Download PDFKSM-401E KODENSHI
Document overview
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Technical content
Page 1
Optic receiver module
KSM-40 E
DIMENSIONS
(Unit : mm)
The KSM-40 E consist of a PIN Photodiode of high
speed and a preamplifier IC in the package as an receiver for Infrared remote control systems
Features
ㆍSmall size SMD package ㆍWide supply-voltage range : 2.7V to 5.5V ㆍShielded against electrical field disturbance ㆍHigh immunity against ambient light disturbances (Logic Controller Adaptation) ㆍAvailable for carrier frequencies between 32.7KHz to 56.9KHz ㆍTTL and CMOS compatible
Applications
ㆍAudio & Video Applications (TV, VTR, Audio, DVDP, CDP) ㆍHome Appliances (Air conditioner, Computer, Camcoder) ㆍWireless Toys ㆍRemote Control Equipment
Maximum Ratings
B.P.F Center Frequency
[Ta=25℃ ]
| Parameter | Symbol | Ratings | Unit |
|---|---|---|---|
| Supply Voltage | Vcc | 6.0 | V |
| Operating Temperature | Topr | -10 ~ +60 | ℃ |
| Storage Temperature | Tstg | -20 ~ +75 | ℃ |
| Soldering Temperature | Tsol | 260 (Max 5 sec) | ℃ |
| Model No. | B.P.F Center Frequency(㎑) |
| KSM-401E | 40.0 |
| KSM-402E | 36.7 |
| KSM-403E | 37.9 |
| KSM-404E | 32.7 |
| KSM-405E | 56.9 |
Electro-Optical Characteristics
[Ta=25℃, Vcc=5.0V(Vcc=3.0V)]
| Parameter | Symbol | Condition | Min. | Typ. | Max. | Unit | |
|---|---|---|---|---|---|---|---|
| Recommended Supply Voltage | Vcc | 2.7 | - | 5.5 | V | ||
| Current Consumption | Icc | No signal input | 0.5 | 1.2(1.0) | 1.7 | Ma | |
| Peak Wavelength *1 | λ p | - | 940 | - | nm | ||
| B.P.F Center Frequency | fo | - | 37.9 | - | KHz | ||
| Transmission Distance *1 | L | 250 ± 50lx | 0˚ | 7 | - | - | m |
| ±30˚ | 5 | - | - | ||||
| High level Output voltage *1 | V OH | 30cm over the ray axis | 4.5(2.8) | 5.0(3.0) | - | V | |
| Low level Output voltage *1 | V OL | - | 0.1 | 0.5 | V | ||
| High level Output Pulse Width *1 | T WH | Burst wave=600㎲ Period = 1.2ms | 500 | 600 | 700 | ㎲ | |
| Low level Output Pulse Width *1 | T WL | 500 | 600 | 700 | ㎲ | ||
| Output Form | Active Low Output | ||||||
\*1. It specifies the maxmum distance between emitter and detector that the output wave form satisfies the standard under the conditions below against the standard transmitter. 1) Measuring place : Indoor without extreme reflection of light 2) Ambient light source: Detecting surface illumination shall be irradiate 200± 50lx under ordinary white fluorescence lamp without
high frequency lightning
3) Standard transmitter : Burst wave of standard transmitter shall be arranged to 50mVP-P under the measuring circuit
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Page 2
Optic receiver module
KSM-40□E
■ Measuring Method [Ta=25℃]
Standard Transmitter
Output Pulse Width
Test Method of Transmission Distance
Transmitter output
Carrier Frequency(fo)
Remocon output pulse
■ Typical Characteristics Curve [Ta=25℃]
Relative reception distance Vs.
Relative reception distance Vs.
Radiant pattern
Ambient temperature
Supply voltage
0˚
Relative Sensitivity [%]
■ Standard Application Circuit with R-C Decoupling Filter
R
Receiver
Vcc
Transmitter
Module
GND
GND
\*1 Recommended Circuit Description 1) Transmitter(IRED) drive current : IFP = 300mAP-P ~ 600mAP-P 2) R-C Decoupling Filter with Lower Cut-off Frequency : R=100Ω , C=47㎌ ⇒ fc = 1/2π RC = 33.9Hz 3) External pull-up resistor(optional) : 10kΩ over
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