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MAX2112ETI+

Name: MAX2112ETI+
Rating: 4.7 (12 reviews)

RF RCVR 925MHZ-2.175GHZ 28TQFN

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資料表 MAX2112ETI+ DataSheet
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規格

Part Status	Active
Frequency	925MHz ~ 2.175GHz
Applications	Digital TV, CATV, Set Top Boxes
Current - Receiving	100mA
Data Interface	PCB, Surface Mount
Antenna Connector	PCB, Surface Mount
Voltage - Supply	3.13V ~ 3.47V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	28-WFQFN Exposed Pad
Supplier Device Package	28-TQFN (5x5)
Base Product Number	MAX2112

概述

Description

The MAX2112ETI+ is a high-performance, integrated RF receiver designed for various wireless communication applications. It operates in the frequency range of 400 MHz to 2.5 GHz, making it suitable for use in systems like RFID, ISM bands, and other short-range communication technologies. The device features low noise amplification, with a typical noise figure of around 1.5 dB, and offers a high level of integration, which reduces the need for external components.
Key features include an automatic gain control (AGC) system, multiple output options (including baseband and IF), and a low supply voltage requirement, which enhances its versatility. The MAX2112ETI+ also supports a wide range of data rates, making it adaptable to various modulation schemes. Its compact form factor and efficient power consumption make it ideal for portable and battery-operated devices. Overall, the MAX2112ETI+ is a reliable choice for designers looking to implement advanced RF receiver capabilities in compact systems.

Features

The MAX2112ETI+ is a high-performance, low-noise, RF downconverter designed for applications in the 900 MHz to 2.5 GHz frequency range. Key features include:
1. Frequency Range: Operates effectively from 900 MHz to 2.5 GHz.
2. Low Noise Figure: Achieves a low noise figure of 1.5 dB, enhancing signal quality.
3. High Gain: Delivers a gain of up to 30 dB, facilitating strong signal amplification.
4. Integrated Mixer: Combines both the mixer and amplifier in a single chip for compact designs.
5. Wide IF Bandwidth: Supports an IF bandwidth of 0 to 500 MHz, suitable for various modulation schemes.
6. Single Supply Operation: Operates from a single 5V supply, simplifying power management.
7. Temperature Range: Designed to function within -40°C to +85°C for reliable performance in various conditions.
8. Compact Package: Available in a small 16-pin TQFN package, enabling space-efficient design.
These features make the MAX2112ETI+ ideal for wireless communication systems, including cellular and satellite applications.

Package

The MAX2112ETI+ is packaged in a 20-pin TQFN (Thin Quad Flat No-lead) with dimensions of 4mm x 4mm. This package type is designed for compact applications, providing efficiency in space and thermal performance.

Pinout

The MAX2112ETI+ is a low-power, dual-channel, direct conversion (zero-IF) transceiver designed for wireless applications. It features a 28-pin TQFN package.
Key pin functions include:
- RF Inputs/Outputs: Pins for receiving and transmitting RF signals.
- LO Input: Local oscillator input for downconversion/upconversion.
- Baseband Outputs: Outputs for baseband I/Q signals.
- Digital Control Pins: Configurable pins for controlling various operational modes and settings.
- Power Supply Pins: VDD and ground connections for power supply.
- Reference Voltage: Pin for providing a reference voltage.
The device is optimized for applications like cellular, GPS, and other RF communications, enabling integration of both the transmitter and receiver in a compact form factor.

Manufacturer

The MAX2112ETI+ is manufactured by Maxim Integrated, a company known for designing and producing analog and mixed-signal integrated circuits (ICs). Founded in 1983 and headquartered in San Jose, California, Maxim Integrated specializes in high-performance semiconductor products used in various applications, including automotive, industrial, communications, and consumer electronics. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., a leading global manufacturer of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The MAX2112ETI+ is a low-noise amplifier designed for applications such as RF signal processing, showcasing the company's focus on innovation and quality in the semiconductor industry.

Application

The MAX2112ETI+ is a high-performance direct conversion receiver designed for applications in wireless communication systems. Its primary uses include RF signal processing for wireless LANs, automotive radar, and cellular base stations. It is suitable for applications requiring efficient frequency conversion, such as in receiver architectures for 2.4 GHz ISM band devices, and supports various modulation schemes, enhancing performance in data transmission and reception.

Equivalent

The MAX2112ETI+ is a RF downconverter IC. Equivalent products include the Analog Devices ADF5901, Si5351 from Silicon Labs, and the LTC5582 from Analog Devices. Additionally, the HMC5883L from Analog Devices may serve similar applications. Always verify specific requirements like frequency range and functionality for compatibility.