MAX7057ASE+

Series:	--
Packaging:	Tube
Part Status:	Active
Frequency:	300MHz ~ 450MHz
Applications:	Home Automation, Security
Modulation or Protocol:	ASK, FSK
Data Rate (Max):	100 kbps
Power - Output:	17dBm
Current - Transmitting:	12.4mA
Data Interface:	PCB, Surface Mount
Antenna Connector:	PCB, Surface Mount
Memory Size:	--
Features:	--
Voltage - Supply:	2.1 V ~ 3.6 V
Operating Temperature:	-40°C ~ 125°C
Package / Case:	16-SOIC (0.154", 3.90mm Width)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

1. Introduction

MAX7057ASE+ is a highly integrated RF transmitter with an input frequency of up to 1GHz, output power up to 20dBm, and data rates up to 400Mbps. It is suitable for a wide range of applications, including wireless audio, robotics, industrial automation, surveillance, and cellular backhaul systems. This article will discuss the application field and working principle of the MAX7057ASE+.

2. Application Field

The MAX7057ASE+ is suitable for a wide range of wireless communication applications. It is designed for high-reliability communication, data transmission and low-power operation. It is especially well suited for applications in the wireless audio field such as Bluetooth and Wi-Fi speakers, home theater systems, portable speakers, and streaming audio. MAX7057ASE+ meets demanding audio requirements such as power efficiency, sound quality, and reliability. In addition, the MAX7057ASE+ is also suitable for industrial automation applications. It provides high performance and reliability for industrial data transmission applications with wide operating temperature ranges for outdoor operation. Due to its superior EMC characteristics, the MAX7057ASE+ is also suitable for surveillance and security applications. The MAX7057ASE+ also meets the needs of cellular backhaul systems with low power consumption, low latency, and support for higher QoS. It is ideal for application in remote rural areas as well as urban networks that require high speed data transmission.

3. Working Principle

The MAX7057ASE+ operates according to a direct conversion architecture which eliminates the need for external mixers. It is composed of a receive path and a transmit path, with a PLL synthesis module at the center. The receive path consists of a low-noise amplifier, and three mixers with 90-degree phase shifters. The transmit path includes an output amplifier, a power detector, and a power threshold control block. Both paths are connected to the PLL module, which controls the overall operation of the MAX7057ASE+.The PLL section uses a frequency synthesizer and a phase-locked loop controller to set the required oscillation frequency. The frequency synthesizer sets the oscillation frequency, and the phase-locked loop controller locks the oscillation frequency to the input frequency. The MAX7057ASE+ uses the direct conversion principle, which means that the radio frequency signal is directly converted into baseband signal. This is done by the mixing section, which acts as a demodulator. The analog baseband signal is then amplified and filtered to the intermediate frequency before being further demodulated. The demodulated data is then further processed by the baseband processor. The MAX7057ASE+ also integrates a power amplifier which amplifies the output signal with low distortion and low noise. This ensures that the signal is transmitted with optimal power efficiency, while maintaining reliable communication quality.

4. Conclusion

The MAX7057ASE+ is a highly integrated RF transmitter that is suitable for a wide range of applications. It features a direct conversion architecture that eliminates the need for external mixers, allowing it to transmit data at very high speeds with low power consumption and low latency. It is suitable for a variety of applications, including wireless audio, industrial automation, surveillance and cellular backhaul systems.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description