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Specifications
Frequency - Center:
38kHz
Transmission Distance:
40m
Viewing Angle:
75°
Operating Temperature:
-25℃~+85℃
Current - Supply:
700uA
Voltage - Supply:
2.5V~5.5V
Mfr. Part #:
TSOP57438TT1
Package:
SMD,4x4mm
Key Attributes
Model Number:
TSOP57438TT1
Product Description
Product Overview
This IR receiver series is optimized for long burst remote control systems in different environments. The devices contain a PIN diode and a preamplifier assembled on a lead frame, with an IR filter in the epoxy package. The demodulated output signal can be directly connected to a microprocessor for decoding. The higher the AGC, the better noise is suppressed, but the lower the code compatibility. These components have not been qualified to automotive specifications.
Product Attributes
- Brand: Vishay Semiconductors
- Material: Not specified
- Color: Not specified
- Certifications: Not specified
Technical Specifications
| Part Number | Carrier Frequency | AGC Variant | Application | Best Choice For |
| TSOP57236 | 36 kHz | AGC2 | Remote control | RC-5 |
| TSOP57436 | 36 kHz | AGC4 | Remote control | RC-6, Panasonic |
| TSOP57238 | 38 kHz | AGC2 | Remote control | NEC |
| TSOP57438 | 38 kHz | AGC4 | Remote control | NEC, Mitsubishi, Sejin 4PPM |
| TSOP57240 | 40 kHz | AGC2 | Remote control | Sharp |
| TSOP57440 | 40 kHz | AGC4 | Remote control | Sharp, Thomson RCA |
| TSOP57256 | 56 kHz | AGC2 | Remote control | r-step |
| TSOP57456 | 56 kHz | AGC4 | Remote control | r-step, Cisco |
General Electrical Characteristics
| Parameter | Test Condition | Symbol | Min. | Typ. | Max. | Unit |
| Supply Voltage | VS | 2.0 | - | 5.5 | V | |
| Supply Current | VS = 5 V, Ev = 0 | ISD | 0.25 | 0.35 | 0.45 | mA |
| Supply Current | Ev = 40 klx, sunlight | ISH | - | 0.45 | - | mA |
| Output Voltage Low | IOSL = 0.5 mA, Ee = 0.7 mW/m2, test signal see Fig. 1 | VOSL | - | - | 100 | mV |
| Minimum Irradiance | Test signal: RC5 code | Ee min. | - | 0.25 | 0.5 | mW/m2 |
| Minimum Irradiance | Test signal: NEC code | Ee min. | - | 0.3 | 0.6 | mW/m2 |
| Maximum Irradiance | Pulse width tolerance: tpi - 4/fo < tpo < tpi + 4/fo, test signal see Fig. 1 | Ee max. | 30 | - | - | W/m2 |
| Directivity | 1/2 | - | 75 | - |
Absolute Maximum Ratings
| Parameter | Symbol | Value | Unit |
| Supply Voltage | VS | -0.3 to +6 | V |
| Supply Current | IS | 5 | mA |
| Output Voltage | VO | -0.3 to (VS + 0.3) | V |
| Output Current | IO | 5 | mA |
| Junction Temperature | Tj | 100 | C |
| Storage Temperature Range | Tstg | -25 to +85 | C |
| Operating Temperature Range | Tamb | -25 to +85 | C |
| Power Consumption | Tamb 85 C, Ptot | 10 | mW |
2410121846_VISHAY-TSOP57438TT1_C3742825.pdf
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