TH72016
433MHz
FSK/ASK Transmitter
Features
ꢀ Fully integrated PLL-stabilized VCO
ꢀ Frequency range from 380 MHz to 450 MHz
ꢀ Single-ended RF output
ꢀ FSK through crystal pulling allows modulation
from DC to 40 kbit/s
ꢀ Microcontroller clock output
ꢀ On-chip low voltage detector
ꢀ High over-all frequency accuracy
ꢀ FSK deviation and center frequency
independently adjustable
ꢀ High FSK deviation possible for wideband data
transmission
ꢀ Adjustable output power range from
-12 dBm to +10 dBm
ꢀ ASK achieved by on/off keying of internal
power amplifier up to 40 kbit/s
ꢀ Adjustable current consumption from
3.8 mA to 11.0 mA
ꢀ Wide power supply range from 1.95 V to 5.5 V
ꢀ Very low standby current
ꢀ Conforms to EN 300 220 and similar standards
ꢀ 10-pin quad flat no lead (QFN) package
Ordering Code
Product Code
TH72016
TH72016
Temperature Code
Package Code
Option Code
CAA-000
CAA-000
Packing Form Code
K
K
LD
LD
TU
RE
Legend:
Temperature Code:
Package Code:
Packing Form:
K for Temperature Range -40°C to 125°C
LD for QFN double
RE for Reel, TU for Tube
Ordering example
TH72016KLD-CAA-000-TU
Application Examples
Pin Description
top view
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
Tire Pressure Monitoring System (TPMS)
Remote Keyless Entry (RKE)
Automatic Meter Reading (AMR)
Alarm and security systems
Garage door openers
FSKDTA
FSKSW
ROI
VCC
VEE
OUT
ENTX
CKOUT
CKDIV
PSEL
Home and building automation
Low-power telemetry
Wireless access control
General Description
The TH72016 FSK/ASK transmitter IC is designed for applications in the European 433 MHz industrial-
scientific-medical (ISM) band, according to the EN 300 220 telecommunications standard; but it can also be
used in other countries with similar standards, e.g. FCC part 15.231.
The transmitter's carrier frequency fc is determined by the frequency of the reference crystal fref. The inte-
grated PLL synthesizer ensures that carrier frequencies, ranging from 380 MHz to 450 MHz, can be
achieved. This is done by using a crystal with a reference frequency according to: fref = fc/N, where N = 32 is
the PLL feedback divider ratio.
A clock signal with selectable frequency is provided. It can be used to drive a microcontroller.
39010 72016
Rev. 009
Page 1 of 15
Data Sheet
Jan/12