Datasheet > MAX41464

MAX41464

更新时间： 2024-11-29 14:57:35

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
39页	776K
描述
300-960MHz (G)FSK发送器使用I2C接口

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中文翻译

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数据手册

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MAX41464 数据手册

EVALUATION KIT AVAILABLE

Click here for production status of speciﬁc part numbers.

MAX41463/MAX41464

300MHz–960MHz (G)FSK

Transmitter with I C Interface

General Description

Beneﬁts and Features

● Low Implementation Cost

The MAX41463/MAX41464 is a UHF sub-GHz ISM/SRD

transmitter designed to transmit Frequency-Shift Keying

(FSK), or Gaussian (G)FSK (or 2GFSK) data in the 286MHz

to 960MHz frequency range. It integrates a fractional phase-

locked-loop (PLL) so that 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-hoppingspreadspectrumprotocolsforincreased

range and security. The chip also features preset modes

with pin-selectable frequencies so that only one wire is

required for an external microcontroller interface. The only

frequency-dependent components required are for the

external antenna-matching network. A buffered clock-out

signal at 800kHz is also provided. Optionally, the device

can be put into programmable mode and programmed

• 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

• < 12mA Typical Current Consumption at 315MHz

• Selectable Standby and Shutdown Modes

• Auto Shutdown at < 20nA (typ) Current

● Ease-of-Use

• Pin-Selectable Frequencies

using an I C interface. The crystal-based architecture

• Pin-Compatible ASK and FSK Versions

• +1.8V to +3.6V Single-Supply Operation

• Fully Programmable with 400kHz/1MHz I C

of the MAX41463/MAX41464 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.

Interface

Ordering Information appears at end of data sheet.

The MAX41463/MAX41464 provides output power up

to +13dBm into a 50Ω load while drawing < 12mA at

315MHz. 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 I C mode.

Simpliﬁed Block Diagram

The MAX41463/MAX41464 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.

DATA

/SDA

PA CONTROL

VDD

GND

The MAX41463/MAX41464 is available in a 10-pin

µMAX package and is specified over the -40°C to +105°C

extended temperature range.

DATA ACTIVITY

DETECTOR

PAOUT

PAGND

SEL[1:0]

Applications

LOCK DETECT

FRAC-N

PLL

● 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

XTAL1

XTAL2

CLKOUT

/SCL

CRYSTAL OSCILLATOR

/16

● Internet of Things (IoT)

19-100324; Rev 4; 3/19

12 3 4 5 6 7...39

中文翻译

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与MAX41464相关器件

型号	品牌	获取价格	描述	数据表
MAX41464EVKIT-868	MAXIM	获取价格	Evaluates the MAX4146x Family of Sub-1GHz ISM Transmitters
MAX41464GUB+T	MAXIM	获取价格	Consumer Circuit,
MAX4146EEE	MAXIM	获取价格	High-Speed, Low-Distortion, Differential Line Receivers
MAX4146EEE	ROCHESTER	获取价格	LINE RECEIVER, PDSO16, 0.150 INCH, 0.025 INCH PITCH, QSOP-16
MAX4146EEE+	MAXIM	获取价格	Line Receiver, 1 Func, 1 Rcvr, PDSO16, 0.150 INCH, 0.025 INCH PITCH, QSOP-16
MAX4146EEE+T	MAXIM	获取价格	Line Receiver, 1 Func, 1 Rcvr, PDSO16, 0.150 INCH, 0.025 INCH PITCH, QSOP-16
MAX4146EEE-T	MAXIM	获取价格	Line Receiver, 1 Func, 1 Rcvr, PDSO16, 0.150 INCH, 0.025 INCH PITCH, QSOP-16
MAX4146ESD	MAXIM	获取价格	High-Speed, Low-Distortion, Differential Line Receivers
MAX4146ESD	ROCHESTER	获取价格	LINE RECEIVER, PDSO14, 0.150 INCH, SOIC-14
MAX4146ESD-T	MAXIM	获取价格	Line Receiver, 1 Func, 1 Rcvr, PDSO14, 0.150 INCH, SOIC-14

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