Datasheet > TH71221ELQBAA-000TU

TH71221ELQBAA-000TU

更新时间： 2024-11-12 01:12:15

品牌	Logo	应用领域
迈来芯 - MELEXIS		/
页数	文件大小	规格书
44页	2364K
描述
FSK/FM/ASK Transceiver

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TH71221ELQBAA-000TU 数据手册

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TH71221

27 to 930MHz

FSK/FM/ASK Transceiver

Features

 Single chip solution with only a few external

components

 3wire bus serial control interface

 FSK/ASK mode selection

 Stand-alone fixed-frequency user mode

 Programmable multi-channel user mode

 Low current consumption in active mode and

very low standby current

 FSK for digital data or FM for analog signal

reception

 RSSI output for signal strength indication and

ASK reception

 PLL-stabilized RF VCO (LO) with internal

varactor diode

 Lock detect output in programmable

user mode

 On-chip AFC for extended input frequency

acceptance range

 Peak detector for ASK detection

 Switchable LNA gain for improved dynamic

range

 Automatic PA turn-on after PLL lock

 ASK modulation achieved by PA on/off keying

 32-pin Quad Flat Lead Package (QFN)

Ordering Code

Product Code

TH71221

Temperature Code

Package Code Option Code

Packing Form Code

BAA-000

Legend:

Temperature Code:

Package Code:

Packing Form:

E for Temperature Range -40°C to 85°C

LQ for QFN,

RE for Reel, TU for Tube

Ordering example:

TH71221ELQ-BAA-000-RE

Application Examples

Pin Description

bottom

top

 General bi-directional half duplex digital data

RF signaling or analog signal communication

 Remote Keyless Entry (RKE)

 Low-power telemetry systems

 Alarm and security systems

 Wireless access control

 Garage door openers

 Networking solutions

 Active RFID tags

IN_IFA

VCC_IF

IN_DEM

INT2/PDO

INT1

OUT_DEM

RSSI

OUT_DTA

VEE_PLL

TNK_LO

VCC_PLL

FS1/LD

VEE_DIG

FS0/SDEN

TH71221

 Remote controls

 Home and building automation

General Description

The TH71221 is a single chip FSK/FM/ASK transceiver IC. It is designed to operate in low-power multi-

channel programmable or single-channel stand-alone, half-duplex data transmission systems. It can be used

for applications in automotive, industrial-scientific-medical (ISM), short range devices (SRD) or similar appli-

cations operating in the frequency range of 300 MHz to 930 MHz. In programmable user mode, the trans-

ceiver can operate down to 27 MHz by employing an external VCO varactor diode.

39010 071221

Rev. 009

Page 1 of 44

Data Sheet

Nov/15

12 3 4 5 6 7...44

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与TH71221ELQBAA-000TU相关器件

型号	品牌	获取价格	描述	数据表
TH7122ENE	MELEXIS	获取价格	27 to 930MHz FSK/FM/ASK Transceiver
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TH72001_12	MELEXIS	获取价格	FSK Transmitter
TH72001KDC	MELEXIS	获取价格	315MHz FSK Transmitter
TH72001KDCBAA-000RE	MELEXIS	获取价格	FSK Transmitter
TH72001KDCBAA-000TU	MELEXIS	获取价格	FSK Transmitter
TH72002	MELEXIS	获取价格	ASK Transmitter
TH72002_12	MELEXIS	获取价格	ASK Transmitter
TH72002KDC	MELEXIS	获取价格	ASK Transmitter
TH72002KDCBAA-000RE	MELEXIS	获取价格	ASK Transmitter