RPM7236-H9R Rohm Semiconductor, RPM7236-H9R Datasheet - Page 18

• Manufacturer Part Number: RPM7236-H9R
• Description: RECEIVER REMOTE CTRL 36.0KHZ TOP
• Manufacturer: Rohm Semiconductor

Specifications of RPM7236-H9R

• Sensing Distance: 15m
• B.p.f. Center Frequency: 36.7kHz
• Voltage - Supply: 2.7 V ~ 3.6 V
• Current - Supply: 500µA
• Orientation: Top View
• Mounting Type: Through Hole
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Transmission
Receiving
• Transmission Pulse Width
• Countermeasure against Dispersion of Receiving Output Pulses
Specifications of output pulse width of Remote Control Receiver Module (Transmission pulse width: 600µs)
Transmission pulse width (ON/OFF): Both 200µs
Take the transmission pulse width as wide as possible (for both ON and OFF periods)
Transmission pulse
Receiving pulse
In the worst case, the dispersion pulse range of output may be 0 to 400µs
and no receiving may be possible.
600µs
T
ON
Fig. 15
600µs
1200
1000
T
800
600
400
200
OFF
Fig. 17 Output ON Pulse Width vs. Transmission Burst Length
0
0
of RPM7100-Hx/RPM7200-Hx
ON period OFF period
A dispersion range of ±200µs
of the transmission signal
200
200µs
400
Transmission burst length (µs)
16
Fig. 16
600
200µs
The receiving output pulse fluctuate ±200µs
according to the transmission signal.
Output pulse
T
800
ON
width
/T
Precautions for Designing Transmitter Side
OFF
1000
MIN
400
1200
600
TYP
MAX
800
Unit
µs