TH71102

315/433MHz

FSK/FM/ASK Receiver

39010 71102

Page 1 of 22

Data Sheet

Rev. 013

June/07

Features

! Double-conversion superhet architecture for high degree of image rejection

! FSK for digital data and FM reception for analog signal transmission

! FSK/FM demodulation with phase-coincidence demodulator

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

! Switchable LNA gain for improved dynamic range

! RSSI allows signal strength indication and ASK detection

! 32-pin Low profile Quad Flat Package (LQFP)

Ordering Information

Part Number

Temperature Code

Package Code

Delivery Form

TH71102

E (-40 °C to 85 °C)

NE (LQFP32)

250 pc/tray

2000 pc/T&R

Application Examples

" General digital data transmission

" Tire Pressure Monitoring Systems (TPMS)

" Remote Keyless Entry (RKE)

" Wireless access control

" Alarm and security systems

" Garage door openers

" Remote Controls

" Home and building automation

! Low-power telemetry systems

Pin Description

General Description

The TH71102 FSK/FM/ASK double-conversion superheterodyne receiver IC is designed for applications in

the European 433 MHz industrial-scientific-medical (ISM) band, according to the EN 300 220

telecommunications standard. It can also be used for any other system with carrier frequencies ranging from

260 MHz to 510 MHz (e.g. for applications according to FCC part 15 and ARIB STD-T67).

VEE_RO

RO

ENRX

VEE_LNA

IN_LNA

VCC_LNA

LF

VCC_PLL

OUT_IFA

FBC1

FBC2

IN_IFA

VEE_IF

OUT_MIX2

VCC_IF

1

32

8

9

24

25

TH71102

17

16