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MAX41462

INTERACTIVE Data Sheet Buy Now Download

300MHz–960MHz ASK Transmitter with I²C Interface

High Output Power for Long Range, with Low Current Consumption - Fully Programmable at a Low Implementation Cost

INTERACTIVE Data Sheet

Product Details

General Description

The MAX41461/MAX41462 is a UHF sub-GHz ISM/SRD transmitter is designed to transmit On-Off Keying (OOK) or Amplitude-Shift Keying (ASK) data in the 286MHz to 960MHz frequency range. It integrates a fractional phase-locked-loop (PLL), so a single, low-cost crystal can be used to generate commonly used world-wide sub-GHz frequencies. The fast response time of the PLL allows for frequency-hopping spread spectrum protocols for increased range and security. The chip also features preset modes with pin-selectable frequencies so that only one wire is required for external microcontroller interface. The only frequency-dependent components required are for the external antenna matching network. Optionally, the device can be put into programmable mode and programmed using an I²C interface. The crystal-based architecture of the MAX41461/MAX41462 eliminates many of the common problems with SAW-based transmitters by providing greater modulation depth, faster frequency settling, higher tolerance of the transmit frequency, and reduced temperature dependence. A clock-out signal at 800kHz is also provided.

The MAX41461/MAX41462 provides output power up to +13dBm into a 50Ω load while drawing < 8mA (Manchester coded). The output load can be adjusted to increase power up to +16dBm, and a PA boost mode can be enabled at frequencies above 850MHz to compensate for losses. The PA output power can also be controlled using programmable register settings in I²C mode.

The MAX41461/MAX41462 also features single-supply operation from +1.8V to +3.6V. The device has an auto-shutdown feature to extend battery life and a fast oscillator wake-up with data activity detection.

The MAX41461/MAX41462 is available in a 10-pin µMAX package and is specified over the -40°C to +105°C extended temperature range. The MAX41461/MAX41462 has an ESD rating of 2.5kV HBM.

Simplified Block Diagram

Enlarge+ Enlarge+

Benefits and Features

Low Implementation Cost
- Bits-to-RF Single Wire Operation
- Low Bill-of-Materials (BOM)
- Uses Single, Low-Cost, 16MHz Crystal
- Small 3mm x 3mm µMAX-10 Package
Increased Range, Data Rates, and Security
- Up to +16dBm PA Output Power
- Fast Frequency Switching for FHSS/DSSS
- Fast-On Oscillator: < 250μs Startup Time
- Up to 200kbps NRZ Data Rate
Extend Battery Life with Low Supply Current
- < 8mA ASK Manchester Coded
- Selectable Standby and Shutdown Modes
- Auto Shutdown at < 20nA (typ) Current
Ease of Use
- Pin Selectable 300MHz–928MHz Frequencies
- Pin Compatible ASK and FSK Versions
- +1.8V to +3.6V Single-Supply Operation
- Fully Programmable with 400kHz/1MHz
- I²C Interface

Applications

Building Automation and Security
Wireless Sensors and Alarms
Remote and Passive Keyless Entry (RKE/PKE)
Tire Pressure Monitoring Systems (TPMS)
Automatic Meter Reading (AMR)
Garage Door Openers (GDO)
Radio Control Toys
Internet of Things (IoT)

19-100419; Rev 1; 3/19

See parametric specs for ISM RF Transmitters < 1GHz

Key Features

Applications/Uses

See parametric specs for ISM RF Transmitters < 1GHz

Parametric specs for ISM RF Transmitters < 1GHz

Band/ Freq. (MHz)	300 to 960
Tx Output Power (dBm) (max)	16
Modulation Mode	ASK OOK
V_SUPPLY (V)	1.8 to 3.6
Package/Pins	UMAX/10
Budgetary Price (See Notes)	0.73

See parametric specs for ISM RF Transmitters < 1GHz

Simplified Block Diagram

Technical Docs

	Data Sheet	300MHz–960MHz ASK Transmitter with I²C Interface	May 03, 2019
	App Note	FCC and ETSI Requirements for Short-Range UHF ASK-Modulated Transmitters

Design & Development

Click any title below to view the detail page where available.

