ATA3742P3-TGSY Atmel, ATA3742P3-TGSY Datasheet - Page 2

• Manufacturer Part Number: ATA3742P3-TGSY
• Description: IC UHF ASK/FSK RECEIVER 20SOIC
• Manufacturer: Atmel

Specifications of ATA3742P3-TGSY

• Frequency: 310MHz ~ 440MHz
• Sensitivity: -108dBm
• Data Rate - Maximum: 10 kBaud
• Modulation Or Protocol: ASK, FSK
• Applications: RKE, TPM, Security Systems
• Current - Receiving: 7mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 20-SOIC (0.300", 7.50mm Width)
• Operating Frequency (max): 450000kHz
• Operating Temperature (min): -40C
• Operating Temperature (max): 105C
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Memory Size: -
• Lead Free Status / Rohs Status: Compliant

Figure 1-1.
Figure 1-2.
2
1 Li cell
Keys
ATA3742
ATARx9x
Encoder
System Block Diagram
Block Diagram
FSK/ASK
LNAGND
MIXVCC
LNA_IN
CDEM
DGND
AGND
SENS
AVCC
RSSI
Remote control transmitter
U2741B
XTO
UHF ASK/FSK
LNA
Power
RSSI
VCO
amp.
PLL
and Data Filter
Demodulator
4th Order
FSK/ASK
IF Amp
IF Amp
3 MHz
3 MHz
LPF
LPF
Antenna
Limiter out
Dem_out
Sensitivity
reduction
Antenna
f
VCO
:64
Standby
ATA3742
Logic
FE
Polling circuit
control logic
LNA
and
Remote control receiver
XTO
Demod
CLK
UHF ASK/FSK
50 k
VCO
PLL
V
S
DATA
ENABLE
TEST
MODE
DVCC
LFGND
LFVCC
XTO
LF
Control
XTO
1 to 3
4900B–RKE–11/07
controller
Micro-