
λp
Peak Wavelength
IF = 20 mA
850
nm
Δλ
Spectral Radiation Bandwidth
IF = 20 mA
40
nm
TR
Optical Rise Time
IF = 100 mA, TW = 125 ns, duty cycle = 25%
20
40
ns
TF
Optical Fall Time
IF = 100 mA, TW = 125 ns, duty cycle = 25%
20
40
ns
Wait Characteristics, VDD = 3 V, TA = 255C, WEN = 1 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Wait time
WTIME = 0xFF (= 1 wait step)
2.73
2.9
ms
Wait steps
1
256
steps
AC Electrical Characteristics, VDD = 3 V, TA = 255C (unless otherwise noted)
PARAMETER†
TEST CONDITIONS
MIN
TYP
MAX
UNIT
f(SCL)
Clock frequency (I2C only)
0
400
kHz
t(BUF)
Bus free time between start and stop condition
1.3
μs
t(HDSTA)
Hold time after (repeated) start condition. After
this period, the first clock is generated.
0.6
μs
t(SUSTA)
Repeated start condition setup time
0.6
μs
t(SUSTO)
Stop condition setup time
0.6
μs
t(HDDAT)
Data hold time
0
μs
t(SUDAT)
Data setup time
100
ns
t(LOW)
SCL clock low period
1.3
μs
t(HIGH)
SCL clock high period
0.6
μs
tF
Clock/data fall time
300
ns
tR
Clock/data rise time
300
ns
Ci
Input pin capacitance
10
pF
† Specified by design and characterization; not production tested.



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