TH7110 Datasheet, PDF (5/20 Pages) List of Unclassifed Manufacturers – 315/433MHz FSK/FM/ASK Receiver

TH7110
315/433MHz
FSK/FM/ASK Receiver
Pin Definition and Description
Pin No. Name
1 VREF
I/O Type
analog
output
Functional Schematic
VREF
1
60k
Description
reference voltage output,
approx. 1.23V
4 OUT_LNA analog
output
42 IN_LNA
analog
input
2 VEE_LNAC ground
3 GAIN_LNA analog
input
5k
IN_LNA
42
GAIN_LNA
3
400Ω
OUT_LNA
4
VEE_LNAC
2
LNA open-collector output,
to be connected to external
LC tank that resonates at RF
LNA input,
approx. 26Ω single-ended
ground of LNA core
(cascode)
LNA gain control (CMOS
input with hysteresis)
5 VEE_LNA ground
6 IN_MIX1
analog
input
IN_MIX1
6
7 CAP_MIX1 analog I/O
CAP_MIX1
7
LNA biasing ground
MIX1 input, approx. 33Ω
13Ω
single-ended
13Ω
500µA
40µA
330Ω
connection for MIX1
blocking capacitor
8 VEE_MIX1 ground
9 IF1P
10 IF1N
analog I/O
IF1P
9
analog I/O
VCC
20p
20p
VEE
2x500µA
VEE
MIX1 ground
open-collector output, to be
IF1N connected to external LC
tank that resonates at first IF
10
open-collector output, to be
connected to external LC
tank that resonates at first IF
TH7110 Data Sheet
3901007110
Page 5 of 20
Nov. 2001
Rev. 005