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Introducing the new Maxim [MAX 2180 AETG] AM/FM Automotive Antenna Low Noise Amplifier
Product introductionThe MAX2180AETG is a high-performance AM/FM low noise amplifier for automotive antennas. The device has independent AM and FM signal paths, each providing a 30dB gain range, controlled by an independent on-chip power detector. The …
Product introduction
The MAX2180AETG is a high-performance AM/FM low noise amplifier for automotive antennas. The device has independent AM and FM signal paths, each providing a 30dB gain range, controlled by an independent on-chip power detector. The MAX2180AETG's AM signal channel covers the 148kHz to 30MHz input frequency range, while the FM signal channel covers the 65MHz to 162.5MHz frequency range.
The MAX2180AETG device has an integrated regulator and regulator tube that allows operating in the +6V to +24V battery voltage range. Under extreme conditions, the on-chip thermal protection circuit automatically limits the junction temperature.
The MAX2180AETG device is available in a small, 4mm x 4mm TQFN package and operates in an extended industrial temperature range (-40°C to +85°C).
Core performance parameters
1. Signal processing capability
The MAX2180AETG is a dual-channel low noise amplifier (LNA) specially designed for automotive antennas. It integrates independent AM (148kHz -- 30MHz) and FM (65MHz -- 162.5MHz) signal paths, with a gain range of 30dB per channel. The MAX2180AETG supports dynamic gain adjustment to optimize signal reception sensitivity .
The noise coefficient of AM channel is as low as 2.5dB, and that of FM channel is 3.2dB, which significantly improves the SNR in weak signal environment.
2. Power supply and protection function
The MAX2180AETG supports a wide input voltage range +6V to +24V (compatible with automotive battery system). The integrated high voltage regulator and thermal protection circuit can automatically limit current under extreme temperature to ensure stable operation .
The MAX2180AETG has built-in AGC (automatic gain control) function, eliminating the need for external diode design, simplifying the circuit and reducing BOM cost .
3. Package and reliability
The MAX2180AETG is packaged in 4mm x 4mm TQFN , in accordance with AEC-Q100 Grade 1 vehicle certification, and operating temperature range -40°C to +85°C, suitable for harsh vehicle environment .
Typical application scenario
The MAX2180AETG, with its high integration and vehicle level reliability, is mainly used in the following areas:
1. Automotive electronics
Active antenna system : MAX2180AETG supports AM/FM broadcasting and satellite radio (such as DAB/DMB) signal reception to improve the performance of vehicle entertainment system .
smart antenna module : MAX2180AETG ADAPTS to multi-band communication requirements of new energy vehicles and is integrated in T-Box or V2X RF front-end .
2. Industrial and Consumer electronics
Portable radio equipment : MAX2180AETG for emergency broadcast reception, outdoor communication terminal high sensitivity signal amplification .
Internet of Things RF front-end : MAX2180AETG supports LoRa, Sub-GHz and other low-power wireless protocol antenna signal processing .
If you have any requirements for MAX2180AETG products, please visit our official website (www.hkmjd.com) to learn more.
Time:2025-03-18
Time:2025-03-18
Time:2025-03-18
Time:2025-03-18
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