ATA3741P2-TGQY Atmel, ATA3741P2-TGQY Datasheet - Page 2

• Manufacturer Part Number: ATA3741P2-TGQY
• Description: IC UHF ASK/FSK RECEIVER 20SOIC
• Manufacturer: Atmel

Specifications of ATA3741P2-TGQY

• Frequency: 300MHz ~ 450MHz
• 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)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Memory Size: -
• Other names: ATA3741P2-TGQYTR

Figure 1-1.
Figure 1-2.
2
Keys
ATA3741
1 Li cell
System Block Diagram
Block Diagram
ATARx9x
Encoder
FSK/ASK
LNAGND
MIXVCC
LNA_IN
CDEM
AGND
DGND
SENS
AVCC
Remote control transmitter
U2741B
LNA
XTO
UHF ASK/FSK
RSSI
and data filter
Demodulator
FSK/ASK
4
3 MHz
3 MHz
Power
IF Amp
IF Amp
VCO
th
amp.
PLL
LPF
LPF
Order
Limiter out
Antenna
DEMOD_OUT
Sensitivity
reduction
Antenna
VCO
f
÷ 64
Standby logic
ATR3741
Polling circuit
control logic
FE
LNA
and
XTO
Remote control receiver
Demod
CLK
50 k
UHF ASK/FSK
VCO
V
PLL
S
DATA
ENABLE
TEST
POUT
MODE
DVCC
LFGND
LFVCC
XTO
LF
Control
XTO
1...3
4899B–RKE–10/06