規格
| 屬性 | 價值 |
| Supplier | Rochester Electronics, LLC |
| Package / Case | Bulk |
| Part Status | Active |
| Frequency | 2.4GHz ~ 2.5GHz |
| P1d B | -13dBm |
| Gain | 17dB |
| Noise Figure | 2dB |
| RF Type | Bluetooth, WLAN |
| Voltage - Supply | 2.7V ~ 5.5V |
| Supply Current | 10.2mA |
| Test Frequency | 2.45GHz |
| Mounting Type | Surface Mount |
概述
Description
The MAX2644EXT is a low-noise amplifier (LNA) designed for GPS applications, produced by Maxim Integrated. It is engineered to enhance signal reception in GPS systems by providing high gain and low noise figure, which improves the overall sensitivity of the GPS receiver. The MAX2644EXT operates in the L1 band, typically at 1575 MHz, which is standard for GPS applications.
Key features include a low noise figure of approximately 0.9 dB, which is crucial for ensuring signal clarity, and a gain of around 19 dB. It operates with a supply voltage ranging from 2.7V to 5.5V, making it suitable for a wide range of portable devices. The amplifier comes in a compact SOT23 package, facilitating easy integration into compact and space-constrained designs.
Additionally, it offers high linearity and stability, ensuring robust performance even in challenging signal environments. The MAX2644EXT is an excellent choice for designers looking to enhance GPS signal reception in applications such as smartphones, navigation devices, and other portable electronics.
Key features include a low noise figure of approximately 0.9 dB, which is crucial for ensuring signal clarity, and a gain of around 19 dB. It operates with a supply voltage ranging from 2.7V to 5.5V, making it suitable for a wide range of portable devices. The amplifier comes in a compact SOT23 package, facilitating easy integration into compact and space-constrained designs.
Additionally, it offers high linearity and stability, ensuring robust performance even in challenging signal environments. The MAX2644EXT is an excellent choice for designers looking to enhance GPS signal reception in applications such as smartphones, navigation devices, and other portable electronics.
Equivalent
The MAX2644EXT is a low-noise amplifier (LNA) designed for GPS applications. Equivalent products include:
1. Skyworks SKY65605-21 - Low-noise amplifier for GNSS applications.
2. Qorvo TQP3M9007 - General-purpose LNA with similar frequency range.
3. Analog Devices HMC374 - MMIC LNA covering similar frequency bands.
4. NXP BGU7005 - GPS LNA with low power consumption.
These alternatives offer comparable performance, but specific application requirements should be checked for compatibility.
1. Skyworks SKY65605-21 - Low-noise amplifier for GNSS applications.
2. Qorvo TQP3M9007 - General-purpose LNA with similar frequency range.
3. Analog Devices HMC374 - MMIC LNA covering similar frequency bands.
4. NXP BGU7005 - GPS LNA with low power consumption.
These alternatives offer comparable performance, but specific application requirements should be checked for compatibility.
Features
The MAX2644EXT is a low-noise amplifier (LNA) designed by Maxim Integrated for GPS applications. Some of its key features include:
1. Low Noise Figure: It has a noise figure of 0.9 dB, contributing to better sensitivity and performance in GPS applications.
2. High Gain: The amplifier provides a gain of 19.4 dB, enhancing weak signals for better reception.
3. Low Current Consumption: Its typical supply current is only 3.3 mA, which is ideal for battery-powered devices, improving energy efficiency.
4. Wide Operating Voltage Range: It operates over a wide voltage range of 2.7 V to 5.5 V, allowing flexibility in various applications.
5. Input and Output Match: The device features integrated input and output matching, simplifying the design process and reducing the need for external components.
6. Small Package Size: It is available in a compact 6-pin thin SOT23 package, making it suitable for space-constrained applications.
7. Temperature Range: The MAX2644EXT operates over a temperature range from -40°C to +85°C, ensuring reliable performance in diverse environmental conditions.
1. Low Noise Figure: It has a noise figure of 0.9 dB, contributing to better sensitivity and performance in GPS applications.
2. High Gain: The amplifier provides a gain of 19.4 dB, enhancing weak signals for better reception.
3. Low Current Consumption: Its typical supply current is only 3.3 mA, which is ideal for battery-powered devices, improving energy efficiency.
4. Wide Operating Voltage Range: It operates over a wide voltage range of 2.7 V to 5.5 V, allowing flexibility in various applications.
5. Input and Output Match: The device features integrated input and output matching, simplifying the design process and reducing the need for external components.
6. Small Package Size: It is available in a compact 6-pin thin SOT23 package, making it suitable for space-constrained applications.
7. Temperature Range: The MAX2644EXT operates over a temperature range from -40°C to +85°C, ensuring reliable performance in diverse environmental conditions.
Pinout
The MAX2644EXT is a low-noise amplifier (LNA) designed for GPS applications. It comes in a 6-pin thin small outline package (TSOP), specifically a 6-TSOT package. The pin functions are as follows:
1. RF_IN: This is the input pin for RF signals.
2. GND: Ground pin, connected to the ground plane.
3. RF_OUT: The output pin for the amplified RF signals.
4. SHDN: Shutdown pin, used to enable or disable the amplifier.
5. BIAS: Connects to an external resistor to set the bias current.
6. VCC: Power supply pin for the device.
The MAX2644EXT is particularly valued for its low noise figure and high linearity, which are essential for maintaining signal integrity in GPS applications.
1. RF_IN: This is the input pin for RF signals.
2. GND: Ground pin, connected to the ground plane.
3. RF_OUT: The output pin for the amplified RF signals.
4. SHDN: Shutdown pin, used to enable or disable the amplifier.
5. BIAS: Connects to an external resistor to set the bias current.
6. VCC: Power supply pin for the device.
The MAX2644EXT is particularly valued for its low noise figure and high linearity, which are essential for maintaining signal integrity in GPS applications.
Manufacturer
The MAX2644EXT is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated was a company specializing in the design, development, and manufacture of analog and mixed-signal integrated circuits. Analog Devices, Inc., which acquired Maxim Integrated in 2021, is a global leader in the semiconductor industry, providing solutions for analog, digital, and mixed-signal processing. The company serves various sectors, including industrial, automotive, communication, consumer, and healthcare markets, offering a wide range of products that enhance signal processing, data conversion, and power management capabilities.
Application
The MAX2644EXT is a low-noise amplifier (LNA) designed primarily for GPS applications. It is used to enhance the performance of GPS receivers by amplifying weak satellite signals while minimizing additional noise. This makes it ideal for use in portable devices such as smartphones, tablets, and GPS navigation systems, where maintaining signal integrity is crucial. Additionally, it can be applied in other RF communication systems requiring low-noise amplification, such as wireless communication devices and RF modules. Its compact size and high performance make it suitable for integration into various consumer electronics, automotive, and IoT applications where space and efficiency are priorities.
Package
The MAX2644EXT is housed in an 8-pin thin small outline package (TSOP), offering a compact solution for applications requiring low noise amplifier functionality.
