ATA8402 ATMEL Corporation, ATA8402 Datasheet

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ATA8402

Manufacturer Part Number
ATA8402
Description
Manufacturer
ATMEL Corporation
Datasheet
Features
Applications
1. Description
The ATA8402 is a PLL transmitter IC, which has been developed for the demands of
RF low-cost transmission systems for industrial applications at data rates up to
50 kBaud ASK and 32 kBaud FSK modulation scheme. The transmitting frequency
range is 429 MHz to 439 MHz. It can be used in both FSK and ASK systems.
Figure 1-1.
Integrated PLL Loop Filter
ESD Protection (4 kV HBM/200V MM; Except Pin 2: 4 kV HBM/100V MM) also at
ANT1/ANT2
High Output Power (7.5 dBm) with Low Supply Current (9.0 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
Package TSSOP8L
Single-ended Antenna Output with High Efficient Power Amplifier
CLK Output for Clocking the Microcontroller
One-chip Solution with Minimum External Circuitry
Industrial/Aftermarket Remote Keyless Entry Systems
Alarm, Telemetering, and Energy Metering Systems
Remote Control Systems for Consumer and Industrial Markets
Access Control Systems
Home Automation
Home Entertainment
Toys
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
ATA8402
XTO
UHF ASK/FSK
Power
VCO
amp.
PLL
Antenna
Antenna
ATA3741/
ATA3745/
ATA5743/
ATA5744
ATA8202
LNA
Remote control receiver
Demod
UHF ASK/FSK
VCO
PLL
Control
XTO
1 to 3
controller
Micro-
UHF ASK/FSK
Industrial
Transmitter
ATA8402
4982A–IND–02/07

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