RPM872 View Datasheet(PDF) - ROHM Semiconductor
Part Name
Description
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RPM872 Datasheet PDF : 7 Pages
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Photo Link Module
RPM872
zElectrical characteristics (Unless otherwise noted, VCC=3V, VLEDA=3V, VIO=3V, Ta=25°C)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Consumption Current 1
Consumption Current 2
Transmission rate
PWDOWN INPUT High Voltage
ICC1
ICC2
VPDH
−
−
2.4
2/3∗VIO
1.2
75
0.01
−
−
99
0.2
115.2
VIO
µA
µA
kbps
V
VPWDOWN = 0V. At no input light
VPWDOWN = VIO. At no input light
VIO = 1.8 to 3.6 [V]
VIO = 1.5 to 1.8 [V]
PWDOWN INPUT Low Voltage VPDL
0
PWDOWN INPUT High Current IPDH
−1.0
PWDOWN INPUT Low Current IPDL
−1.0
1/3∗VIO
VIO = 1.8 to 3.6 [V]
−
V
VIO−1.2
VIO = 1.5 to 1.8 [V]
0
1.0
µA PWDOWN = VIO [V]
0
1.0
µA PWDOWN = 0 [V]
<Transmitter>
TXD INPUT High Voltage
2/3∗VIO
VIO = 1.8 to 3.6 [V]
VTXH
−
VIO
V
1.2
VIO = 1.5 to 1.8 [V]
TXD INPUT Low Voltage
TXD INPUT High Current
VTXL
0
ITXH
2.5
1/3∗VIO
VIO = 1.8 to 3.6 [V]
−
V
VIO−1.2
VIO = 1.5 to 1.8 [V]
5
10
µA TXD = VIO [V]
TXD INPUT Low Current
LED ANODE Current
ITXL
−1.0
0
1.0
ILEDA
−
30.5
−
µA TXD = 0 [V]
mA
<Receiver>
RXD OUTPUT High Voltage
VRXH VIO−0.4 −
VIO
V IRXH = −200µA
RXD OUTPUT Low Voltage
VRXL
0
−
0.4
V IRXL = 200µA
RXD OUTPUT Rise Time
tRR
−
35
−
ns CL = 15pF
RXD OUTPUT Fall Time
tFR
−
35
−
ns CL = 15pF
RXD OUTPUT Pulse Width
twRXD
1.5
2.3
4.2
µs CL = 15pF, 2.4 to 115.2kbps
Receiver Latency Time
tRT
−
100
200
µs
zOptical characteristics (Unless otherwise noted, VCC=3V, VLEDA=3V, VIO=3V, Ta=25°C)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Peak wave length
λP
850
870
900
nm
Intensity 1
Half-Angle
IE1
4.0
10
26 mW / Sr −15˚ ≤ θL ≤ 15˚
θL / 2
−
±18
±30
deg
Optical pulse width
TWLED 1.42 1.63 2.02
µs TXD=1.63µs pulse input
Rise time / Fall time
Tr / Tf
−
−
100
ns 10% to 90%
Optical over shoot
−
−
25
%
Edge jitter
Tj
−40
−
40
ns
Minimum irradiance
Maximum irradiance
INPUT Half-Angular
Eemin
−
−
6.8 µW / cm2 −15deg ≤ θL ≤ +15deg
Eemax
500
−
− mW / cm2 −15deg ≤ θL ≤ +15deg
θD / 2
±15
−
−
deg
Maximum Emitting Time TLEDmax 16
48
120
µs TXD=VIO
1.This product is not designed for protection against radioactive rays.
2.This product dose not include laser transmitter.
3.This product includes one pin photo diode.
4.This product dose not include optical load.
Rev.B
4/6
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