Atmel ATA6286 - Manual (Page 3)

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Ultra Low-Power Microcontroller Transmitter
ICs ATA6285/ATA6286 for Sensor Gauges
Transparent RF Receiver ICs ATA5745/ATA5746
for Combined RKE/TPMS Car Modules
Transmitter ICs ATA5756/ATA5757
LF Receiver IC ATA5283 LF Antenna Driver IC ATA5276
Highly Flexible RF Transmitter IC ATA5749
for Single Board Design
 Cutting Edge for Sleep Mode Current: 1.2 µA at
85ºC with Active Interval Timer
 ATA6285: 315 MHz, ATA6286: 433 MHz
 8 Kbytes In-system Self-programmable Flash
and 320 Bytes EEPROM
 Lowest Current Consumption (0.6 µA Sleep
Mode, 200 µA Measurement Mode)
 Integrates the Transmitter IC ATA5756/ATA5757
with a Dedicated 8-bit AVR Flash Microcontroller
Providing Capacitive Sensor Interface, LF Chan-
nel, Temperature Sensor, and 90-kHz Slow-os-
cillation Mode
 QFN32 Package (5 mm × 5 mm)
 ATA5745: 433 MHz, ATA5746: 315 MHz
 Extremely Fast Switching Rate Between RKE
and TPMS Signals: <1 ms (Typically)
 High System Sensitivity and Selectivity Can Be
Achieved Even with a Low Number of External
Components
 Polling Mode and Bit Check Carried Out by Exter-
nal Firmware
 ATA5756: 315 MHz (North America), ATA5757:
433 MHz (Europe) and 448 MHz (Korea)
 Settling Time <0.85 ms Typically and Reduced Ac-
tive Current Consumption for Extended Lifetime
 3-Wire Bus Interface
 World’s Smallest Standalone LF Receiver IC for
125ºC/257ºF Systems (TSSOP8 Package)
 Ultra Low Current Consumption (1.3 µA in Listen-
ing Mode with Sensitivity of 1 mV (Typically)
 Built-in Digital AGC to Amplify Input Signal from
the Coil
 1.5-A
PP
Antenna Driver for 125-kHz Operation
 Frequency Self-tuning to the LF Antenna Reso-
nance Frequency
 Built-in Diagnosis Function
 Operation Temp –40ºC/F to +105ºC/221ºF
 315/433 MHz Operation in ASK/FSK Modula-
tion with Single 13 MHz Crystal
 Fully Integrated Fractional –N PLL
 –0.5 dBm to 12.5 dBm Scalable Using Output
Power Programming
 Active Current Consumption 7.3 mA at 5.5 dBm
 RF Frequency Channelling
 Data Rate up to 40 Kb/s (Manchester)
 Very Fast Crystal Oscillation Start-up Time
(200 µm)
 Supply Voltage 1.9 to 3.6V
 TSSOP10