ata5773 ATMEL Corporation, ata5773 Datasheet - Page 14
ata5773
Manufacturer Part Number
ata5773
Description
Microcontroller With Uhf Ask/fsk Transmitter
Manufacturer
ATMEL Corporation
Datasheet
1.ATA5773.pdf
(284 pages)
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Part Number:
ATA5773
Manufacturer:
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Quantity:
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Part Number:
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Features
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1. Description
The T5750 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 868 MHz to 928 MHz. It can be used in both FSK and ASK
systems.
Figure 1-1.
Integrated PLL Loop Filter
ESD Protection also at ANT1/ANT2
(4 kV HBM/200V MM; Except Pin 2: 4 kV HBM/100V MM)
High Output Power (5.5 dBm) with Low Supply Current (8.5 mA)
Modulation Scheme ASK/FSK
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 2.0V to 4.0V 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
1 Li cell
Keys
– FSK Modulation is Achieved by Connecting an Additional Capacitor Between the
XTAL Load Capacitor and the Open Drain Output of the Modulating Microcontroller
ATARx9x
Encoder
System Block Diagram
Remote control transmitter
T5750
XTO
UHF ASK/FSK
VCO
LNA
PLL
Antenna
Antenna
T5760/
T5761
LNA
Remote control receiver
Demod
UHF ASK/FSK
VCO
PLL
Control
XTO
1 to 3
controller
Micro-
UHF ASK/FSK
Transmitter
T5750
4546E–RKE–02/07
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