TH7110ENG Melexis Inc, TH7110ENG Datasheet - Page 5

• Manufacturer Part Number: TH7110ENG
• Description: IC RECEIVER 315/433MHZ 44-LQFP
• Manufacturer: Melexis Inc

Specifications of TH7110ENG

• Rohs Status: RoHS non-compliant
• Frequency: 315MHz, 433MHz
• Sensitivity: -111dBm
• Data Rate - Maximum: 80 kbps
• Modulation Or Protocol: ASK, FM, FSK
• Applications: Alarm and Security Systems, RKE, TPMS
• Current - Receiving: 8.2mA
• 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: TH7110

Pin Definition and Description
TH7110 Data Sheet
3901007110
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
TH7110
315/433MHz
Nov. 2001
Rev. 005