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TH7111ENG, TH7112.2, TH7122

Table of contents:
Info of TH7111ENG
Info of TH7112.2
Info of TH7122

TH7111ENG, TH7112.2, TH7122 Selling Leads, Datasheet

MFG:Melexis Inc Category:RF and RFID Package Cooled:44-LQFP D/C:08+/09+

TH7111ENG, TH7112.2, TH7122 Datasheet download

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Part Number: TH7111ENG

Category: RF and RFID

MFG: Melexis Inc

Package Cooled: 44-LQFP

D/C: 08+/09+

Description: IC RECEIVER FULL SIZE 44-LQFP

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TH7111ENG Parameters

Technical/Catalog Information	TH7111ENG
Vendor	Melexis Inc
Category	RF and RFID
Applications	Alarm and Security Systems, RKE, TPMS
Current - Receiving	9.2mA
Features	-
Data Rate - Maximum	80 kbps
Operating Temperature	-40°C ~ 85°C
Package / Case	44-LQFP
Packaging	-
Sensitivity	-109dBm
Modulation or Protocol	ASK, FM, FSK
Voltage - Supply	2.5 V ~ 5.5 V
Frequency	800MHz ~ 930MHz
Memory Size	-
Data Interface	PCB, Surface Mount
Antenna Connector	PCB, Surface Mount
Drawing Number	*
RoHS Status	RoHS Non-Compliant
Other Names	TH7111ENG TH7111ENG

TH7122 General Description

The TH7122 is a single chip FSK/FM/ASK transceiver IC. It is designed to operate in low-power multichannel rogrammable 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 applications operating in the frequency range of 300 MHz to 930 MHz. In programmable user mode, the transceiver can operate down to 27 MHz by employing an external VCO varactor diode.

TH7122 Maximum Ratings

Parameter	Symbol	Condition / Note	Min	Max	Unit
Supply voltage	V_CC		-0.3	6.0	V
Input voltage	V_IN		-0.3	Vcc+0.3	V
Input RF level	P_iRF	@ LNA input		10	dBm
Storage temperature	T_STG		-40	+125
Junction temperature	T_J			+150
Power dissipation	P_diss			0.25	W
Thermal Resistance	R_thJA			60	K/W
Electrostatic discharge	V_ESD1	human body model, 1)	-1.0	+1.0	kV
Electrostatic discharge	V_ESD2	human body model, 2)	-0.75	+0.75	kV

1) all pins, except LF, TNK_LO, VCC_PLL and FS1/LD
2) pins LF, TNK_LO, VCC_PLL and FS1/LD

TH7122 Features

·Single chip solution with only a few external components
·Stand-alone fixed-frequency user mode
·Programmable multi-channel user mode
·Low current consumption in active mode and very low standby current
·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
·3wire bus serial control interface
·FSK/ASK mode selection
·FSK for digital data or FM for analog signal reception
·RSSI output for signal strength indication and ASK reception
·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 Low profile Quad Flat Package (LQFP)

TH7122 Typical Application

·General bi-directional half duplex digital data RF signaling or analog signal communication
·Tire Pressure Monitoring Systems (TPMS)
·Remote Keyless Entry (RKE)
·Low-power telemetry systems
·Alarm and security systems
·Wireless access control
·Garage door openers
·Networking solutions
·Active RFID tags
·Remote controls
·Home and building automation

TH7122 Connection Diagram

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