RPM7236-H9R Rohm Semiconductor, RPM7236-H9R Datasheet - Page 22

• 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

• Vcc and Ground Pattern Designing
• Holder Grounding
The Remote Control Receiver Module is highly sensitive in order to receive an infrared signal that
is far away. Although a sufficient countermeasure against power ripples is taken, the user should
take a further countermeasure in preparation for unforeseen malfunctions.
«Good example»
Noise is reduced as
much as possible within
the digital block loop.
Fig. 22 Shield
Digital
GND
V
block
DD
Noise
Fig. 23 Countermeasure against Line Noise
Be sure to connect the holder to the ground pattern.
RPM7100-Hx Series Holderless Model
The Remote Control Receiver Module is highly
sensitive. In order to protect the influence of external
noise, ground the casing.
The installation of a grounded metal shield in the
direction of external noise is effective to avoid the
influence of the external noise.
Receiver Module
Remote Control
GND
GND
V
V
20
CC
CC
Noise
Precautions for Designing Receiver Side
There is little influence because
the common impedance is low.
Increase the occupied ground
area to lower the common
impedance.