Hardware Development

Evaluation Board

MAX41460EVKIT

Data Sheet

$118.72

Description

The MAX4146x evaluation kit (EV kit) contains a single MAX4146x high output power VHF/UHF sub-GHz ISM/SRD transmitter, designed to transmit Frequency-Shift Keying (FSK), Gaussian GFSK or Amplitude-Shift Keying (ASK) data in the 286MHz to 960MHz frequency range.

The MAX41460 and the MAX41461–MAX41464 evaluation kits operate in conjunction with an external microcontroller (MCU) and Graphical User Interface (GUI) software running on a computer. The MAX41460 uses an SPI interface for internal register configurations while the MAX41461–MAX41464 can use the preset modes or an I²C interface for register programming and control.

The MAX41461, MAX41462, MAX41463, and MAX41464 evaluation kits are also designed to operate with a simple, one-pin data interface, alleviating the need to program the part for nominal operation, or other high-level system (PC with GUI software) having to configure the transmitter for operation. These parts allow the user to preset the operating frequencies by part selection and pin configurations. On the evaluation kit, selecting the frequency of operation is as simple as setting two jumpers.

The EV kit includes Windows^® 7/10-compatible software that provides a simple graphical user interface (GUI) for configuration of all the MAX4146x registers through the SPI or I²C ports. The GUI also controls the onboard PMIC and can act as a data generator, when the MAX32630FTHR Applications Platform is used.

These evaluation kits have not been FCC or ETSI certified and are not intended for radiated testing.

View Details

Features

Evaluates the MAX4146x Family of Sub-1GHz ISM Transmitters
Single Input Voltage Supply from 1.8V to 3.6V
Direct Interface with a MAX32630FTHR ARM Microcontroller (MCU) Board
Available Pmod Hardware Interface
Windows 7/10-compatible Software
On-Board SPI Interface Control for the MAX41460 and optional I²C Control for the MAX41461–MAX41464
GUI Controls for MAX32630FTHR Board PMIC Operation from 1.8V to 3.3V
Proven 2-Layer PCB Design
Fully Assembled and Tested

Evaluation Board

MAX41461EVKIT-315

Data Sheet

Description

These evaluation kits have not been FCC or ETSI certified and are not intended for radiated testing.

View Details

Features

Evaluates the MAX4146x Family of Sub-1GHz ISM Transmitters
Single Input Voltage Supply from 1.8V to 3.6V
Direct Interface with a MAX32630FTHR ARM Microcontroller (MCU) Board
Available Pmod Hardware Interface
Windows 7/10-compatible Software
On-Board SPI Interface Control for the MAX41460 and optional I²C Control for the MAX41461–MAX41464
GUI Controls for MAX32630FTHR Board PMIC Operation from 1.8V to 3.3V
Proven 2-Layer PCB Design
Fully Assembled and Tested

Evaluation Board

MAX41462EVKIT-434

Data Sheet

Description

These evaluation kits have not been FCC or ETSI certified and are not intended for radiated testing.

View Details

Features

Evaluates the MAX4146x Family of Sub-1GHz ISM Transmitters
Single Input Voltage Supply from 1.8V to 3.6V
Direct Interface with a MAX32630FTHR ARM Microcontroller (MCU) Board
Available Pmod Hardware Interface
Windows 7/10-compatible Software
On-Board SPI Interface Control for the MAX41460 and optional I²C Control for the MAX41461–MAX41464
GUI Controls for MAX32630FTHR Board PMIC Operation from 1.8V to 3.3V
Proven 2-Layer PCB Design
Fully Assembled and Tested

Evaluation Board

MAX41463EVKIT-915

Data Sheet

Description

These evaluation kits have not been FCC or ETSI certified and are not intended for radiated testing.

