T5754-6AQ

T5754-6AQ Datasheet


T5754

Part Datasheet
T5754-6AQ T5754-6AQ T5754-6AQ (pdf)
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• Integrated PLL Loop Filter
• ESD Protection 4 kV HBM/200 V MM Except Pin 2 4 kV HBM/100 V MM also at

ANT1/ANT2
• High Output Power dBm with Low Supply Current mA
• Modulation Scheme ASK/ FSK

FSK Modulation is Achieved by Connecting an Additional Capacitor Between the

XTAL Load Capacitor and the Open Drain Output of the Modulating Microcontroller
• Easy to Design-in Due to Excellent Isolation of the PLL from the PA and Power Supply
• Single Li-cell for Power Supply
• Supply Voltage V to V in the Temperature Range of -40°C to 85°C/125°C
• Package TSSOP8L
• Single-ended Antenna Output with High Efficient Power Amplifier
• CLK Output for Clocking the Microcontroller
• One-chip Solution with Minimum External Circuitry
• 125°C Operation for Tire Pressure Systems

UHF ASK/FSK Transmitter

T5754

The T5754 is a PLL transmitter IC which has been developed for the demands of RF low-cost transmission systems at data rates up to 32 kBaud. The transmitting frequency range is 429 MHz to 439 MHz. It can be used in both FSK and ASK systems.

Microcontroller

Figure System Block Diagram
1 Li cell

Encoder Keys ATARx9x

UHF ASK/FSK Remote control transmitter

UHF ASK/FSK Remote control receiver

T5754

U3741B/ U3745B/ T5743/ T5744

Demod.

Control

Antenna

IF Amp PLL

Power amp.

Pin Configuration

Figure Pinning TSSOP8L

CLK 1 PA_ENABLE 2

ANT2 3

T5754
8 ENABLE 7 GND 6 VS

ANT1 4
5 XTAL

Pin Description

Function

Configuration

Clock output signal for microconroller

The clock output frequency is set by the
crystal to fXTAL/4

PA_ENABLE

Switches on power amplifier, used for ASK modulation

ANT2

Emitter of antenna output stage

ANT1

Open collector antenna output

XTAL
Ordering Information

Extended Type Number T5754-6AQ

Package Information

Package TSSOP8L

Remarks Taped and reeled
10 T5754

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Literature Requests

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Datasheet ID: T5754-6AQ 519409