Features: • Wake-up Function for a Microcontroller with Preamble Detection• 1 mVrms Sensitivity• 1 A Standby Current• Power Supply: 2 V to 3.8 V• Baud Rate: up to 4 kbps (ASK Modulation)• Operation Temperature: up to 125°C• Withstands +175°C• Few Ext...
ATA5283: Features: • Wake-up Function for a Microcontroller with Preamble Detection• 1 mVrms Sensitivity• 1 A Standby Current• Power Supply: 2 V to 3.8 V• Baud Rate: up to 4 kbp...
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| Parameter |
Symbol |
Value |
Unit |
| Power supply |
VDD |
-0.3 to +6.5 |
V |
| Input voltage (except coil inputs) |
VIN |
VSS - 0.3 < VIN < VDD + 0.3 |
V |
| Input current coil |
ICI |
±10 |
mA |
| Input voltage coil |
VCI |
VDD - 3.5 < VCI < VDD + 3.5 |
V |
| ESD protection (human body) |
VESD |
4 |
kV |
| Operating temperature range |
Tamb |
-40 to +125 |
|
| Withstanding 175°C |
tTEMP |
30 |
min. |
| Storage temperature range |
Tstg |
-40 to +150 |
|
| Soldering temperature |
Tsld |
260 |
The ATA5283 is a 125 kHz ultra-low power receiver used for the wake-up function of Tire Pressure Monitoring (TPM) application. The sensitive input stage of the IC amplifies and demodulates the carrier signal from the antenna coil to a digital output signal for a microcontroller. During the standby mode the preamble detection unit monitors he incoming signal and activates the wake-up output and the data output, if the IC receives a proper 125 kHz carrier signal.
By combining the ATA5283 with an antenna coil, a microcontroller, an RF transmitter/transceiver,a battery, temperature- and pressure sensor, it is possible to design a complete Tire Pressure Monitoring system (TPM).