TH71111
868/915MHz
FSK/FM/ASK Receiver
Pin No.
Name
IN_IFA
I/O Type
Functional Schematic
Description
VCC
VCC
11
analog
input
IFA input, approx. 2.2kΩ
input impedance
IN_IFA
11
FBC1
12
12
13
FBC1
FBC2
analog I/O
analog I/O
to be connected to external
IFA feedback capacitor
VEE
VCC
2.2k
2.2k
200µA
VEE
FBC2
13
VEE
to be connected to external
IFA feedback capacitor
VEE
14
15
VCC_IF
supply
positive supply of
IFA and DEMOD
OUT_IFA
analog I/O
IFA output and MIX3 input
(of DEMOD)
OUT_IFA
15
40µA
16
IN_DEM
analog
input
DEMOD input, to MIX3 core
47k
IN_DEM
16
17
18
VCC_BIAS supply
positive supply of general
bias system and OA
OUT_OA
analog
output
OA output, 40uA current
drive capability
OUT_OA
18
50Ω
19
20
OAN
OAP
analog
input
negative OA input
20µA
OAN
19
OAP
20
50Ω
50Ω
analog
input
positive OA input
39010 71111
Rev. 013
Page 7 of 22
Data Sheet
June/07
MELEXIS [ Melexis Microelectronic Systems ]
