TH71112
868/915MHz
FSK/ASK Receiver
Pin No.
Name
I/O Type
Functional Schematic
Description
11
IN_IFA
analog
VCC
VCC
IFA input, approx. 2.2k ?
input
IN_IFA
FBC1
input impedance
12
FBC1
analog I/O
11
VEE
VCC
2.2k
2.2k
12
to be connected to external
IFA feedback capacitor
13
FBC2
analog I/O
FBC2
200μA
VEE
VEE
to be connected to external
13
VEE
IFA feedback capacitor
14
VCC_IF
supply
positive supply of
IFA and DEMOD
15
OUT_IFA
analog I/O
IFA output and MIX3 input
(of DEMOD)
OUT_IFA
15
40μA
16
IN_DEM
analog
input
47k
DEMOD input, to MIX3 core
IN_DEM
16
17
VCC_BIAS
supply
positive supply of general
bias system and OA
18
OUT_OA
analog
output
OUT_OA
50 ?
OA output, 40uA current
drive capability
18
19
OAN
analog
input
20μA
negative OA input
OAN
50 ?
50 ?
OAP
20
OAP
analog
input
19
20
positive OA input
39010 71112
Rev. 016
Page 7 of 20
Data Sheet
Jun/12
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