# TSOP344..SB1F IR Receiver Modules

## Description
IR receiver modules for remote control systems. Demodulated output signal can be decoded by a microprocessor. Designed for 3V supply with excellent disturbance suppression.

## Features
· Photo detector & preamplifier in one package
· Internal PCM frequency filter
· Improved shielding against electrical disturbance
· TTL and CMOS compatibility
· Active low output
· 2.7V - 5.5V supply voltage
· Improved ambient light immunity
· Enhanced disturbance signal suppression

## Parts Table

Part	Carrier Frequency
TSOP34430SB1F	30 kHz
TSOP34433SB1F	33 kHz
TSOP34436SB1F	36 kHz
TSOP34437SB1F	36.7 kHz
TSOP34438SB1F	38 kHz
TSOP34440SB1F	40 kHz
TSOP34456SB1F	56 kHz

## Pinning
1 = OUT, 2 = GND, 3 = VS

## Absolute Maximum Ratings
· Supply Voltage (VS): -0.3 to +6.0 V
· Supply Current (IS): 3 mA
· Output Voltage (VO): -0.3 to VS + 0.3 V
· Operating Temperature: -25 to +85 °C

## Electrical/Optical Characteristics (Typical at 25°C)
· Supply Voltage: 2.7 - 5.5V
· Transmission Distance: Up to 5m (dependent on IR diode & conditions)
· Minimum Irradiance (30-40 kHz @ 3V): 0.2 - 0.4 mW/m²
· Minimum Irradiance (56 kHz @ 3V): 0.3 - 0.5 mW/m²

## Suitable Data Format Requirements
· Carrier frequency close to bandpass center (e.g. 38 kHz)
· Burst length of 10 cycles or longer
· Gap time after each burst (10-35 cycles) of at least 14 cycles
· Valid data formats: NEC, Toshiba, Sharp, RC5, R-2000

## Disturbance Suppression
Suppresses DC light, continuous signals, and signals from fluorescent lamps.

## Package Dimensions
Available in datasheet (refer to document for detailed dimensions).

## Environmental Policy
Manufactured without ozone-depleting substances.