TH7111ENG Melexis Inc, TH7111ENG Datasheet - Page 8

• 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.
31
32
33
34
35
36
37
44
38
39
40
41
43
OUTP
OUTN
VEE_PLL
VEE_RO
RO
VCC_PLL
ENRX
ENRO
LF1
LF2
VEE_VCO1 ground
VEE_LNA
VCC_LNA
Name
analog
output
analog
output
ground
ground
analog
input
supply
digital
input
digital
input
analog
output
analog
input
ground
supply
I/O Type
ENRO
ENRX
OUTN
OUTP
37
44
31
32
LF1
LF2
Functional Schematic
38
39
RO
35
1.5k
Page 8 of 20
50
30p
20µA
30p
400
50k
200
4p
20µA
FSK/FM/ASK Receiver
FSK/FM positive output,
output impedance of
100k
FSK/FM negative output,
output impedance of
100k
ground of dividers and PFD
RO input, Colpitts type
oscillator with internal feed-
back capacitors
positive supply of RO, DIV,
PFD and charge pump
mode control input
(CMOS input)
mode control input
(CMOS input)
charge pump output
VCO1 control input
pump
ground of LNA biasing
positive supply of LNA
biasing
RO ground
ground of VCO1 and charge
to 300k
to 300k
Description
TH7111
868/915MHz
Nov. 2001
Rev. 005