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Description
MAXIM INTEGRATED PRODUCTS MAX1473EUI+ IF RECEIVER, 300MHZ-450MHZ, TSSOP-28The MAX1473EUI+ is a 315MHz 433MHz ASK superheterodyne receiver with extended dynamic range in 28 pin TSSOP package. This fully integrated low power CMOS receiver is ideal for receiving amplitude shift keyed (ASK) data in the 300MHz to 450MHz frequency range. Its signal range is from 114dBm to 0dBm. With few external components and a low current power down mode it is ideal for cost and power sensitive applications typical in automotive and consumer
The MAX1473EUI+ is a 315MHz/433MHz ASK superheterodyne receiver with extended dynamic range in 28 pin TSSOP package. This fully integrated low power CMOS receiver is ideal for receiving amplitude shift-keyed (ASK) data in the 300MHz to 450MHz frequency range. Its signal range is from -114dBm to 0dBm. With few external components and a low current power down mode it is ideal for cost and power sensitive applications typical in automotive and consumer markets. The chip consists of a low noise amplifier LNA , a fully differential image rejection mixer, an on-chip phase locked loop with integrated voltage controlled oscillator, a 10.7MHz IF limiting amplifier stage with received signal strength indicator and analogue baseband data recovery circuitry. It also has a discrete one step automatic gain control that drops the LNA gain by 35dB when the RF input signal is greater than -57dBm. It is used in automotive remote keyless entry, garage door openers, remote controls & home automation.
- Operates from single 3.3V or 5.0V supplies
- Operating temperature range from -40°C to 85°C
- Receiver input frequency range from 300MHz to 450MHz
- High dynamic range with on-chip AGC, selectable image rejection centre frequency
- Selectable x64 or x32 fLO/fXTAL ratio
- Low 5.2mA operating supply current
- Low current power down mode for efficient power cycling < 2.5µA
- 250µs start-up time, built-in 50dB RF image rejection
- Receive sensitivity of -114dBm
Applications
Building Automation, Automation & Process Control, Communications & Networking, Wireless, Security
- :
- -40°C
- :
- -
- :
- 85°C
- :
- ASK
- :
- 28Pins
- :
- -114dBm
- :
- -
- :
- -
- :
- 450MHz
- :
- 4.5V
- :
- TSSOP
- :
- Each
- :
- 300MHz
- :
- 5.5V
- :
- Home Automation, Remote Control & Sensing, Remote Keyless Entry, Security Systems, Smoke Alarms
- :
- 100Kbps
- :
- MSL 1 - Unlimited
Product details
| Operating Temperature Min | -40°C |
| Receiving Current | - |
| Operating Temperature Max | 85°C |
| RF / IF Modulation | ASK |
| No. of Pins | 28Pins |
| Sensitivity dBm | -114dBm |
| Product Range | - |
| Automotive Qualification Standard | - |
| Frequency Max | 450MHz |
| Supply Voltage Min | 4.5V |
| RF IC Case Style | TSSOP |
| Packaging | Each |
| Frequency Min | 300MHz |
| Supply Voltage Max | 5.5V |
| RF Receiver Applications | Home Automation, Remote Control & Sensing, Remote Keyless Entry, Security Systems, Smoke Alarms |
| Data Rate | 100Kbps |
| MSL | MSL 1 - Unlimited |
Other details
| Brand | MAXIM INTEGRATED PRODUCTS |
| Part Number | MAX1473EUI+ |
| Quantity | Each |
| Technical Data Sheet EN | |
| Application Note EN |
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. Image is for illustrative purposes only. Please refer to product description.
Shipping Notes
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Exchange/Return Notes
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4.9 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Good for kids
Color: Purple Pink
Perfect for my daughter’s new iPad. Very durable. Love the pink and purple color. Easy to put together.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
★★★★★ 5
Perfect case for my daughter’s iPad
Color: Purple Pink
bought this case for my daughter.
The fit is perfect — all the buttons and camera line up exactly and it snaps on securely.
The case feels sturdy, protective, and durable but not too heavy, so she can still carry it comfortably.
The stand feature is convenient. The design is also super cute — Luna loves it
Overall, great quality for the price. I would definitely buy it again
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 15, 2026
★★★★★ 5
Perfect case
Color: Purple Pink
Great protection for my IPad. I’m always dropping something. This case was pretty easy to install and has the protection over the glass front. No problem using the iPad with the cover. Cute colors and has a loop to store the pen
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Reviewed in the United States on June 9, 2026
★★★★★ 5
Very versatile!
Color: Colorful Pink
I got this iPad case for myself and my two year-old daughter as we both use this iPad. This case has definitely held up very well. I love the material because it’s nonslip so it’s easy for my two-year-old to hold I also love the movable and adjustable prop on the back that also doubles as a handle. There is two spots to put your Apple Pencil, so that’s very neat. It is a little bit bulky, but it is very protective and I think that is a good trade-off. There is also a cover for the charging port to prevent dust from getting in there or any spills. At first I was a little bit weary about it having a built-in screen protector, but it’s very clear and does not interfere with using the screen at all, so it’s actually a nice touch. I really love this thing and think it is worth it!
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Great case
Color: Purple Pink
My daughter loves it and the color is marvelous. It was easy to put on, I would buy again worth my money. Very sterdy as good for kids that love to drop their tablet. I like how its has a strap so your kid can carry it on their over there shoulders.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2026
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