RPM971-H14E3A Rohm Semiconductor, RPM971-H14E3A Datasheet - Page 4
RPM971-H14E3A
Manufacturer Part Number
RPM971-H14E3A
Description
Fiber Optic Transmitters, Receivers, Transceivers IRDA IR COMM SIDE VIEW W/SHIELD
Manufacturer
Rohm Semiconductor
Datasheet
1.RPM971-H14E3A.pdf
(9 pages)
Specifications of RPM971-H14E3A
Product
Transceiver
Data Rate
4 Mbps
Wavelength
870 nm
Maximum Rise Time
20 ns
Maximum Fall Time
20 ns
Pulse Width Distortion
2.3 us
Operating Supply Voltage
2.4 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 25 C
Idle Current, Typ @ 25° C
1mA
Link Range, Low Power
20cm, 60cm
Operating Temperature
-25°C ~ 85°C
Orientation
Side View
Shutdown
*
Size
8mm x 2.9mm x 2.2mm
Standards
IrPHY 1.4
Supply Voltage
2.4 V ~ 3.6 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
RPM971-H14E3A
Manufacturer:
ROHM
Quantity:
24 000
Photo Link Module
PWDOWN
Timing chart
(a) FIR Mode
1. Mode Setting (SIR / MIR / FIR)
2. Timing chart (use example)
(a) Emitting
/ Mode
Mode
TXD
With RPM971-H14 there is a need for mode switch according to communication rate. For the mode setting, there
are “PWDOWN/Mode” and “TXD”. Please see below diagram for the set up of mode.
When a pulse is inputted to TXD terminal, LED is emitting, and a signal is transmitted.
But, when “H” condition follows TXD terminal, LED turns off the lights in the range of TLEDmax.
LED emitting
TXD
PWDOWN
ts 200ns
= >
less than TLEDmax
ts 200ns
= >
tdmax=200µs
FIR Mode
(4Mbps)
more than TLEDmax
TLEDmax
Fig. 1
PWDOWN
(b) SIR / MIR Mode
/ Mode
Mode
TXD
ts 200ns
= >
ts 200ns
= >
tdmax=200µs
RPM971-H14
SIR / MIR Mode
(9.6k-1.152Mbps)
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