Datasheet Melexis TH7122

TH7122
27 to 930MHz
FSK/FM/ASK Transceiver
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 …