TH71081EDC Melexis Inc, TH71081EDC Datasheet - Page 4

• Manufacturer Part Number: TH71081EDC
• Description: IC XMITTER/LO SOURCE 8-SOIC
• Manufacturer: Melexis Inc

Specifications of TH71081EDC

• Rohs Status: RoHS non-compliant
• Frequency: 800MHz ~ 930MHz
• Applications: Alarm and Security Systems, RKE
• Modulation Or Protocol: ASK
• Data Rate - Maximum: 40 kbps
• Power - Output: -15dBm ~ -1dBm
• Current - Transmitting: 6.2mA ~ 12.5mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 2.2 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Features: -
• Memory Size: -
• Other names: TH71081

Pin Definition and Description
3901071081
Rev. 004
Pin No.
1
2
3
4
5
6
7
8
LF
RO
ENTX
PS/DATA
VCC
OUT2
OUT1
VEE
Name
analog I/O
analog I/O
input
analog I/O
supply
output
output
ground
I/O Type
OUT2
6
VEE
LF
1
ENTX
3
PS/DATA
Functional Schematic
VCC
RO1
2
4
Page 4 of 10
200
1.1k
28p
28p
37k
200
VEE
200
ASK Transmitter / LO Source
20µA
VCC
VEE
5p
OUT1
7
positive power supply
connection to loop filter,
charge pump output,
VCO tuning input
XOSC connection to XTAL,
Colpitts type crystal
oscillator
mode control input, CMOS-
compatible with internal
pull-down
power-select and ASK input,
high-impedance comparator
logic
differential power amplifier
output, open collector
differential power amplifier
output, open collector
negative power supply
TH71081
Description
868/915MHz
Data Sheet
Dec. 2001