MAX9947

PRODUCTION

AISG Integrated Transceiver

Industry's First AISG-Compliant Fully Integrated Transceiver for Base Stations and Tower Equipment

Data Sheet (Rev. 4) Product Selection Table

Part Models: 2
1ku List Price: Starting From $6.54

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Overview

Receiver Wide Input Dynamic Range
- -15dBm to +5dBm in 50Ω
Variable Transmitter Output Level from +7dBm to +12dBm
AISG-Compliant Output Emission Profile
AutoDirection Output
No Need of Microcontrollers to Handle Bus Arbitration in Tower-Mounted Equipment
Supports All AISG Data Rates
- 9.6kbps
- 38.4kbps
- 115.2kbps
Bandpass Filter Compliant with AISG Protocol Centered Around 2.176MHz
3.0V to 5.5V Voltage Supply
Independent Logic Supply
Small, 3mm x 3mm 16-Pin TQFN Package

The MAX9947 is an AISG-compliant, fully integrated transceiver.

The MAX9947 receiver offers a typical dynamic range of 20dB and integrates a bandpass filter that operates in the 2.176MHz frequency with a narrow 200kHz bandwidth.

The MAX9947 transmitter integrates a bandpass filter that is compliant with the AISG spectrum emission profile. It can modulate OOK signals up to 115.2kbps. The output power can be varied with external resistors from +7dBm to +12dBm to compensate for loss in the external circuitry and cabling.

The MAX9947 also features a direction output to facilitate the RS-485 bus arbitration in tower-mounted equipment.

The MAX9947 is available in a small, 3mm x 3mm 16-pin TQFN and is rated for operation in the -40°C to +105°C temperature range.

Applications

Base Stations
Tower Equipment

Part Models: 2
1ku List Price: Starting From $6.54

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
MAX9947ETE+	16-LFCSP-3X3X0.75	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX9947ETE+T	16-LFCSP-3X3X0.75	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Aug 2, 2025 - 2505 PIN/ERRATA
		pcn_2505
MAX9947ETE+	PRODUCTION	pcn_2505
Jan 13, 2016 - 1605 ELECTRICAL DATASHEET
		pcn_1605
MAX9947ETE+	PRODUCTION
MAX9947ETE+T	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Tools & Simulations

IBIS Model 1

MAX9947 IBIS Model

Evaluation Kits

Evaluation Kit for the MAX9947

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Features and Benefits

Two MAX9947 Devices (One Works as a Transmitter and the Other as a Receiver)
Proven PCB Layout
Fully Assembled and Tested

Product Details

The MAX9947 evaluation kit (EV kit) provides a proven design to evaluate the MAX9947 AISG-compliant integrated transceiver. The EV kit has two MAX9947 devices installed on the board. When one MAX9947 works as a transmitter, the other works as a receiver.

Applications

Base Stations
Tower Equipment

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