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T5760 Datasheet

  • T5760

  • UHF ASK/FSK Receiver

  • 32頁

  • ATMEL   ATMEL

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T5760 / T5761
UHF ASK/FSK Receiver
Description
The T5760/T5761 is a multi-chip PLL receiver device
supplied in an SO20 package. It has been especially de-
veloped for the demands of RF low-cost data transmission
systems with data rates from 1 kBaud to 10 kBaud in
Manchester or Bi-phase code. The receiver is well suited
to operate with the Atmel Wireless & Microcontrollers鈥?/div>
PLL RF transmitter T5750. Its main applications are in
the areas of telemetering, security technology and key-
less-entry systems. It can be used in the frequency
receiving range of f
0
= 868 to 870 MHz or f
0
= 902 to
928 MHz for ASK or FSK data transmission. All the
statements made below refer to 868.3 MHz and
915.0 MHz applications.
Features
D
Fully integrated LC-VCO and PLL loop filter
D
Very high sensitivity with power matched LNA
D
30 dB image rejection
D
High system IIP3 (鈥?6 dBm), system 1-dB compres-
sion point (鈥?5 dBm)
D
High large-signal capability at GSM band (blocking
鈥?0 dBm @ + 20 MHz, IIP3 = 鈥?2 dBm @ + 20 MHz)
D
5 V to 20 V automotive compatible data interface
D
Data clock available for Manchester- and Bi-phase-
coded signals
D
Programmable digital noise suppresion
D
Receiving bandwidth B
IF
= 600 kHz for low cost
90-ppm crystals
D
Low power consumption due to configurable polling
D
Temperature range 鈥?0擄C to 105擄C
D
ESD protection 2 kV HBM, 200 V MM
D
Communication to
mC
possible via a single
bi-directional data line
D
Low-cost solution due to high integration level with
minimum external circuitry requirements
System Block Diagram
UHF ASK/FSK
Remote control transmitter
UHF ASK/FSK
Remote control receiver
T5750
XTO
PLL
T5760/
T5761
Demod.
Control
1...5
mC
IF Amp
Antenna
VCO
Antenna
PLL
XTO
Power
amp.
LNA
VCO
Figure 1. System block diagram
Ordering Information
Extended Type Number
T5760-TG
T5760-TGQ
T5761-TG
T5761-TGQ
Package
SO20
SO20
SO20
SO20
Remarks
Tube, for 868 MHz ISM band
Taped and reeled, for 868 MHz ISM band
Tube, for 915 MHz ISM band
Taped and reeled, for 915 MHz ISM band
Rev. A2, 19-Oct-00
1 (32)
Preliminary Information

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