MAX2644EXT+T

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MAX2644EXT+T

+BOM

IC AMP BLUETOOTH 2.4GHZ SC70-6

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Specifications

Attribute Value
Supplier Rochester Electronics, LLC
Package Bulk
ProductStatus Obsolete
Frequency 2.4GHz ~ 2.5GHz
P1dB -13dBm
Gain 17dB
NoiseFigure 2dB
RFType Bluetooth, WLAN
Voltage-Supply 2.7V ~ 5.5V
Current-Supply 2.7mA ~ 7mA
TestFrequency 2.45GHz
MountingType Surface Mount
Package/Case 6-TSSOP, SC-88, SOT-363

Overview

Description

The MAX2644EXT+T is a low-noise amplifier (LNA) designed by Maxim Integrated, intended for GPS and other wireless applications. It operates in the 1.5 GHz frequency range, making it suitable for enhancing weak signals in GPS receivers. This device is notable for its high gain, typically around 19 dB, and low noise figure, generally around 0.9 dB, which significantly improves the signal-to-noise ratio of received signals. The amplifier operates with a supply voltage of 2.7V to 5.5V, offering flexibility across various power conditions.
The MAX2644EXT+T comes in a small SOT23 package, making it ideal for space-constrained applications. Its design includes on-chip output matching, which simplifies integration into existing systems and reduces the need for additional external components. The amplifier also features a shutdown mode, activated by a control pin, allowing for power savings when the device is not in use. Overall, the MAX2644EXT+T is valued for its performance in enhancing signal reception in GPS modules and other RF communication systems.

Equivalent

The MAX2644EXT+T is a low-noise amplifier (LNA) designed for GPS applications. Equivalent products may include:
1. Skyworks SKY65605-21: A low-noise amplifier for GPS/GNSS applications.
2. Qorvo TQP3M9035: A general-purpose LNA suitable for various frequency bands.
3. Analog Devices HMC374LC3B: A wideband low-noise amplifier.
4. Broadcom MGA-62563: An LNA for GPS applications.
Always verify specifics like frequency range, gain, and noise figure to ensure compatibility.

Features

The MAX2644EXT+T is a high-performance, low-noise amplifier (LNA) designed for GPS applications. It operates over a frequency range of 1575 MHz, which is suitable for GPS L1 band. Key features include:
1. Low Noise Figure: It offers a noise figure as low as 0.9 dB, enhancing signal reception sensitivity.
2. High Gain: Provides a high gain of 19.1 dB, improving signal strength for weak GPS signals.
3. Low Supply Current: The device operates with a low supply current of approximately 3.3 mA, making it energy efficient.
4. Single-Supply Voltage: It requires a single supply voltage of 2.7V to 5.5V, offering flexibility in design.
5. Input and Output Matching: The MAX2644EXT+T is internally matched to 50 ohms at the input and output, simplifying integration into circuits.
6. Compact Package: It is available in a small SOT23-6 package, making it suitable for space-constrained applications.
7. High IP3: The device features a high input third-order intercept point (IP3) of -1.5 dBm, enhancing linearity and performance in RF environments.
These features make it ideal for improving the performance of GPS receivers.

Pinout

The MAX2644EXT+T is a low-noise amplifier (LNA) designed by Maxim Integrated, primarily used for GPS, ISM, and WLAN applications. It comes in a 6-pin thin small outline package (TSOP).
Here is a brief overview of its pin functions:
1. RF IN (Pin 1): This is the radio frequency input pin where the signal to be amplified is fed into the device.
2. GND (Pin 2): Ground pin, providing a return path for biasing and RF signals.
3. VCC (Pin 3): Power supply pin, where the operating voltage is supplied to the amplifier.
4. SHDN (Pin 4): Shutdown pin used to enable or disable the amplifier. A low voltage level typically shuts down the device to save power.
5. GND (Pin 5): Another ground pin, ensuring adequate grounding and stability.
6. RF OUT (Pin 6): The amplified RF signal is output through this pin.
These pin functions support the amplifier's role in enhancing weak signals while maintaining low noise, making it suitable for improving the sensitivity of GPS and other wireless systems.

Manufacturer

The MAX2644EXT+T is manufactured by Analog Devices, Inc., which acquired Maxim Integrated in 2021. Analog Devices is a multinational semiconductor company specializing in the design and manufacturing of a wide range of analog, mixed-signal, and digital signal processing integrated circuits used in electronic equipment. They serve a diverse set of markets, including industrial, automotive, communication, healthcare, and consumer electronics.

Application

The MAX2644EXT+T is a low-noise amplifier (LNA) primarily used in GPS applications. Its design is optimized for enhancing the signal reception in GPS systems by amplifying weak satellite signals while minimizing noise. This makes it suitable for devices that rely on accurate GPS data, such as navigation systems, smartphones, and other portable devices requiring precise location tracking. Additionally, its low power consumption and compact size make it an excellent choice for battery-powered and space-constrained applications.

Package

The MAX2644EXT+T is a low-noise amplifier IC from Maxim Integrated, housed in a lead-free, 6-pin thin small outline package (TSOP), specifically designed for portable communication devices and applications that require high linearity and low noise figures.

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