TH7110 Datasheet, PDF (7/20 Pages) List of Unclassifed Manufacturers – 315/433MHz FSK/FM/ASK Receiver

TH7110
315/433MHz
FSK/FM/ASK Receiver
Pin No. Name
22 IN_MIX2
I/O Type
analog
input
24 VCO2_B
analog
input
23 VCO2_E
analog
output
25 VCC_BIAS supply
26 OUT_OA
analog
output
Functional Schematic
IN_MIX2
22
VCO2_B
840Ω
840Ω
20µA
VCC
VCC
47k
24
VEE
VCC
VCO2_E
23
VEE
OUT_OA
50Ω
26
Description
external LO2 input port of
MIX2, approx. 1kΩ single-
ended
VCO2 input, base of
a bipolar transistor
VCO2 output, emitter of
a bipolar transistor
positive supply of general
bias system and OA
OA output, 40uA current
drive capability
27 OAN
28 OAP
29 RSSI
analog
input
analog
input
analog
output
30 VEE_BIAS ground
OAN
50Ω
27
RSSI
29
20µA
50Ω
50Ω
I (Pi)
negative OA input, input
voltage limited to approx.
0.7 V_pp between pins OAP
OAP ^{and OAN}
positive OA input, input
28 _{voltage limited to approx.}
0.7 V_pp between pins OAP
and OAN
RSSI output, for RSSI and
ASK detection, approx.
36kΩ output impedance
36k
ground for general bias
system and OA
TH7110 Data Sheet
3901007110
Page 7 of 20
Nov. 2001
Rev. 005