View Details

Features

Evaluates the MAX4146x Family of Sub-1GHz ISM Transmitters
Single Input Voltage Supply from 1.8V to 3.6V
Direct Interface with a MAX32630FTHR ARM Microcontroller (MCU) Board
Available Pmod Hardware Interface
Windows 7/10-compatible Software
On-Board SPI Interface Control for the MAX41460 and optional I²C Control for the MAX41461–MAX41464
GUI Controls for MAX32630FTHR Board PMIC Operation from 1.8V to 3.3V
Proven 2-Layer PCB Design
Fully Assembled and Tested

Additional Resources

Design Solution: How to Maximize the Wireless Power Range of Your UHF Sub-GHz Short-Range Device ›

Evaluation Board

MAX41460EVKIT

Data Sheet

$118.72

Description

These evaluation kits have not been FCC or ETSI certified and are not intended for radiated testing.

View Details

Features

Evaluates the MAX4146x Family of Sub-1GHz ISM Transmitters
Single Input Voltage Supply from 1.8V to 3.6V
Direct Interface with a MAX32630FTHR ARM Microcontroller (MCU) Board
Available Pmod Hardware Interface
Windows 7/10-compatible Software
On-Board SPI Interface Control for the MAX41460 and optional I²C Control for the MAX41461–MAX41464
GUI Controls for MAX32630FTHR Board PMIC Operation from 1.8V to 3.3V
Proven 2-Layer PCB Design
Fully Assembled and Tested

Evaluation Board

MAX41461EVKIT-315

Data Sheet

Description

These evaluation kits have not been FCC or ETSI certified and are not intended for radiated testing.

View Details

Features

Evaluates the MAX4146x Family of Sub-1GHz ISM Transmitters
Single Input Voltage Supply from 1.8V to 3.6V
Direct Interface with a MAX32630FTHR ARM Microcontroller (MCU) Board
Available Pmod Hardware Interface
Windows 7/10-compatible Software
On-Board SPI Interface Control for the MAX41460 and optional I²C Control for the MAX41461–MAX41464
GUI Controls for MAX32630FTHR Board PMIC Operation from 1.8V to 3.3V
Proven 2-Layer PCB Design
Fully Assembled and Tested

Evaluation Board

MAX41462EVKIT-434

Data Sheet

Description

These evaluation kits have not been FCC or ETSI certified and are not intended for radiated testing.

View Details

Features

Evaluates the MAX4146x Family of Sub-1GHz ISM Transmitters
Single Input Voltage Supply from 1.8V to 3.6V
Direct Interface with a MAX32630FTHR ARM Microcontroller (MCU) Board
Available Pmod Hardware Interface
Windows 7/10-compatible Software
On-Board SPI Interface Control for the MAX41460 and optional I²C Control for the MAX41461–MAX41464
GUI Controls for MAX32630FTHR Board PMIC Operation from 1.8V to 3.3V
Proven 2-Layer PCB Design
Fully Assembled and Tested

Evaluation Board

MAX41463EVKIT-915

Data Sheet

Description

These evaluation kits have not been FCC or ETSI certified and are not intended for radiated testing.

View Details

Features

Evaluates the MAX4146x Family of Sub-1GHz ISM Transmitters
Single Input Voltage Supply from 1.8V to 3.6V
Direct Interface with a MAX32630FTHR ARM Microcontroller (MCU) Board
Available Pmod Hardware Interface
Windows 7/10-compatible Software
On-Board SPI Interface Control for the MAX41460 and optional I²C Control for the MAX41461–MAX41464
GUI Controls for MAX32630FTHR Board PMIC Operation from 1.8V to 3.3V
Proven 2-Layer PCB Design
Fully Assembled and Tested

Design Solution: How to Maximize the Wireless Power Range of Your UHF Sub-GHz Short-Range Device ›

Support & Training

Search our knowledge base for answers to your technical questions.

Filtered Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .

General Description

The MAX41461/MAX41462 is available in a 10-pin µMAX package and is specified over the -40°C to +105°C extended temperature range. The MAX41461/MAX41462 has an ESD rating of 2.5kV HBM.

