th71112 Melexis Company, th71112 Datasheet - Page 7

• Manufacturer Part Number: th71112
• Description: Receiver - 868/915mhz Fsk/ask, Double-conversion Superhet Lqfp32
• Manufacturer: Melexis Company

39010 71112
Rev. 014
Pin No.
11
12
13
14
15
16
17
18
19
20
IN_IFA
FBC1
FBC2
VCC_IF
OUT_IFA
IN_DEM
VCC_BIAS
OUT_OA
OAN
OAP
Name
input
analog I/O
analog I/O
supply
analog I/O
analog
input
supply
analog
output
analog
input
analog
input
analog
I/O Type
OAN
IN_IFA
FBC2
19
11
13
VEE
VCC
OUT_OA
OUT_IFA
IN_DEM
Functional Schematic
18
VCC
15
16
VEE
50
Page 7 of 22
Ω
2.2k
VEE
50
200µA
Ω
20µA
2.2k
47k
40µA
VCC
50
Ω
VEE
FBC1
12
OAP
20
IFA input, approx. 2.2kΩ
input impedance
to be connected to external
IFA feedback capacitor
to be connected to external
IFA feedback capacitor
positive supply of
IFA and DEMOD
IFA output and MIX3 input
(of DEMOD)
DEMOD input, to MIX3 core
positive supply of general
bias system and OA
OA output, 40uA current
drive capability
negative OA input
positive OA input
FSK/ASK Receiver
TH71112
Description
868/915MHz
Data Sheet
April/08