TH71101ENE-CAA-000RE(2017) Ver la hoja de datos (PDF) - Melexis Microelectronic Systems
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TH71101ENE-CAA-000RE Datasheet PDF : 20 Pages
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TH71101
315/433MHz
FSK/ASK Receiver
2. Pin Definitions and Descriptions
Pin No. Name
3 OUT_LNA
31 IN_LNA
1 VEE_LNAC
I/O Type
analog
output
analog
input
ground
Functional Schematic
OUT_LNA
3
5k
IN_LNA
31
VEE_LNAC
1
Description
LNA open-collector output, to
be connected to external LC
tank that resonates at RF
LNA input, approx.
26 single-ended
ground of LNA core (cascode)
2 GAIN_LNA analog
input
GAIN_LNA
2
400
LNA gain control
(input with hysteresis)
RX standby: no pull-up
RX active: pull-up
4 IN_MIX1
analog
input
13
IN_MIX1
MIX1 input, approx. 33
single-ended
4
13
500µA
5 VEE_MIX
ground
ground of MIX1 and MIX2
6 IF1P
analog I/O
IF1P
6
VCC
20p
20p
open-collector output, to be
IF1N connected to external LC tank
7 that resonates at first IF
7 IF1N
analog I/O
VEE
2x500µA
VEE
open-collector output, to be
connected to external LC tank
that resonates at first IF
8 VCC_MIX
supply
positive supply of
MIX1 and MIX2
9 OUT_MIX2 analog
MIX2 output, approx. 330
output
6.8k
output impedance
OUT_MIX2
130
9
230µA
10 VEE_IF
ground
ground of IFA and DEMOD
REVISION 018 - JUNE 29, 2017
3901071101
Page 6 of 20
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