Simplified Block Diagram

Enlarge+ Enlarge+

Benefits and Features

Low Implementation Cost
- Bits-to-RF Single Wire Operation
- Low Bill-of-Materials (BOM)
- Uses Single, Low-Cost, 16MHz Crystal
- Small 3mm x 3mm µMAX-10 Package
Increased Range, Data Rates, and Security
- Up to +16dBm PA Output Power
- Fast Frequency Switching for FHSS/DSSS
- Fast-On Oscillator: < 250μs Startup Time
- Up to 200kbps NRZ Data Rate
Extend Battery Life with Low Supply Current
- < 8mA ASK Manchester Coded
- Selectable Standby and Shutdown Modes
- Auto Shutdown at < 20nA (typ) Current
Ease of Use
- Pin Selectable 300MHz–928MHz Frequencies
- Pin Compatible ASK and FSK Versions
- +1.8V to +3.6V Single-Supply Operation
- Fully Programmable with 400kHz/1MHz
- I²C Interface

Applications

Building Automation and Security
Wireless Sensors and Alarms
Remote and Passive Keyless Entry (RKE/PKE)
Tire Pressure Monitoring Systems (TPMS)
Automatic Meter Reading (AMR)
Garage Door Openers (GDO)
Radio Control Toys
Internet of Things (IoT)

19-100419; Rev 1; 3/19

Parameters

Parametric specs for ISM RF Transmitters < 1GHz

Band/ Freq. (MHz)	300 to 960
Tx Output Power (dBm) (max)	16
Modulation Mode	ASK OOK
V_SUPPLY (V)	1.8 to 3.6
Package/Pins	UMAX/10
Budgetary Price (See Notes)	0.73

See parametric specs for ISM RF Transmitters < 1GHz

Key Features

Low Implementation Cost
- Bits-to-RF Single Wire Operation
- Low Bill-of-Materials (BOM)
- Uses Single, Low-Cost, 16MHz Crystal
- Small 3mm x 3mm μMAX-10 Package
Increased Range, Data Rates, and Security
- Up to +16dBm PA Output Power
- Fast Frequency Switching for FHSS/DSSS
- Fast-On Oscillator: < 250μs Startup Time
- Up to 200kbps NRZ Data Rate
Extend Battery Life with Low Supply Current
- < 8mA ASK Manchester Coded
- Selectable Standby and Shutdown Modes
- Auto Shutdown at < 20nA (typ) Current
Ease of Use
- Pin Selectable 300MHz–928MHz Frequencies
- Pin Compatible ASK and FSK Versions
- +1.8V to +3.6V Single-Supply Operation
- Fully Programmable with 400kHz/1MHz I²C Interface

Applications/Uses

Automatic Meter Reading (AMR)
Building Automation and Security
Garage Door Openers (GDO)
Internet of Things (IoT)
Radio Control Toys
Remote and Passive Keyless Entry (RKE/PKE)
Tire Pressure Monitoring Systems (TPMS)
Wireless Sensors and Alarms

Description

The MAX41461/MAX41462 is available in a 10-pin μMAX package and is specified over the -40°C to +105°C extended temperature range. The MAX41461/MAX41462 has an ESD rating of 2.5kV HBM.

Design Solution: How to Maximize the Wireless Power Range of Your UHF Sub-GHz Short-Range Device ›

Simplified Block Diagram

MAX41461, MAX41462: Simplified Block Diagram

Technical Docs

	Data Sheet	300MHz–960MHz ASK Transmitter with I²C Interface	May 03, 2019
	App Note	FCC and ETSI Requirements for Short-Range UHF ASK-Modulated Transmitters

Support & Training

Search our knowledge base for answers to your technical questions.

Filtered Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .

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INTERACTIVE Data Sheet

MAX41462

300MHz–960MHz ASK Transmitter with I2C Interface

Product Details

Key Features

Applications/Uses

Simplified Block Diagram

Technical Docs

Design & Development

Support & Training

Parameters

Key Features

Applications/Uses

Description

Simplified Block Diagram

Technical Docs

Support & Training

MAX41462 Related Videos

300MHz–960MHz ASK Transmitter with I²C Interface