2. Article Body
📌 Product Overview
The XL-IRM0038C-38A is a miniaturized infrared receiver module designed for surface-mount technology (SMT) assembly. It integrates a high-sensitivity PIN photodiode and a low-power preamplifier IC into a compact, epoxy-molded package with dual shielding to minimize electromagnetic interference. 💡 With a carrier frequency of 37.9 kHz, this component is engineered to provide stable signal decoding in space-constrained designs like set-top boxes and air conditioners. The device supports a wide operating voltage range (2.5V to 5.5V) and features TTL/CMOS compatible output, making it a versatile choice for low-power remote control applications.
🎯 Typical Applications
This component is optimized for short-to-medium-range infrared data reception in consumer and industrial sectors. Common implementation scenarios include:
- Consumer Appliances: Remote control interfaces for air conditioners, fans, heaters, and humidifiers.
- Multimedia Systems: Signal reception for TVs, DVD players, set-top boxes, and vehicle-mounted entertainment units.
- Industrial & Peripherals: Sensor inputs for industrial automation instruments, computer peripherals, and induction sanitaryware.
- Automotive & Lighting: Integration into automotive electronics and lighting control systems requiring remote activation.
📊 Key Technical Specifications
The electrical performance of the XL-IRM0038C-38A is characterized by low power consumption and high immunity to ambient light interference.
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Supply Voltage | VDD | 2.5 | - | 5.5 | V | Recommended |
| Carrier Frequency | fo | - | 37.9 | - | kHz | - |
| BPF Width | fBW | - | 6 | - | kHz | - |
| Working Current | ICC | 0.3 | 0.4 | 0.5 | mA | VDD=5V |
| Reception Distance | L | 10 | 15 | - | m | 0° angle |
| Low Level Output | Vol | - | - | 250 | mV | Isink=2.0mA |
| High Level Output | Voh | 4.5 | - | 5.0 | V | VCC=5V |
🚨 Absolute Maximum Ratings & Process Limits
Exceeding these operational limits may cause permanent damage to the device or degrade reliability. These values are critical for stress testing and designing protective circuits.
| Parameter | Symbol | Rating | Unit | Notes |
|---|---|---|---|---|
| Supply Voltage | VDD | 6.0 | V | - |
| Operating Temp. | Topr | -20 ~ +85 | °C | Ambient |
| Storage Temp. | Tstg | -40 ~ +125 | °C | - |
| Wave Soldering | Tsol | 260 | °C | ≤ 6 seconds |
| Manual Soldering | Tsol | 300 | °C | ≤ 3 seconds |
📦 Package, Dimensions & Assembly Notes
The XL-IRM0038C-38A utilizes a semi-circular, epoxy-encapsulated SMD package, designed for efficient pick-and-place assembly.
- Dimensions: 5.0mm (L) x 5.0mm (W) x 3.5mm (H).
- Type: Surface Mount Device (SMD) with lead-free solderability.
- Shielding: Internal and external dual-shielding structure to resist electrical noise.
- Assembly: Supports standard wave soldering (260°C) and manual welding (300°C) profiles.
🔒 Design Note: Ensure the PCB layout accounts for the 5.0mm footprint to avoid interference with nearby chassis components.
🚀 Sourcing & Supply Considerations
- Compliance: Certified by REACH and ROHS, ensuring suitability for environmentally sensitive supply chains.
- Availability: Verify stock for specific production volumes to align with lead times.
- Quality Control: Batch testing for reception distance consistency is recommended during IQC (Incoming Quality Control).
❓ FAQ
Q: What is the carrier frequency tolerance for this receiver?
A: The XL-IRM0038C-38A is tuned for a typical carrier frequency of 37.9 kHz with a Band Pass Filter (BPF) width of approximately 6 kHz.
Q: Can this component operate in a 3.3V system?
A: Yes, the device supports a wide supply voltage range from 2.5V to 5.5V, making it fully compatible with 3.3V logic levels.
Q: What is the maximum operating temperature?
A: The maximum operating ambient temperature is +85°C, while storage can extend up to +125°C.
Q: Does the package include shielding against interference?
A: Yes, it features a dual-shielding design (internal and external) to withstand environmental interference from fluorescent lamps and other sources.
Q: What are the soldering limits for assembly?
A: For wave soldering, the limit is 260°C for ≤6 seconds. For manual soldering, it is 300°C for ≤3 seconds.
