TH7111ENG Melexis Inc, TH7111ENG Datasheet - Page 6

• Manufacturer Part Number: TH7111ENG
• Description: IC RECEIVER FULL SIZE 44-LQFP
• Manufacturer: Melexis Inc

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

TH7111 Data Sheet
3901007111
Pin No.
11
12
13
14
15
16
17
18
19
20
21
VCC_MIX1
VCC_MIX2
OUT_MIX2
VEE_IF
IN_IFA
FBC1
FBC2
VCC_IF
OUT_IFA
IN_DEM
SW_MIX2
Name
supply
supply
analog
output
ground
analog
input
analog I/O
analog I/O
supply
analog I/O
analog
input
digital
input
I/O Type
IN_IFA
FBC2
OUT_MIX2
15
17
VEE
VCC
SW_MIX2
OUT_IFA
13
IN_DEM
Functional Schematic
21
19
20
VCC
VEE
Page 6 of 20
2.2k
130
VEE
400
200µA
2.2k
47k
40µA
VCC
230µA
VEE
6.8k
FBC1
16
FSK/FM/ASK Receiver
MIX1 positive supply
MIX2 positive supply
MIX2 output, approx. 330
output impedance
DEMOD
IFA input, approx. 2.2k
input impedance
to be connected to external
IFA feedback capacitor
to be connected to external
IFA feedback capacitor
positive supply for IFA,
DEMOD and VCO2
IFA output and MIX3 input
(of DEMOD)
DEMOD input, to MIX3 core
input selection for LO2 input
port of MIX2
ground of MIX2, IFA and
Description
TH7111
868/915MHz
Nov. 2001
Rev. 005