MICRF219AYQS
RF RX ASK/OOK 300-450MHZ 16QSOP
Quick Answer: MICRF219AYQS from Microchip Technology is a low-power 300 MHz to 450 MHz ASK/OOK receiver.
- Manufacturer
- Microchip Technology
- Product Category
- RF Receivers
- Package
- 16-SSOP (0.154", 3.90mm Width)
- Stock
- 583 pcs
- Availability
- Current quantity subject to confirmation.
Product Attributes
| Manufacturer | Microchip Technology |
|---|---|
| Product Category | RF Receivers |
| Antenna Connector | PCB, Surface Mount |
| Current - Receiving | 6mA |
| Data Interface | PCB, Surface Mount |
| Data Rate (Max) | 10kbps |
| Frequency | 300MHz ~ 450MHz |
| Min Qty | 0 |
| Modulation or Protocol | ASK, OOK |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 105°C |
| Package | Tube |
| Product status | Active |
| Sensitivity | -110dBm |
| Supplier Device Package | 16-QSOP |
| Voltage - Supply | 3V ~ 3.6V |
| Datasheet | View Datasheet PDF |
Procurement Snapshot
Key supply and purchasing information for MICRF219AYQS.
Why Source from Antrex Electronics?
Independent distribution support for verified sourcing, inspection and international procurement requirements.
Independent Distribution Support
Shortage, obsolete and hard-to-find component sourcing for production and procurement requirements.
Traceability Review
Label, lot, date code and available supply-chain documentation can be reviewed before order confirmation.
Inspection & Testing
Visual inspection, X-ray and third-party testing support can be arranged when required.
Global Procurement Support
Support for OEM, EMS, distributors and international sourcing requirements across individual parts and BOM projects.
Credentials & Verification Support
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Detailed Description for MICRF219AYQS
Product Overview
MICRF219AYQS from Microchip Technology is a low-power 300 MHz to 450 MHz ASK/OOK receiver. This receiver-oriented summary is written for engineers and sourcing teams that need a clear view of the receiver function, operating band and interface requirements.
The content focuses on architecture, RF band or radio standard, power/interface characteristics and practical design notes for BOM sourcing and replacement projects.
Key Features
- Manufacturer: Microchip Technology
- Part Number: MICRF219AYQS
- Device Type: low-power 300 MHz to 450 MHz ASK/OOK receiver
- Receiver Architecture: 300 MHz to 450 MHz superheterodyne, image-reject ASK/OOK receiver with automatic gain control
- Frequency Range: 300 MHz to 450 MHz sub-GHz receiver band
- Modulation: ASK / OOK demodulation
- Data Rate: Up to 20 kbps class for MICRF219A/MICRF220 family receiver operation
- Receiver Sensitivity: -110 dBm class receiver sensitivity in Microchip selector data
- Supply Voltage: 3.0 V to 3.6 V operation
- Receive Current: 4.3 mA typical at 315 MHz class; current increases for 433.92 MHz operation
- Output / Interface: Serial data output with analog RSSI support on applicable variants
- Package / Case: 16-pin QSOP receiver package family
- Design Notes: Match the crystal/reference selection and ASK/OOK data filter bandwidth to the chosen regional channel.
Applications
Remote keyless entry, tire pressure monitoring, security sensors and low-power proprietary sub-GHz links.
Compact receiver modules that need a low external component count and serial data output in common 315 MHz or 433.92 MHz bands.
Quality & Sourcing
Antrex Electronics can support sourcing for MICRF219AYQS through available stock checks, BOM consolidation and alternative-lot review. For RF receiver and radio receiver parts, package condition, lot/date code, moisture handling and original labeling should be checked before shipment.
For shortage support or legacy builds, Antrex Electronics can coordinate visual inspection, packaging verification and third-party electrical or authenticity testing when required. This helps buyers manage risk when sourcing discontinued, allocated or hard-to-find receiver ICs and modules.
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