T5743P6-TGS

T5743P6-TGS Datasheet


UHF ASK/FSK Receiver T5743

Part Datasheet
T5743P6-TGS T5743P6-TGS T5743P6-TGS (pdf)
Related Parts Information
T5743P3-TGQ T5743P3-TGQ T5743P3-TGQ
T5743P3-TGS T5743P3-TGS T5743P3-TGS
T5743P6-TGQ T5743P6-TGQ T5743P6-TGQ
PDF Datasheet Preview
• Two Different IF Receiving Bandwidth Versions Are Available BIF = 300 kHz or 600 kHz
• 5 V to 20 V Automotive Compatible Data Interface
• IC Condition Indicator, Sleep or Active Mode
• Low Power Consumption Due to Configurable Self Polling with a Programmable

Timeframe Check
• High Sensitivity, Especially at Low Data Rates
• Data Clock Available for Manchester- and Bi-phase-coded Signals
• Minimal External Circuitry Requirements, no RF Components on the PC Board Except

Matching to the Receiver Antenna
• Sensitivity Reduction Possible Even While Receiving
• Fully Integrated VCO
• SO20 Package
• Supply Voltage V to V, Operating Temperature Range -40°C to +105°C
• Single-ended RF Input for Easy Adaptation to λ/4 Antenna or Printed Antenna on PCB
• Low-cost Solution Due to High Integration Level
• ESD Protection According to MIL-STD. 883 4KV HBM
• High Image Frequency Suppression Due to 1 MHz IF in Conjunction with a SAW Front-
end Filter. Up to 40 dB is Thereby Achievable With State-of-the-art SAWs.
• Communication to Microcontroller Possible Via a Single, Bi-directional Data Line
• Power Management Polling Is Also Possible by Means of a Separate Pin Via the

Microcontroller
• Programmable Digital Noise Suppression

UHF ASK/FSK Receiver T5743

The T5743 is a multi-chip PLL receiver device supplied in an SO20 package. It has been especially developed 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 Atmel's PLL RF transmitter U2741B. Its main applications are in the areas of telemetering, security technology and keyless-entry systems. It can be used in the frequency receiving range of f0 = 300 MHz to 450 MHz for ASK or FSK data transmission. All the statements made below refer to MHz and 315 MHz applications.

System Block Diagram

Figure System Block Diagram

UHF ASK/FSK Remote control transmitter

U2741B

PLL VCO

Antenna

Power amp.

T5743

UHF ASK/FSK Remote control receiver

Demod.

Control

Antenna

IF Amp PLL

Pin Configuration

Figure Pinning SO20

SENS 1 IC_ACTIVE 2

CDEM 3 AVCC 4 TEST 5 AGND 6 MIXVCC 7 LNAGND 8 LNA_IN 9
n.c. 10

T5743
20 DATA 19 POLLING/_ON 18 DGND 17 DATA_CLK 16 MODE 15 DVCC 14 XTO 13 LFGND 12 LF 11 LFVCC

Pin Description

SENS

IC_ACTIVE

CDEM

AVCC

TEST

AGND

MIXVCC

LNAGND

LNA_IN
n.c.

LFVCC

LFGND
2 T5743
Ordering Information

Extended Type Number T5743P3-TG T5743P3-TGQ T5743P6-TG T5743P6-TGQ

Package SO20

Remarks Tube, IF bandwidth of 300 kHz Taped and reeled, IF bandwidth of 300 kHz Tube, IF bandwidth of 600 kHz Taped and reeled, IF bandwidth of 600 kHz

Package Information

Package SO20

Dimensions in mm
technical drawings according to DIN specifications
40 T5743

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Datasheet ID: T5743P6-TGS 519405