TH71111 Datasheet, PDF (1/22 Pages) Melexis Microelectronic Systems – 868/915MHz FSK/FM/ASK Receiver

TH71111
868/915MHz
FSK/FM/ASK Receiver
! Single-conversion superhet architecture for low external component count
! 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 No.
Part Number
TH71111
Temperature Code
Temperature Code
Package Code
E (-40 °C to 85 °C)
NE (LQFP32)
Package Code
Delivery Form
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
VEE_RO
RO
VCC_PLL
ENRX
LF
VEE_LNA
IN_LNA
VCC_LNA
24
25
17
16
TH71111
32
9
1
8
OUT_IFA
VCC_IF
FBC2
FBC1
IN_IFA
VEE_IF
OUT_MIX2
General Description
The TH71111 FSK/FM/ASK single-conversion superheterodyne receiver IC is designed for applications in
the European 868 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
800 MHz to 930 MHz (e.g. for applications according to FCC part 15).
39010 71111
Rev. 013
Page 1 of 22
Data Sheet
June/07