ATA3742P3-TGQY Atmel, ATA3742P3-TGQY Datasheet - Page 18

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

Specifications of ATA3742P3-TGQY

• 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
• Other names: ATA3742P3-TGQYTR

Figure 5-8.
Figure 5-9.
Figure 5-10. Steady L State Limited DATA Output Pattern after Transmission
18
Clock bit check
ATA3742
Enable IC
Bit check
Dem_out
Dem_out
counter
Dem_out
DATA
DATA
Synchronization of the Demodulator Output
Debouncing of the Demodulator Output
DATA
Start-up mode
After the end of data transmission, the receiver remains active and random noise pulses appear
at pin DATA. The edge-to-edge time period t
slightly higher than T
Lim_min
T
XClk
CV_Lim < Lim_max
t
ee
Bit-check mode
DATA_min
CV_Lim < Lim_min or CV_Lim
t
min1
.
t
ee
Receiving mode
t
ee
ee
of the majority of these noise pulses is equal to or
Lim_max
t
min2
t
min2
t
DATA_L_max
4900B–RKE–11/07