TH7111ENG Melexis Inc, TH7111ENG Datasheet - Page 5
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TH7111ENG
Manufacturer Part Number
TH7111ENG
Description
IC RECEIVER FULL SIZE 44-LQFP
Manufacturer
Melexis Inc
Datasheet
1.TH7111ENG.pdf
(20 pages)
Specifications of TH7111ENG
Rohs Status
RoHS non-compliant
Frequency
800MHz ~ 930MHz
Sensitivity
-109dBm
Data Rate - Maximum
80 kbps
Modulation Or Protocol
ASK, FM, FSK
Applications
Alarm and Security Systems, RKE, TPMS
Current - Receiving
9.2mA
Data Interface
PCB, Surface Mount
Antenna Connector
PCB, Surface Mount
Voltage - Supply
2.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
44-LQFP
Features
-
Memory Size
-
Other names
TH7111
Pin Definition and Description
TH7111 Data Sheet
3901007111
Pin No.
42
10
1
4
2
3
5
6
7
8
9
VREF
OUT_LNA
IN_LNA
VEE_LNAC
GAIN_LNA
VEE_LNA
IN_MIX1
CAP_MIX1
VEE_MIX1
IF1P
IF1N
Name
analog
output
analog
output
analog
input
ground
analog
input
ground
analog
input
analog I/O
ground
analog I/O
analog I/O
I/O Type
IF1P
9
IN_LNA
GAIN_LNA
42
CAP_MIX1
IN_MIX1
6
3
Functional Schematic
VEE
VREF
7
1
Page 5 of 20
20p
2x500µA
5k
400
VCC
13
20p
13
330
60k
VEE
500µA
OUT_LNA
VEE_LNAC
40µA
2
4
IF1N
10
FSK/FM/ASK Receiver
reference voltage output,
approx. 1.23V
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)
LNA gain control (CMOS
input with hysteresis)
LNA biasing ground
MIX1 input, approx. 33
single-ended
connection for MIX1
blocking capacitor
open-collector output, to be
connected to external LC
tank that resonates at first IF
open-collector output, to be
connected to external LC
tank that resonates at first IF
MIX1 ground
Description
TH7111
868/915MHz
Nov. 2001
Rev. 005