TH7120 Datasheet, PDF(1/28 Page) List of Unclassifed Manufacturers

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TH7120 Datasheet, PDF (1/28 Pages) List of Unclassifed Manufacturers – 300 to 930MHz FSK/FM/ASK Transceiver

TH7120

300 to 930MHz

FSK/FM/ASK Transceiver

Features

! Single chip solution with only a few external components

! Stand-alone fixed-frequency transceiver operation modes

! Programmable multi-channel transceiver operation modes

! Low current consumption in active mode and very low standby current

! PLL-stabilized RF VCO (LO) with internal varactor diode

! Lock detection in programmable channel applications

! 3wire bus serial control interface

! FSK/ASK modulation selection

! FSK for digital data and FM for analog signal reception

! RSSI allows signal strength indication and ASK detection

! Switchable LNA gain for improved dynamic range

! Automatic PA turn-on after PLL lock

! FM possible with external varactor

! ASK modulation achieved by on/off keying

PRELIMINARY ! AFC option for extended input frequency acceptance range

! Surface mount package LQFP32

Ordering Information

Part No. (Engineering Samples)

TH7120 (TH7120-03)

Temperature Code

E (-40 Â°C to 85 Â°C)

Package Code

NE (LQFP32)

Application Examples

! General bi-directional half duplex digital data transmission or analog signal transmission

! Low-power telemetry

! Alarm and security systems

! Keyless car and central locking

! Domotics

! Model control

Technical Data Overview

! Frequency range: 300 MHz to 930 MHz for programmable channel applications

! 315 MHz, 433 MHz, 868 MHz or 915 MHz fixed-frequency single-channel variants

! Power supply range: 2.5 V to 5.5 V

! Temperature range: -40 Â°C to +85 Â°C

! Standby current: 50 nA

! Operating current: 6.0 mA in receive mode at low gain

! Operating current 9.0 mA in transmit mode at 0 dBm output power

! Adjustable output power range from â15 dBm to +6 dBm

! Sensitivity: -103 dBm at FSK with 150 kHz IF filter BW

! Sensitivity: -105 dBm at ASK with 150 kHz IF filter BW

! Maximum data rate for FSK and ASK: 60 kbit/s NRZ

! Maximum input level: â10 dBm at FSK and -20 dBm at ASK

! Input frequency acceptance: Â± 50 kHz (with AFC option)

! Frequency deviation range: Â±5 kHz to Â±100 kHz

! Maximum analog modulation frequency: 20 kHz

! 3 MHz to 12 MHz crystal reference

3901007120

Rev. 005

Page 1 of 28

Data Sheet

Jan. 2002

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